AI commerce protocols are not all trying to solve the same problem. OpenAI ACP vs Google UCP is a useful comparison because it separates decision-making from transaction execution. As agentic commerce evolves, new protocols are emerging to address the unique challenges of AI-driven ecommerce, and there is a growing need for an open standard to ensure interoperability between agents, systems, and services. If you run ecommerce operations, that distinction matters more than the branding, because it determines where your systems will need to integrate and what you can expect to control.

The confusion happens because both protocols sit under the umbrella of agentic commerce, and both are described as enabling AI agents to buy things. But they operate at different layers of the commerce lifecycle. ACP focuses on enabling an AI assistant to act as the shopping interface and coordinate purchasing decisions with merchants. UCP focuses on creating a common language for checkout flows so consumer surfaces can execute transactions reliably across many retailers, payment providers, and business backends. There are real differences between ACP and UCP in terms of their underlying philosophies, ecosystems, and control mechanisms, which can significantly impact which protocol best aligns with a merchant’s strategy. Once you see the layering, the “protocol wars” framing becomes less useful. These are not mutually exclusive building blocks. They can coexist in the same shopping journey.

Despite their architectural differences, both protocols share the same goal: enabling secure, tokenized payments efficiently and reliably within agent-driven retail environments.

What is OpenAI’s Agentic Commerce Protocol (ACP)?

OpenAI’s ACP, or OpenAI’s Agentic Commerce Protocol, is a protocol shaped around the idea that an AI assistant can guide a user through product discovery, selection, and delegated purchase actions. OpenAI’s ACP is an open, cross-platform protocol released under the Apache 2.0 license, allowing businesses to implement the specification for any AI assistant or payment processor. Launched in September 2025, ACP powers ‘ChatGPT Instant Checkout’, enabling seamless transactions directly within ChatGPT. ACP is primarily concerned with enabling AI agents to do three things cleanly:

• Retrieve structured product data so the agent can recommend items without guessing
• Confirm user intent and finalize what is being purchased
• Send an order and payment authorization to the merchant in a way that is secure and bounded

Merchants using ACP must support high-quality, structured product data, product feeds, endpoints, and webhooks to enable agent-initiated checkout and agentic payments. ACP is designed for broad adoption, independent of any single user interface, platform, or distribution surface.

The key concept is the agent as the interface. ACP assumes the user is inside an AI assistant experience, and the assistant is actively participating in the buyer journey. That includes conversational discovery, comparisons, and narrowing options. In that world, the protocol is a way to translate the agent’s “decision” into an executable order that a merchant can fulfill.

For merchants, ACP is essentially a way to accept orders that originate from an AI agent while preserving the merchant’s core responsibilities: pricing, inventory truth, order management, fulfillment, returns, and post-purchase support. ACP is not a marketplace model where the agent becomes the seller. It is a protocol for agent mediated ordering.

What is Google’s Universal Commerce Protocol (UCP)?

Universal Commerce Protocol is Google’s answer to the challenge of standardizing checkout and transaction execution across many consumer surfaces and merchant systems. UCP is primarily concerned with making the act of completing checkout less bespoke across the commerce ecosystem.

UCP is implemented within Google-owned surfaces, including Search AI Mode, the Gemini App, and Google Shopping. Google AI Mode plays a key role in enhancing product discoverability and visibility in these AI-powered environments. UCP is built on Merchant Center feeds and schemas, making it structured data-first and optimized for AI-enhanced discovery inside Google surfaces.

In practical terms, UCP is designed to create a common language between:

• Consumer surfaces such as search, shopping, and AI mode experiences
• Merchants and their business logic systems
• Payment providers and payment authorization flows
• Order management and status updates

UCP is compatible with existing protocols, including Google’s own Agent Payments Protocol (AP2), and was announced in January 2026. Merchants can customize their UCP integration and declare which payment methods they support, benefiting from reduced checkout friction. The model context protocol is also part of this open standard approach, enabling seamless shopping experiences across Google’s platforms.

Launch partners such as Lowe’s, Michaels, Poshmark, and Reebok have been early collaborators in deploying Google’s AI shopping assistants, helping to integrate UCP within Google Search and related surfaces.

The key concept is interoperability. UCP is not primarily about an agent making taste-based recommendations. It is about reliably completing checkout across different retailers and reducing integration complexity. It sits closer to the transaction layer than the preference formation layer.

For operators, UCP reads like a standardization effort that tries to make “complete checkout” and “complete transactions” consistent across platforms, rather than forcing every merchant to build a custom integration for every surface.

ACP is centered on the decision layer

When people say ACP is designed for AI agents making purchasing decisions, they are usually pointing to the workflow ACP prioritizes:

• The user expresses intent in an AI assistant
• The AI assistant discovers products using structured product data and user intent
• The AI assistant helps the user choose and confirms the purchase
• The AI assistant triggers a delegated payment and transmits an order to the merchant

ACP preserves merchant control over pricing, inventory, and fulfillment throughout this process, allowing merchants to maintain autonomy over their operations.

In other words, ACP optimizes the handoff from “the agent decided this is what you want” to “the merchant can now fulfill it.” It is closer to commerce discovery and conversational discovery than to generic payment rails. Structured product data is crucial here, as AI agents prioritize it over traditional SEO factors when making recommendations. Merchants should optimize their product data for agent consumption to improve visibility in AI-driven shopping. Agentic commerce opens new ways to connect with high-intent shoppers.

UCP is centered on the execution layer

When people say UCP focuses on standardizing checkout, they are usually pointing to the workflow UCP prioritizes:

• A consumer surface identifies a high intent shopper
• The surface needs to execute checkout with minimal friction
• The surface needs a consistent way to communicate with merchants and payment methods
• The merchant needs to execute order creation and update status through a standardized interface

UCP operates within a walled garden – a controlled, closed ecosystem tightly integrated with Google-owned platforms. Aggregator platforms may benefit from UCP’s omnichannel integration and the ability to leverage Google Shopping data.

In other words, UCP optimizes the handoff from “the user is ready to buy” to “the transaction is executed correctly across different merchants.” It is closer to the transaction data layer than to preference formation.

A simple mental model: who is the product interface?

A useful way to compare OpenAI ACP vs Google UCP is to ask: who owns the shopping interface at the moment of selection?

• With ACP, the AI assistant is explicitly the shopping interface. The user is talking to an agent. The agent is selecting products to show and guiding the decision. High-quality product feeds are essential for accurate product selection by AI agents.
• With UCP, the consumer surface is the shopping interface. The surface may have AI assistants embedded, but the core emphasis is that the surface can execute a purchase across many merchants consistently.

This is why the protocols can coexist. The agent can be where the user decides, and a standardized transaction protocol can be how the purchase is executed. Merchants need to prepare for both ACP and UCP, as they represent different demand channels in agentic commerce.

Discovery and consideration

ACP is more directly tied to discovery because it assumes the agent is helping the user discover products. That pulls in requirements around structured product data, product schema, and merchant feeds. Merchants should monitor product visibility, not just brand mentions, to understand their performance in AI shopping. It’s important for merchants to track product visibility across AI shopping surfaces, as the brands that win in agentic commerce will be those visible to AI agents during the discovery phase.

UCP can participate in discovery, but its clearer value is enabling commerce surfaces to transact. UCP is often discussed alongside consumer surfaces like search and shopping where high intent shoppers are already in motion.

Checkout and payment authorization

UCP is explicitly concerned with checkout execution and payment authorization across platforms and payment providers. If you think about the complexity of payment methods, fraud controls, tax calculations, and multi-item carts, this is where standardization offers real leverage.

ACP also deals with payment authorization, but typically through a delegated payments approach that keeps the user in control while letting the agent complete checkout. ACP’s payment posture is designed to be secure and bounded to the user’s intent.

Order management and post purchase support

UCP tends to extend naturally into order management, status updates, and post purchase support because a consistent transaction protocol often needs a consistent way to handle order state.

ACP can still support post purchase, but its defining feature is the agent driven decision and purchase initiation. The merchant still owns fulfillment and customer experience after the order is placed.

Transport and interoperability: how ACP and UCP connect with existing systems

When it comes to enabling agentic commerce at scale, the way protocols connect with existing systems – known as transport and interoperability – can make or break adoption. Both the universal commerce protocol (UCP) and agentic commerce protocol (ACP) are designed to let AI agents interact with merchants, products, and payments, but they take different technical paths to get there.

OpenAI’s Agentic Commerce Protocol (ACP) keeps things simple by relying exclusively on REST APIs for communication. This approach is familiar to most digital commerce teams and makes it straightforward to plug ACP into existing ecommerce stacks. For merchants and developers, this means less time spent wrestling with new integration patterns and more focus on providing clean product data and supporting agentic commerce. However, the REST-only approach can be limiting for organizations with more complex or modern architectures that might prefer gRPC or GraphQL for efficiency or flexibility.

Google’s Universal Commerce Protocol (UCP), on the other hand, is built for maximum adaptability. UCP supports multiple transport methods – including REST, gRPC, and GraphQL – so it can fit into a wider range of merchant and platform environments. This flexibility is especially valuable for larger retailers or platforms with diverse technical resources and legacy systems. The trade-off is that supporting multiple protocols can add complexity to implementation and ongoing maintenance, especially for teams less familiar with these technologies.

On the interoperability front, both protocols are designed to create a common language for commerce. ACP’s delegated payments system enables secure, tokenized transactions initiated by AI assistants, while UCP’s Agent Payments Protocol standardizes payment authorization and security across Google Pay, payment networks, and merchant systems. This ensures that, whether a user is checking out via an AI assistant or through Google Shopping, payment flows remain secure and consistent.

Structured data is another cornerstone of both protocols. ACP leans on product schema and structured product data to help AI agents understand and recommend products accurately, supporting robust commerce discovery and user intent matching. UCP leverages Google Merchant Center feeds, allowing merchants to provide detailed, up-to-date product information that powers Google Search, Google Shopping, and AI mode experiences. This structured approach is critical for AI shopping, as it ensures that product discovery and instant checkout are based on reliable, real-time data.

The visibility layer – how AI agents and surfaces discover and interact with merchants – also differs. ACP’s open web model allows AI assistants to discover products and merchants across the entire web, supporting a broad, decentralized approach to commerce discovery. In contrast, UCP’s integration with Google Search, Merchant Center, and the Gemini app creates a more curated, structured experience, where merchants can control how their products appear across Google’s AI surfaces and shopping journeys.

Ultimately, both the agentic commerce protocol and universal commerce protocol are designed to support the full commerce lifecycle, from product discovery to payment authorization and post-purchase support. The choice between them often comes down to your technical environment and strategic priorities: ACP offers simplicity and a direct path for AI assistants to interact with merchants, while UCP provides flexibility and deep integration with Google’s commerce ecosystem.

For merchants and developers, the key is to ensure your systems are ready to provide structured data, support secure payment flows, and integrate with the visibility layers that matter most for your audience. By understanding the transport and interoperability differences between ACP and UCP, you can make informed decisions about how to support agentic commerce and stay ahead in the evolving world of digital commerce.

Practical implications for ecommerce operators

If you are deciding where to invest attention, separate the integration problem from the operating problem.

Your product data becomes more critical, regardless of protocol

Both protocols depend on the merchant’s ability to provide accurate product data. In the AI shopping context, poor product data becomes a decision-quality problem, not just a listing quality problem. That includes:

• Consistent attributes and variation handling so the agent does not confuse options
• Accurate pricing, promotions, and availability
• Clear fulfillment promises and return policies

Shopify merchants, in particular, face unique analytics and attribution challenges when preparing for protocol pluralism and supporting high-quality product feeds. Addressing these challenges is essential to ensure accurate representation and performance tracking across multiple AI shopping protocols.

If your catalog is messy, the agent layer will make messy decisions. If your catalog is clean, agents and surfaces can represent you accurately.

Your fulfillment and post purchase execution still determines retention

Neither protocol fulfills orders for you. Operations leaders should treat these protocols as additional order sources, not as operational outsourcing. Your differentiation surface remains execution:

• Availability and inventory accuracy
• Fulfillment speed and reliability
• Exception handling and customer service throughput
• Returns, refunds, and post purchase trust

If agentic commerce increases the number of orders that happen without a user visiting your site, you will have fewer opportunities to correct misunderstandings. That raises the operational importance of accurate product data and predictable fulfillment.

Your channel mix may shift, but the constraints stay familiar

ACP aligns with the rise of AI assistants as a new discovery channel. For example, when a shopper asks an AI assistant to recommend running shoes, the AI can query product data and facilitate a direct purchase, making it crucial for merchants to optimize for this emerging channel. Merchants must also support product feeds and agent-initiated checkout for OpenAI’s ACP implementation, ensuring seamless order processing.

UCP aligns with large consumer surfaces reducing friction at checkout. If platforms can complete checkout without sending users through fragile handoffs, UCP style workflows change how you should think about conversion rate optimization.

In both cases, the core operator question is the same: can your stack accept orders cleanly and can your operations deliver the promise consistently.

Consider how you will measure performance without overclaiming visibility

Operators often ask what transaction data they receive and what visibility layer they lose. That depends more on the surface than the protocol. Protocols standardize how systems talk. They do not guarantee you will receive rich behavioral context. If the decision happened inside an AI assistant, you may not get the full shopping journey transcript. If the decision happened inside a platform surface, you may get aggregated signals rather than individual level pathing.

That is not a reason to avoid the channel. It is a reason to get comfortable measuring what you can reliably measure: order outcomes, return rates, cancellation drivers, and service performance.

ACP and UCP are not mutually exclusive

This is the most important clarification for reference use.

ACP and UCP can operate in different layers of the same journey:

• A user can discover and decide through an AI assistant using an ACP style interaction.
• The eventual checkout and transaction execution can still benefit from standardized execution patterns that look like UCP.
• A merchant can support both without treating them as a binary choice, because they address different moments in the commerce lifecycle.

In practice, you should expect multiple protocols in the ecosystem. That does not imply fragmentation is fatal. It implies you should design your commerce systems to be modular. A protocol is just a contract for how systems communicate. If your order management and checkout architecture is brittle, every new interface is painful. If it is modular, adding new order sources becomes manageable.

A grounded operator way to decide what matters

The best way to evaluate OpenAI ACP vs Google UCP is to start from your operating reality.

If your business depends on commerce discovery and customer acquisition, ACP matters because it represents the agent layer where discovery and selection happen. It is a new distribution surface for demand.

If your business depends on converting high intent shoppers efficiently, UCP matters because it targets checkout execution across platforms. It is a mechanism for reducing friction at the transaction point.

For most mid-market operators, the correct answer is not “pick one.” The correct answer is:

• Make your product data, inventory truth, and order handling robust enough to plug into both
• Treat each protocol as a potential order source, and focus on operational readiness
• Stay neutral and factual about what each protocol claims to do, and avoid assuming maturity until your partners confirm it for your exact stack

That is how operators avoid getting distracted by branding and stay focused on where AI actually intersects with commerce execution.

Frequently Asked Questions

What is OpenAI ACP?

OpenAI ACP is a protocol designed to let an AI assistant coordinate product discovery and a delegated purchase flow so an AI agent can place an order with a merchant on the user’s behalf.

What is Google UCP?

Google UCP is a protocol designed to standardize checkout and transaction execution across consumer surfaces, merchants, and payment providers using a common commerce language.

What is the main difference between OpenAI ACP vs Google UCP?

ACP is primarily oriented around the agent layer that helps users decide what to buy and then initiates a purchase. UCP is primarily oriented around standardizing how checkout is executed across platforms and merchants.

Do ACP and UCP solve the same problem?

They overlap in enabling AI driven commerce, but they solve different problems. ACP focuses on agent mediated buying decisions and order initiation. UCP focuses on transaction execution standardization and interoperability.

Are ACP and UCP mutually exclusive?

No. ACP and UCP are not mutually exclusive because they can operate in different layers of the same shopping journey, with an agent handling decision-making and a standardized protocol handling checkout execution.

What do ecommerce operators need to change to support these protocols?

Operators should focus on accurate structured product data, inventory truth, reliable order management integration, and fulfillment execution that can meet the promises represented by AI assistants and commerce surfaces.

Do these protocols replace a merchant’s existing checkout and OMS?

No. They are communication standards that connect external surfaces and agents to merchant systems. Merchants still own pricing, inventory, order processing, fulfillment, returns, and post purchase support.

Written By:

Rinaldi Juwono

Rinaldi Juwono leads content and SEO strategy at Cahoot, crafting data-driven insights that help ecommerce brands navigate logistics challenges. He works closely with the product, sales, and operations teams to translate Cahoot’s innovations into actionable strategies merchants can use to grow smarter and leaner.

Merchants are about to transact through AI agents without learning how the decision happened. Universal Commerce Protocol is less about making checkout easier and more about who gets to understand demand. The operational reality is that insight is moving upstream into AI systems, while execution stays with merchants.

Universal Commerce Protocol does not remove optional merchant data as much as it formalizes a deeper shift: merchants lose visibility into how decisions are made, not because of a design flaw, but because modern commerce depends on opaque intermediaries and LLM systems that centralize learning. The real change is not the loss of transparency, but who controls insight and how merchants must operate without it.

Universal Commerce Protocol is a plumbing layer, not the strategy

Universal Commerce Protocol (UCP) is being discussed as a commerce protocol, an agent payments protocol, and a common language that helps AI assistants complete transactions across the commerce ecosystem. The framing often lands on checkout flows: fewer redirects, less integration complexity, easier account linking, smoother payment methods across multiple payment providers, and cleaner order management.

Google’s Universal Commerce Protocol is a new open standard, co-developed with industry leaders such as Shopify, Etsy, Wayfair, Target, and Walmart, and endorsed by over 20 global partners across the ecosystem, including Adyen, American Express, Best Buy, Flipkart, Macy’s, Mastercard, Stripe, The Home Depot, Visa, and Zalando. UCP is an open-source project that invites developers, businesses, and platform architects to contribute and provide feedback. UCP was co-developed to ensure low-lift integration that aligns with existing business logic and is designed to be neutral, vendor-agnostic, and compatible with existing retail infrastructure and protocols like AP2, A2A, and MCP. Its core commerce building blocks and core capabilities include checkout, product discovery, cart management, and post-purchase workflows, serving as the foundation for the next generation of agentic commerce. UCP is designed to collapse the N x N integration bottleneck and keep the full customer relationship front and center for both retailers and customers.

All of that matters, especially for complex checkout flows and business onboarding across existing retail infrastructure. But focusing on checkout misses the operational consequence that matters most to ecommerce founders and operations leaders: UCP makes it normal for a consumer surface to decide, compare, and commit, while the merchant receives only the output.

UCP is designed for agentic commerce: AI agents discover, compare, and complete transactions on behalf of a customer. If that becomes a primary path through google search, google ai mode, the gemini app, google wallet, google pay, or other ai platforms, then the key question is no longer “how do we optimize checkout?” It becomes “who gets to understand preference formation?”

LLM explainability limits are the core constraint, not a protocol oversight

If you are looking for a missing field in UCP that would restore transparency, you are solving the wrong problem.

Limited visibility into decision-making is inherent to LLM systems. Even the AI platforms operating these systems cannot fully reconstruct why a recommendation occurred in a specific instance. The model’s output is produced by high-dimensional internal representations and probabilistic inference, not a human-auditable chain of reasons.

You can sometimes get a plausible narrative explanation, and in some cases you can extract partial signals that correlate with behavior. But that is not the same as knowing why the model selected Product A over Product B at that moment, for that user, given that context.

This is not a fixable protocol oversight. It is a property of how LLMs reason, not a bug merchants can opt out of.

So when merchants ask, “Will UCP remove optional merchant data?” the more accurate question is, “Will we still be able to observe decision-making?” And under agentic commerce, the answer is increasingly no, because the decision-making lives inside opaque intermediaries that are not designed to be interrogated at a granular level.

The real thesis: UCP removes the right to observe decision-making, not just data fields

Most debates get stuck at the data layer: what fields are passed, what product data is shared, how identity linking works, whether loyalty programs can be applied, which business capabilities can be invoked, how secure agentic payments support is implemented, and how verifiable credentials or cryptographic proof might validate a checkout session.

Those details matter. But they are not the core thesis.

The refined thesis is this: UCP removes the right to observe decision-making, not just data fields. The merchant does not just lose a few tracking signals. The merchant loses the feedback loop that makes learning possible.

To make that distinction operational, it helps to separate three things merchants often conflate:

• Data: raw facts you can store, like a purchase, a return, a shipping address, a product type, a customer service ticket, a cart value, or a delivery timestamp.
• Insight: interpreted meaning, like “customers abandon when delivery dates slip” or “size variations in this category create dissatisfaction.”
• Learning: a system’s internal ability to improve future decisions based on experience, including preference formation, ranking, and recommendation behavior.

Analytics and dashboards are mostly insight tooling. They summarize and visualize data so humans can interpret it. Learning is different. Learning is what determines future choices, and in agentic commerce the learning happens inside the agent and the platform surfaces, not inside the merchant.

That is why the loss is not “we lose a dashboard.” Merchants lose feedback loops, not dashboards. You can still have performance reporting. You might still see conversion rates and aggregate search results behavior. What you lose is the capacity to observe the deliberation: which alternatives were evaluated, which tradeoffs mattered, what language the shopper used, and which preference cues drove the final selection.

Historical continuity: merchants have been living through this progression

UCP should not be framed as a disruption. It is continuity.

Commerce has been moving toward opaque intermediaries for decades. The sequence is familiar:

Keyword black boxes in search

Merchants built strategies around google search, only to learn that the most valuable signals were never fully visible. Rankings were opaque. Then more query data disappeared, and merchants learned to operate with proxies.

Marketplaces owning the interface and relationship

Marketplaces made it obvious that customer relationship is mediated. A seller can optimize product variations, parent child relationship structures, and product detail page content, but the marketplace owns the interface. The merchant gets orders, not full context.

Attribution loss through privacy and aggregation

Privacy changes pushed attribution into modeled data and aggregation. The comfort of a fully observable funnel already eroded. Teams adapted by shifting measurement from precision to directionality.

AI owning discovery, comparison, and preference formation

Agentic commerce pushes this one step further. Increasingly, agentic commerce is happening on AI surfaces, such as Google Search AI Mode and the Gemini app. AI assistants do the browsing, the comparison, the narrowing, and the final selection inside a consumer surface. By adopting the Universal Commerce Protocol (UCP), merchants can enable seamless, agentic commerce actions across Google’s AI surfaces, allowing users to complete purchases directly within AI search interfaces without needing to visit external websites. By the time the merchant is involved, the decision is already made.

Final shift: centralized learning with decentralized execution

The platform centralizes learning across the entire commerce ecosystem. Merchants execute: inventory, fulfillment, order fulfillment, post-purchase support, returns, and exception handling. The insight about demand formation is centralized. The operational burden is distributed.

UCP is simply the open standard designed to make that execution layer interoperable.

The Nike DTC lesson: transparency was desirable, never sufficient

Some merchants will respond to this by reaching for a familiar counter-move: reclaim transparency via direct channels. Own the interface. Own the customer relationship. Build first-party data. Reduce dependency.

That instinct is understandable, and it is not new.

Nike’s DTC push is a useful lesson, not as nostalgia, but as proof. Large brands attempted to reclaim transparency and control by prioritizing direct purchases and direct relationships. But transparency alone could not sustain growth. Distribution, physical experience, and intermediaries still mattered.

Meanwhile, newer challengers gained share by executing within existing channels. They met customers where customers already were. They accepted that the interface was mediated and focused on out-executing within the rules of those surfaces.

Key takeaway: Transparency has always been desirable. It has never been sufficient.

UCP reinforces the same lesson. You can build your own channel, but if consumer surfaces shift toward AI-owned discovery, the gravitational pull is toward the intermediary again.

Reframing merchant choice realistically

The wrong framing is: “Do we choose transparency or scale?”

That choice is fading.

Merchants no longer choose between transparency and scale. They choose how to operate without transparency. This is a forced condition, not a strategic preference.

For ecommerce operators, this means planning for a world where demand signals arrive as outputs rather than narratives. You will receive purchases without receiving the full story behind purchase decisions. You will see outcomes without seeing deliberation.

The operational question becomes: what do we optimize when we cannot observe the decision-making layer?

Execution is the remaining differentiation surface

This is where the conversation often collapses into fatalism. It should not.

Opaque discovery does not remove competition. It changes the arena. Execution becomes the primary remaining signal merchants still control, and in agentic commerce, execution is not passive. It is measurable and learnable by intermediaries even when merchants cannot see the learning process.

If an agent must choose between two eligible retailers offering the same product, the tie-breakers trend toward reliability and trust. That puts pressure on operational fundamentals that many brands have treated as secondary to growth.

Execution differentiation shows up in:

• Availability: accurate stock, fewer cancellations, fewer substitutions, stable inventory across child listings and variation listings.
• Reliability: consistent delivery promises, fewer damaged shipments, fewer late orders, fewer fulfillment errors.
• Fit, returns, and post-purchase trust: expectation-setting that reduces negative reviews and return rates, clear sizing for size variations, accurate product differences across variation relationships, honest product details that match what arrives.
• Fulfillment speed and exception handling: faster ship times, proactive issue resolution, clean handling of lost packages, efficient order management when something breaks.

In practical terms, if AI agents are optimizing for customer confidence and lower regret, then the merchants that win are those with fewer downstream failures. The agent may not explain why it chose you, but it can learn from outcomes. And outcomes are deeply influenced by operations.

This is also where the distinction between insight and learning matters. You might not get the insight narrative, but the platform’s learning will still reflect your operational performance. Execution becomes your lever.

A careful speculation: platforms that centralize insight tend to monetize access

There is an economic precedent worth stating plainly.

When platforms centralize insight, they historically monetize access to it. Not in a conspiratorial way, but because the platform is bearing the cost of building the system and has the leverage of being the interface.

A plausible evolution in future agentic commerce is that merchants are offered summarized, abstracted context as a paid layer. Not raw transcripts of conversations. Not full explainability. More likely patterns, signals, and generalized explanations: what themes appeared in preference formation, what objections were common, what comparisons were frequent, what attributes influenced selection in aggregate.

That would be consistent with how marketplaces monetize search results placements and how ad platforms monetize targeting. It would also be consistent with a world where LLM explainability limits prevent true transparency, but a platform can still offer “helpful” approximations.

The key risk is simple: merchants may eventually have to buy back a filtered version of their own demand.

This is not a promise. It is a plausible evolution grounded in economic precedent. And it is worth preparing for mentally, because it reinforces the central argument: the locus of learning moves upstream, and access to learning is not guaranteed.

UCP Governance: Who Decides Who Gets to See What?

As agentic commerce becomes the new normal, the question of who gets to access, influence, and evolve the Universal Commerce Protocol (UCP) is no longer academic—it’s foundational. UCP is positioned as an open standard, designed to enable agentic commerce across the entire commerce ecosystem. But “open” is only as meaningful as the governance that backs it.

The governance of the Universal Commerce Protocol UCP is intentionally structured to be transparent, fair, and inclusive. This means that the rules for how the protocol evolves, who can participate, and what changes are made are not dictated by a single company or closed group. Instead, the governance model invites input from a broad spectrum of stakeholders: merchants, payment providers, AI platforms, credential providers, business agents, and even consumer advocates. The goal is to ensure that the protocol serves the needs of the entire digital commerce landscape—not just the largest players or the earliest adopters.

In practice, UCP governance operates through open forums, working groups, and public documentation. Proposals for changes or new features to the commerce protocol are discussed in the open, with clear processes for review, feedback, and consensus-building. This approach is designed to prevent any one party from unilaterally deciding who gets to see what data, which business logic is supported, or how agentic commerce is enabled across different consumer surfaces.

For merchants and other ecosystem participants, this governance structure is more than a technicality—it’s a safeguard. It means that the evolution of universal commerce is not locked behind closed doors, and that the rules of engagement for AI agents, payment handlers, and business backends are shaped by collective input. It also means that as new challenges emerge—such as balancing privacy with operational transparency, or supporting new payment options and loyalty programs—the protocol can adapt in a way that reflects the interests of the broader community.

Ultimately, UCP governance is about trust. In a world where the mechanics of commerce are increasingly mediated by AI and complex protocols, having an open standard with transparent, participatory governance is what gives businesses flexible ways to adapt and compete. It’s not just about enabling agentic commerce; it’s about ensuring that the future of universal commerce is built on a foundation that is open, accountable, and responsive to the needs of the entire ecosystem.

Conclusion

Universal Commerce Protocol is not primarily about checkout. It is about who gets to understand demand.

Merchants will still have data. They will still have sales. They will still have dashboards. What they increasingly will not have is the right to observe decision-making, because decision-making is being mediated by opaque intermediaries and LLM systems that centralize learning.

This is not something a protocol can solve. Limited visibility is inherent to LLM systems. Even AI platforms cannot fully reconstruct why a recommendation occurred. That is a property of how these systems reason, not a bug merchants can opt out of.

The way forward is not outrage, and it is not false optimism. It is acceptance and adaptation.

The loss of transparency is not the end of commerce. It is the end of pretending transparency was ever guaranteed. Merchants who win will be the ones who stop optimizing for perfect visibility and start optimizing for the remaining controllable surface: execution. Availability, reliability, fit, returns, post-purchase support, and exception handling will increasingly determine whether intermediaries learn to trust you as the safest outcome for the customer.

In a world of centralized learning with decentralized execution, the merchant’s role becomes sharper. You may not own the story of demand, but you can still own the quality of delivery. And that, operationally, is the most durable advantage left.

FAQ

What is Universal Commerce Protocol?

Universal Commerce Protocol is an open commerce protocol intended to help AI agents and consumer surfaces connect to merchant systems to enable agentic commerce, including product discovery and completing transactions.

Why does Universal Commerce Protocol matter if it is just about checkout?

Because the larger shift is not checkout mechanics. It is that AI agents increasingly own discovery, comparison, and preference formation, leaving merchants with less visibility into how purchase decisions were made.

Why can’t merchants get full transparency into why an AI recommended their product?

Limited visibility into decision-making is inherent to LLM systems. Even AI platforms cannot fully reconstruct why a specific recommendation occurred. This is a property of how LLMs reason, not a fixable protocol oversight.

What is the difference between data, insight, and learning in agentic commerce?

Data is raw facts like orders and returns. Insight is human-interpretable meaning derived from analysis. Learning is the model’s internal improvement that drives future recommendations, and it is not the same as analytics or dashboards.

How does Universal Commerce Protocol change merchant feedback loops?

Merchants may still receive transaction data, but they lose the ability to observe the decision-making journey that produced the purchase. That reduces feedback loops that historically informed optimization.

Is this trend new or disruptive compared to past platform shifts?

It is continuity. Merchants have already lived through keyword black boxes in search, marketplaces owning the interface, attribution loss through privacy and aggregation, and now AI owning discovery and preference formation.

What does the Nike DTC shift teach merchants about transparency?

Nike’s DTC push showed that transparency is desirable but not sufficient to sustain growth. Distribution and intermediaries still matter, and brands can gain share by executing within existing channels.

What choices do merchants actually have in an AI-mediated commerce ecosystem?

Merchants no longer choose between transparency and scale. They choose how to operate without transparency. This is a forced condition, not a strategic preference.

What is the main way merchants can still differentiate if discovery is opaque?

Execution. Availability, reliability, fit and returns performance, post-purchase trust, fulfillment speed, and exception handling are the primary remaining signals merchants still control.

Will platforms monetize access to demand insight in the future?

It is plausible based on economic precedent. Platforms that centralize insight often monetize access to abstracted patterns and signals, rather than raw transcripts or full explainability. The risk is that merchants may have to buy back a filtered view of their own demand.

Written By:

Manish Chowdhary

Manish Chowdhary is the founder and CEO of Cahoot, the most comprehensive post-purchase suite for ecommerce brands. A serial entrepreneur and industry thought leader, Manish has decades of experience building technologies that simplify ecommerce logistics—from order fulfillment to returns. His insights help brands stay ahead of market shifts and operational challenges.

Temu’s Shopify integration is not about empowering U.S. merchants. It is a survival strategy designed to shift tariff exposure, inventory risk, and fulfillment complexity onto local sellers while Temu retains demand, customer data, and pricing power. Temu is one of the world’s fastest-growing e-commerce platforms, offering a sweeping array of products at wholesale prices. Temu’s selling point lies in its product diversity and preference for wholesale pricing. The prices Temu affords are an entrepreneur’s delight, trimming the fat on operational costs. For most brand-led Shopify stores, the upside is limited, but for the right inventory strategy, Temu can function as a low-competition outlet rather than a true growth channel. Entrepreneurs can cherry-pick from Temu’s product offerings to create a uniquely curated shop front. In enterprise environments, such integrated systems require significant expertise to ensure seamless operation and data flow.

The December 2025 launch of Temu’s official Shopify app came precisely as the platform faced existential pressure from tariff changes that destroyed its original business model. The ‘shopify temu integration’ refers to a third-party connector that links Shopify with Temu, enabling users to easily sync data between the two platforms and highlighting its quick setup process. Merchants can integrate Shopify with Temu using third-party tools like Commercium, which facilitate API integrations and data synchronization. Understanding this context is essential before any Shopify brand considers adding Temu as a sales channel.

How Tariffs Broke Temu’s Original Model

Temu’s explosive growth from 2022 through early 2025 was built on a single regulatory advantage: the de minimis exemption that allowed packages valued under $800 to enter the U.S. duty-free. At its peak, nearly 1.4 billion packages entered America annually through this provision, with Temu and Shein accounting for a substantial portion of that volume.

That model collapsed in 2025. The de minimis exemption ended for Chinese imports on May 2, 2025, followed by a complete elimination for all countries on August 29, 2025. Chinese imports now face tariffs as high as 145%, and packages that once cleared customs without inspection now require formal entry with 10-digit tariff codes.

The consequences for Temu were immediate. According to Retail TouchPoints, the platform paused U.S. advertising campaigns, removed large portions of its catalog, and watched prices on remaining items increase dramatically. Sensor Tower data showed Temu’s U.S. daily active users dropped 52% between March and May 2025. The company shifted its entire U.S. operation to only display products shipped from domestic warehouses, labeling items shipped from China as out of stock.

The Local Seller Program as Risk Externalization

Temu’s response to tariff pressure was not to absorb the new costs. Instead, the company launched its Local Seller Program in November 2024, allowing U.S.-based businesses to sell and fulfill orders domestically. Temu’s Local Seller Program provides access to its 160+ million monthly active shoppers across various markets. The December 2025 Shopify integration extends this lifeline to nearly 3 million U.S. merchants using Shopify’s platform.

This shift fundamentally changes who bears operational risk. Under Temu’s original consignment model, the platform handled everything: listing, marketing, fulfillment, customer service, and pricing. Sellers shipped inventory to Temu warehouses and got paid only after customers purchased.

The Local Seller Program inverts this arrangement:

• U.S. sellers must hold inventory domestically, tying up capital and absorbing obsolescence risk
• Sellers handle their own fulfillment, shipping orders within 24 to 48 hours using approved carriers
• Returns and customer service responsibilities shift to the merchant
• Payment arrives 14 or more days after order completion
• Tariff exposure for any imported inventory falls entirely on the seller

Sellers are also expected to maintain high quality in product listings, imagery, and operational processes to meet Temu’s marketplace standards.

The program allows fulfillment of orders within local markets, reducing shipping times.

What Temu keeps is everything that makes a marketplace valuable: traffic, customer relationships, transaction data, and pricing control. Sellers receive only name and shipping address for fulfillment. Buyers interact with Temu, not individual stores. There is no opportunity to build email lists, encourage direct purchases, or develop customer loyalty outside the platform.

To use the Temu Sales Channel app for Shopify integration, a Temu Seller Center account is required. Sellers can list and manage Temu products on the marketplace.

Setting Up Seamless Integration

Getting started with the Temu Shopify integration is designed to be straightforward, allowing sellers to quickly connect their Shopify store to Temu and begin expanding their sales channels. The process begins by installing the Temu Integration app from the Shopify App Store. With a free plan and a day free trial available—no credit card required—sellers can test out the integration’s key features before making any commitments.

Once the app is installed, sellers gain access to a suite of tools directly within their Shopify admin. This seamless integration enables efficient management of product listings, inventory sync, and Temu orders, all from a single dashboard. Sellers can easily connect their store, manage product data, and monitor inventory levels, streamlining operations and reducing the risk of overselling.

The integration also opens the door to new markets, allowing sellers to expand their reach to active buyers in the United Kingdom, Germany, and beyond. By centralizing order management and inventory control, the Temu Shopify integration empowers sellers to manage multiple platforms and sales channels with greater efficiency, helping them scale their business and access new customer bases with minimal friction.

Key Features of the Integration

The Temu Shopify integration is designed to provide Shopify store owners with a seamless way to expand their sales channels and streamline e-commerce operations. By connecting your Shopify store directly to Temu, the integration enables efficient management of product listings, inventory, and order fulfillment—all from within your familiar Shopify admin dashboard.

One of the standout features is real-time inventory sync, which ensures that stock levels are automatically updated across both platforms. This direct synchronization helps prevent overselling and reduces the risk of fulfillment errors, allowing merchants to manage their inventory with confidence. Product data, including descriptions, pricing, and images, can be transferred in bulk, making it easy to list multiple items on Temu without duplicating work.

The integration also supports bulk editing of product listings, so you can quickly adjust details or pricing for groups of products, saving valuable time as you scale your operations. With Temu’s rapidly gained popularity among active buyers, Shopify merchants can tap into a new audience while leveraging competitive pricing strategies to stay ahead in the crowded e-commerce landscape.

Order management is streamlined as well—Temu orders flow directly into your Shopify admin, allowing you to fulfill, track, and manage shipments alongside your other sales channels. This feature saves time and reduces complexity, especially for businesses already juggling multiple platforms like eBay or Amazon.

For merchants looking to expand internationally, the integration supports operations in key markets such as the United Kingdom and Germany, helping you reach millions of new shoppers without building separate infrastructure. The ability to manage all your sales channels, inventory levels, and product data from one place makes the Temu Shopify integration a practical tool for businesses aiming to streamline operations and maximize their reach in modern commerce.

Managing Inventory with Inventory Sync

For any e-commerce business, maintaining accurate inventory is essential to prevent lost sales and customer dissatisfaction. The Temu Shopify integration addresses this need with a robust inventory sync feature that automatically updates stock levels across both platforms. This feature saves sellers valuable time and effort by ensuring that product listings reflect real-time inventory, effectively preventing overselling and fulfillment errors.

Sellers can manage inventory levels, perform bulk edits on product listings, and transfer products between their Shopify store and Temu with ease. The inventory sync capability is a cornerstone of the Temu integration, supporting businesses as they scale and diversify their sales channels. By keeping stock data consistent and up-to-date, sellers can confidently expand their operations, access millions of potential customers, and streamline their management processes.

With the ability to sync inventory and product data across platforms, sellers can focus on growing their business, knowing that their inventory management is reliable and efficient. This integration not only supports operational efficiency but also enables sellers to expand into new markets and sales channels without the risk of inventory discrepancies.

The Pricing Control Problem

Unlike Amazon, eBay, or Etsy, where sellers set their own prices, Temu retains significant influence over retail pricing through its algorithm. The platform’s search results heavily favor the lowest-priced items in each category. Products that do not meet Temu’s competitive pricing thresholds may see reduced visibility or disappear from search results entirely.

This creates a structural tension for Shopify brands accustomed to controlling their own margins. Temu’s customer base expects deep discounts. Research from Omnisend found that 65% of Temu listings are marked down, with some discounts reaching 98%. The platform’s success relies on discount psychology as much as actual savings.

For brands with established pricing across other channels, this presents a real problem. Listing on Temu at prices that satisfy its algorithm may undercut positioning on Amazon, your own Shopify store, or retail partners. The seamless integration that syncs your Shopify products to Temu can quickly become a liability if price expectations diverge.

The Etsy Comparison: Outlet Channel vs. Brand Channel

A useful framework for evaluating Temu is comparing it to Etsy, not as a brand analog, but as a lesson in channel purpose.

Etsy functions as a brand-building channel for many sellers. Customers seek out unique, handmade, or specialty items. Sellers control their pricing, communicate with buyers, and build recognizable shop identities. Profit margins of 30% to 50% or higher are achievable because the platform’s customer base values differentiation over lowest price.

Temu operates on opposite principles. Customers arrive seeking the lowest possible price. Seller identity is essentially invisible. The platform’s bright orange packaging ensures customers know they bought from Temu, not from any individual merchant. This is functionally a white-label relationship where sellers provide inventory and fulfillment while Temu captures all brand equity.

This does not mean Temu has no value. It means the value is different. Etsy can be a growth channel for brand-building. Temu, for the right seller, can be an inventory liquidation channel or a way to move commodity products at volume without marketing investment.

When Temu Can Make Sense

Temu’s Shopify integration may work for specific scenarios:

Excess inventory liquidation. If you have overstock, discontinued items, or products approaching end of season, Temu’s traffic can move volume without cannibalizing your primary channels. The key is listing items you would not sell at full price elsewhere anyway. New vendors can start selling on Temu easily, taking advantage of seamless integration and broad market opportunities. Temu offers a reliable and efficient process from order to delivery that opens the door to customer satisfaction. Rapid dispatch and delivery from Temu lead to customer satisfaction and brand loyalty.

Commodity products with thin margins. If you sell generic items where brand differentiation is minimal and volume matters more than margin, Temu’s massive customer base offers reach you could not generate independently. Some sellers have reported moving hundreds of thousands of units through the platform. This is a great opportunity for new vendors to start selling quickly and reach international audiences with minimal technical hurdles. Temu’s rapid dispatch and delivery process also helps ensure customer satisfaction and repeat business.

Market testing. Temu’s lack of listing fees makes it possible to test new products with minimal upfront investment. If something gains traction on Temu, that signal may inform inventory decisions for other channels.

Geographic expansion. The Shopify integration enables access to Temu’s Local Seller Program in more than 30 markets, including Canada, the UK, Germany, Spain, and Australia. For brands already managing international fulfillment, this extends reach without building new infrastructure.

When Temu Does Not Make Sense

Temu is not appropriate for:

Brand-building. If your strategy depends on customer recognition, loyalty, or premium positioning, Temu works against those goals. Customers will not remember your brand. They will remember they bought something cheap on Temu.

Margin protection. If maintaining price integrity across channels matters to your business, the pressure to compete at Temu’s price points creates risk. Even if you list at higher prices, the platform’s algorithm may bury your listings.

Customer relationship development. You will not build an email list, retarget purchasers, or convert Temu buyers to direct customers. The platform owns the relationship entirely.

Products requiring education or support. Temu’s customer base expects simple, low-touch transactions. Complex products with high return potential or significant customer service needs will generate friction.

Multi-Channel Implications

For Shopify brands already selling across Amazon, their own storefront, and potentially other marketplaces, adding Temu requires careful consideration of channel strategy. Integrating Shopify with Temu allows merchants access to over 30 markets and enables centralized management of orders and inventory. If you are not using the official sales channel, using third-party apps is necessary to import products from Temu. Solutions like M2E Cloud – Temu Importer enable near real-time inventory synchronization with Temu, preventing overselling. Commercium allows you to sell on over 200+ marketplaces across the globe with a single premium subscription and offers a generous free forever plan. Inventory sync happens near real-time and all other sync happens within 5-10 minutes with Commercium, which also supports connectivity with a wide variety of ERPs and Order Management Systems. M2E offers a 30-day free trial for users to test the platform without any credit card required. Commercium pricing depends on the number of SKUs you want to manage across different selling channels or the number of orders you receive per month, with a monthly allowance defining the cap on sales volume per period. For assistance, pricing inquiries, or custom integration requests, contact Commercium support directly through their prompt and direct communication channels. You can link Shopify with Temu by simply using Commercium, which connects Shopify with Temu by connecting to their APIs. The Temu Shopify integration allows for automatic translation of product titles and descriptions, and the integration with Shopify is intuitive, empowering users to leverage both platforms to their fullest.

The operational integration is straightforward. Temu’s Shopify app offers one-click product sync, real-time inventory updates, and automated order coordination. Integration features include the ability to create and manage product listings, transfer product data, and switch between subscription plans as your business needs grow. Some platforms offer a monthly subscription model for access to integration features. Compliance with data security and operational standards is essential in integration solutions to ensure safety and reliability. Technically, you can be selling on Temu within hours of installation.

The strategic integration is harder. Questions to answer before connecting:

• Which products, if any, should be listed on Temu versus reserved for higher-margin channels?
• How will Temu pricing affect price perception on Amazon or your own store?
• Do you have fulfillment capacity to handle Temu’s 24 to 48 hour shipping requirements alongside existing orders?
• What happens to your brand if customers see the same product at dramatically different prices across channels?

The smartest approach treats Temu as a distinct inventory channel with its own product selection, not a mirror of your full catalog. Sync excess inventory, test items, or commodity SKUs. Keep differentiated products and brand-building efforts on channels where you control the customer relationship.

Performance Monitoring and Analysis

Success in e-commerce depends on the ability to monitor, analyze, and adapt to changing business conditions. The Temu Shopify integration equips sellers with powerful tools to track performance across all their sales channels. Through the integration, sellers can access detailed data on sales, customer behavior, and product performance, helping them make informed decisions and refine their competitive pricing strategies.

Sellers can monitor their monthly allowance, track order management metrics, and analyze customer data to identify trends and opportunities for growth. The integration’s features extend to logistics and shipping, allowing businesses to streamline operations and improve fulfillment efficiency. By leveraging these insights, sellers can optimize their product offerings, enhance the customer experience, and drive higher sales.

With centralized access to performance data and management tools, sellers can create a seamless shopping experience for their customers, adapt quickly to market changes, and scale their business with confidence. The Temu Shopify integration turns data into actionable intelligence, supporting smarter decision-making and sustained growth in a competitive e-commerce landscape.

Temu Shopify Integration and Security

Security and compliance are top priorities for any e-commerce business, and the Temu Shopify integration is built with these concerns in mind. The integration employs advanced security measures to protect both business and customer data, ensuring that transactions and information remain safe from breaches or unauthorized access.

Sellers can trust that their operations are compliant with regulations in key markets, including the United Kingdom and Germany. The Temu integration is designed to meet stringent data protection standards, giving sellers peace of mind as they expand their sales channels and start selling to new audiences. With secure data handling and robust compliance protocols, sellers can focus on growing their business without worrying about security risks.

By choosing the Temu Shopify integration, sellers gain access to a secure, compliant platform that supports their e-commerce ambitions while safeguarding sensitive information. This commitment to security and compliance allows businesses to operate confidently, knowing that their data and their customers’ data are protected at every step.

The Survival Calculus

Temu’s Shopify integration is best understood as regulatory arbitrage 2.0. Having lost the de minimis advantage that powered its growth, the platform is constructing a new model where American sellers provide the tariff-compliant supply chain, inventory capital, and fulfillment infrastructure that Temu can no longer economically operate itself.

In exchange, sellers receive traffic they could not generate independently. Temu spent billions on advertising to build its user base. No individual seller can replicate that customer acquisition. But dependency on Temu’s traffic creates lock-in without the ability to build portable brand equity.

The platform’s future remains uncertain. Regulatory scrutiny continues, with the FTC and Congress both examining Temu’s business practices. A bill signed in July 2025 will end de minimis for all countries by 2027, potentially forcing another business model shift. The platform’s path forward depends on whether it can build a seller ecosystem that remains attractive as its original cost advantages continue eroding.

For Shopify merchants, the question is not whether Temu offers access to customers. It does, at massive scale. The question is whether that access is worth providing inventory, fulfillment, and risk absorption to a platform fighting for survival while surrendering pricing control and customer ownership in the process.

Frequently Asked Questions

Is Temu’s Shopify integration free to use?

Temu currently does not charge subscription or listing fees for U.S. merchants. However, sellers are responsible for shipping costs, and the platform may charge fulfillment fees if using Temu partner logistics. Payment processing fees of approximately 2.9% plus $0.30 per transaction apply.

What control do sellers have over pricing on Temu?

Limited control. Unlike Amazon or Etsy, Temu’s algorithm heavily influences pricing visibility. Products priced above competitive thresholds may see reduced search placement. The platform’s customer base expects deep discounts, which can conflict with brand pricing strategies on other channels.

Can I build customer relationships through Temu?

No. Temu controls the customer relationship entirely. Sellers receive only shipping information needed for fulfillment. There is no ability to communicate with buyers, build email lists, or encourage direct purchases outside the platform.

How does Temu compare to selling on Amazon or Etsy?

Temu offers lower fees but significantly less seller control. Amazon allows pricing autonomy and brand-building through storefronts and A+ content. Etsy emphasizes seller identity and supports premium positioning. Temu functions more as a commodity outlet where seller identity is essentially invisible.

Why did Temu launch this integration now?

The timing directly follows the collapse of Temu’s original business model. The removal of the de minimis exemption and tariffs on Chinese imports forced Temu to pivot toward U.S.-based sellers who can provide tariff-compliant fulfillment. The Shopify integration extends this pivot to millions of potential merchants.

Should my Shopify brand add Temu as a sales channel?

It depends on your goals. Temu can work for inventory liquidation, commodity products, or market testing. It is not appropriate for brand-building, margin protection, or customer relationship development. Evaluate whether the traffic access justifies surrendering pricing control and brand visibility.

Written By:

Rinaldi Juwono

Rinaldi Juwono leads content and SEO strategy at Cahoot, crafting data-driven insights that help ecommerce brands navigate logistics challenges. He works closely with the product, sales, and operations teams to translate Cahoot’s innovations into actionable strategies merchants can use to grow smarter and leaner.

Agentic Commerce Is No Longer Theoretical

The age of AI-powered shopping isn’t on the horizon – it’s already unfolding. With Shopify’s release of native checkout inside AI interfaces like ChatGPT (via Universal Checkout Protocol), agentic commerce has entered live environments where AI agents not only assist shoppers but actively complete transactions on their behalf. We are at an inflection point in AI adoption, as these technologies transition from assisted to autonomous systems, marking a pivotal change in the industry. Shopify merchants are among those benefiting from these new AI-powered shopping features and integrations. AI Mode is emerging as a new interface paradigm for shopping, expanding capabilities beyond traditional browsing to include autonomous checkout and purchase confirmation.

Unlike past AI applications limited to search or recommendations, agentic commerce introduces AI agents that move beyond suggestion. They execute. This shift is transforming online shopping, as global retailers are exploring and implementing agentic commerce to stay competitive in the evolving online shopping landscape. Widespread adoption of AI-enabled conversational interfaces and agentic commerce is rapidly transforming business models, customer engagement, and market dynamics across industries. That distinction reshapes not only how discovery happens, but how retailers are selected – and which are excluded. This represents a paradigm shift in commerce, fundamentally changing how businesses and consumers interact in the digital ecosystem. More than half of consumers anticipate using AI assistants for shopping by the end of 2025, indicating a significant shift in consumer behavior and underscoring the need for retailers to adapt rapidly. Traffic to US retail sites from GenAI browsers and chat services increased 4,700% year-over-year in July 2025, showing rapid adoption of AI-driven shopping.

In the near future, AI-driven shopping platforms will extend current browsing and comparison functions to include features like price tracking, purchase confirmation, and fully autonomous checkout, further accelerating the transformation of commerce.

What Is Agentic Commerce?

Agentic commerce refers to a shopping model where autonomous agents-AI-driven systems-manage the entire buying journey: from discovery to evaluation to checkout. These agents are not passive helpers; they act on behalf of the shopper. To do that, they must interpret product data, validate transaction logic, and ensure fulfillment promises can be honored. Agentic AI is the underlying technology enabling these autonomous, goal-driven systems, allowing them to initiate, learn from, and complete complex, multi-step tasks independently. AI agents act as digital proxies, interpreting needs, goals, and constraints for consumers or businesses.

Agentic shopping is transforming online retail by automating and personalizing the process, fundamentally changing consumer behavior and purchasing decisions. Traditional consumer journeys are being redefined as digital proxies and AI-powered agents now navigate and influence the entire shopping process, requiring a fundamental rethinking of engagement strategies. Consumer purchasing decisions are increasingly shaped by AI agents, shifting the focus from traditional marketing to AI-driven decision-making processes that proactively respond to consumer intent. For example, 61 percent of Gen Z consumers now start their product research with AI tools rather than traditional search engines. Half of all consumers now use AI when searching the internet, reflecting a significant shift in how consumers interact with digital platforms.

This evolution reframes ecommerce infrastructure. Retailers are no longer building experiences only for human eyes. The focus is shifting from designing for human shoppers to designing for machines, as AI agents become the primary audience for product data and digital experiences. They must expose structured truth that machines can read, verify, and act upon. Generative AI is a key enabler of agentic commerce, automating tasks, creating content, and enhancing customer interactions to improve efficiency and user experience.

AI shopping agents could drive roughly a quarter of all e-commerce, amounting to around $10 to $12 trillion in annual online sales by 2030.

The Agentic Ecosystem

The agentic ecosystem is rapidly emerging as the backbone of next-generation online shopping, connecting AI agents, AI platforms, payment providers, and retailers in a seamless digital network. At the heart of this ecosystem lies the Agentic Commerce Protocol (ACP), a universal commerce protocol that establishes a common language for secure, transparent, and efficient AI commerce.

AI shopping agents, empowered by the ACP, can autonomously navigate the entire shopping journey-from product discovery and evaluation to instant checkout-across multiple retailers and platforms. These shopping agents interact directly with commerce protocols, accessing real-time inventory, pricing, and fulfillment data to make informed purchasing decisions on behalf of consumers, all with minimal human intervention.

AI platforms and payment providers play a crucial role in this ecosystem, ensuring that agentic transactions are not only fast and frictionless but also secure and compliant with industry standards. By leveraging the universal commerce protocol, these stakeholders enable shopping agents to complete purchases, process payments, and manage sensitive payment credentials without exposing consumers to unnecessary risk.

For retailers, participating in the agentic ecosystem means making their product data, policies, and inventory accessible and verifiable by AI agents. This shift allows businesses to reach consumers through new AI-powered channels, while also benefiting from streamlined operations and enhanced fraud detection.

As the agentic ecosystem continues to evolve, it is redefining the way people shop online-ushering in a new era of digital commerce where AI agents, supported by robust protocols and infrastructure, deliver personalized, efficient, and trustworthy shopping experiences from start to finish.

The Funnel Collapses into a Single AI Shopping Agents Conversation

Traditional ecommerce unfolds over multiple touchpoints: search, comparison, cart, checkout. But AI collapses that funnel into a single moment. In a conversation like “Find me a 48-inch desk that ships by Friday and is returnable for free,” the agent must: AI powered search enables agents to instantly process and act on shopper requests, leveraging real time insights and a deep understanding of preferences and product data. Natural language interfaces allow shoppers to interact with agents seamlessly, making the shopping experience more conversational and personalized.

• Search eligible inventory
• Validate fulfillment timelines
• Confirm return terms
• Check price and payment methods
• Complete the transaction
• Earn extra revenue by fulfilling eCommerce orders for other merchants

AI agents can scan several platforms, filter results against individual preferences, compare features and prices, and make context-aware recommendations. These agents can also interact and collaborate with other agents to fulfill complex requests.

All of this happens mid-conversation, not across five browser tabs. Peak intent is no longer nudged down the funnel – it either converts instantly or disappears.

Execution of Agentic Transactions Has Become a Selection Filter

In agentic commerce, execution quality is not a post-purchase variable. It’s a selection filter upstream in the buying decision.

AI agents require structured inputs to verify fulfillment feasibility. If a retailer’s shipping time is ambiguous, returns unclear, or inventory inaccurate, the agent cannot confidently recommend or transact with them. To enable this, agentic commerce requires retailers to update their technology stack and existing systems to ensure data is structured and accessible for AI agents. The Model Context Protocol (MCP) is emerging as a standard for secure and seamless AI integration, acting as a universal adaptor for interactions between AI agents and back-end systems, and enabling interoperability and scalable deployment. As a result, the seller is skipped – not out of malice, but out of logic.

This means things that previously fell under “ops” – like accurate stock, timely delivery, and policy transparency – now determine visibility and eligibility in AI-led shopping environments. Agentic commerce automates tasks in marketing, inventory, and customer service, boosting operational efficiency.

Businesses can implement the Agentic Commerce Protocol (ACP) to transact with any AI agent or payment processor.

Brand Storytelling Doesn’t Offset Fulfillment Failure

Brand still matters in agentic commerce. A brand signals trust, identity, and aspiration. But the days of brand storytelling papering over operational shortfalls are ending. As AI agents increasingly influence purchasing decisions, brand loyalty and customer relationships are being redefined-AI agents now prioritize operational truth and real-time data over traditional marketing, shifting the focus from emotional connection to utility and trust built through AI interactions. Ethical considerations in AI governance are critical here, as responsible AI practices, regulatory compliance, and the integration of ethical standards into daily operations ensure trustworthy and fair AI deployment.

AI agents do not forgive missed promises. If a brand’s delivery estimate fails or the return process contradicts what was structured in its protocol, the agent will learn – and avoid the merchant in future queries. In this paradigm, operational honesty becomes the brand. This shift also transforms customer engagement, as retailers must leverage AI-driven personalization and seamless, autonomous shopping experiences to maintain relevance and loyalty.

Retailers that used to rely on slick marketing while tolerating backend chaos will find themselves deprioritized. Not because they’re disliked – but because they’re unreliable in structured logic.

Additionally, the emergence of agentic commerce threatens traditional revenue streams, particularly from advertising, as consumers shift towards AI-driven experiences. To remain competitive, businesses must ensure discoverability by enhancing earned visibility and capitalizing on emerging paid advertising opportunities.

What Breaks for Sellers Who Overpromise?

Overpromising introduces ambiguity that agents cannot resolve. Specific breaking points include:

• Late delivery: If fulfillment timelines are untrustworthy, agents cannot offer the product for date-sensitive requests.
• Unclear returns: Ambiguity around return fees or timeframes results in agents skipping the listing altogether.
• Inaccurate inventory: If availability can’t be guaranteed, agents avoid the risk of transaction failure.
• Hidden costs: Surprise fees (e.g., handling charges) are incompatible with agentic transparency, and are therefore filtered out.

Agentic commerce introduces new risks such as Bot Takeovers (BTOs), where authorized shopping agents can be compromised, making advanced fraud detection essential. The rise of agentic payments-autonomous payment methods executed by AI agents-brings new risks and accountability challenges, as these systems must ensure secure, verifiable transactions. Traditional fraud prevention tools must evolve to verify agent identities and establish protocol-level trust, ensuring secure, autonomous payments. Payment networks are rapidly evolving to support agentic payments, implementing delegated-auth tokens, dispute artifacts, and standard protocols to facilitate secure, autonomous transactions in this AI-driven environment. Additionally, concerns regarding data privacy and data ownership are heightened, as vast user data influences agent decisions and compliance with local regulations becomes critical. Businesses need to build the capabilities to differentiate between benign agents and malicious bots. Trust in AI agents is a significant challenge, since consumers may hesitate to share sensitive information with them. The ambiguity of accountability in agentic commerce complicates determining who is responsible for errors made by AI agents. Systemic risk also arises from the interconnectedness of AI agents, where a single error can have widespread consequences across multiple systems. The emergence of agentic payments is supported by collaborative standards like AP2, which involve players across North America, Europe, and Asia Pacific.

Importantly, agents don’t negotiate or rationalize – they calculate. Retailers who haven’t structured their policies in machine-readable formats (like UCP) will be invisible in these conversations, no matter how persuasive their branding.

Universal Checkout Protocol: A Glimpse of Agentic Commerce in Action

Google and Shopify’s Universal Checkout Protocol offers a clear glimpse into how this system works. It allows AI interfaces like ChatGPT to access product catalogs, confirm shipping and return policies, and execute purchases without redirecting users to traditional ecommerce pages. Shopify’s announcement framed this as “AI commerce at scale”. Platforms like Google Pay are also being integrated to facilitate seamless, in-platform agent-led transactions.

This model demonstrates how discovery, evaluation, and transaction are converging. It’s not just conversational UI – it’s protocol-enforced integrity. Agent-led transactions require new trust, accountability, and governance frameworks to ensure secure and verifiable payments. The existing payments infrastructure will encounter significant structural challenges as commerce transitions from direct user interactions to agent-initiated transactions.

Infrastructure and Security in Agentic Commerce

As agentic commerce becomes the new standard, the importance of robust infrastructure and airtight security cannot be overstated. The Agentic Commerce Protocol (ACP) is at the heart of this transformation, providing a common language that enables AI agents and businesses to interact seamlessly and securely throughout the entire shopping journey.

With AI shopping agents now responsible for everything from product discovery to instant checkout, retailers must ensure their systems can handle secure, real-time exchanges of payment credentials and transaction data. The ACP standardizes these interactions, allowing shopping agents to verify details, process payments, and complete purchases with minimal human input-while maintaining the highest levels of trust and data protection.

For retailers, this means investing in scalable, resilient infrastructure that can support agentic transactions at scale. As more consumers rely on AI shopping agents to navigate the digital world, only those businesses that prioritize security and interoperability will stay ahead in the next era of commerce. Adopting a universal commerce protocol isn’t just about compliance-it’s about enabling agents to deliver a seamless, secure customer experience from start to finish.

Fulfillment Accuracy and Fraud Detection Become Ranking Constraints

In agentic environments, fulfillment truth is not optional. It is part of the ranking algorithm that determines whether a product is even presented.

Agents pre-filter based on:

• In-stock status
• Delivery windows
• Return rules
• Total cost (including shipping and taxes)
• Overcoming Amazon’s inventory limits and order fulfillment alternatives

Actionable insights from fulfillment data enable agents to dynamically adapt and make better recommendations. By enabling agents to autonomously process and act on these insights, businesses can streamline operations and enhance personalization. If those values are undefined or misleading, the agent cannot include the product in results. Success for businesses in agentic commerce depends on data quality; messy product data leads to missed offers. This creates a new standard: operational execution becomes table stakes for being surfaced at all.

What Merchants Still Control – And What Agents Take Over

In this emerging architecture, merchants retain control over:

• Pricing
• Inventory availability
• Shipping policies and speed
• Returns terms
• Product content and taxonomy
• Merchants can also develop and utilize their own agents to enhance automation and customer interaction.

What shifts to the agent includes:

• Selection logic (based on shopper intent)
• Feasibility checks (can this product be delivered as promised?)
• Purchase execution (payment, confirmation)

Agents often operate across multiple systems, which introduces the need for careful management of risk and accountability. While agents function with minimal human intervention, users delegate authority by setting parameters within which the agents execute tasks.

Merchants don’t lose ownership of customers – but they do lose the ability to fudge details during the funnel. The agent sees and verifies everything upfront.

The Operational Shift Ahead

Agentic commerce doesn’t punish bad actors. It excludes unreliable ones – mechanically, quietly, and without appeal.

For retailers, this isn’t a marketing challenge. It’s an execution mandate. Business development, new business models, and changes to the operating model are essential for success in agentic commerce. Upgrading technology infrastructure and focusing on faster time to market are key for retail businesses to stay competitive. Industry leaders are actively shaping standards and best practices for agentic commerce, influencing the direction of payment solutions and interoperability. Fulfillment precision, delivery truth, and policy clarity are no longer operations problems. They’re discoverability problems. In the new AI shopping paradigm, the most honest brands win – not because of narrative, but because of math.

Companies need to rethink their existing business models to adapt to the emerging reality of agentic commerce. Retailers must make their platforms discoverable by agents to avoid becoming invisible in agentic commerce. Businesses must optimize product directories for agent readability to thrive in the agentic commerce era. Retailers must invest in AI technologies to reclaim relevance and assert their presence within AI ecosystems. Businesses should focus on building an efficient, intuitive API infrastructure tailored to agentic needs. Companies that move first to adapt to agentic commerce will help shape the future of consumer engagement.

Frequently Asked Questions

What Is the Universal Commerce Protocol (UCP)?

The Universal Commerce Protocol (UCP) is an open standard co-developed by Google in collaboration with industry leaders including Shopify, Etsy, Wayfair, Target, and Walmart, and is co-developed and endorsed by more than 20 partners across the ecosystem.

Is this live or still in development?

It’s live. Shopify, Google, and others have begun implementing UCP-enabled agentic commerce through tools like Copilot Checkout. This is no longer hypothetical.

Do merchants lose access to customers?

No. Orders are still routed through merchant systems. However, visibility is increasingly mediated by agents, not search engines.

Does this mean websites go away?

Not at all. Websites remain important, especially for brand and merchandising. But transactions will increasingly happen off-site via embedded AI interfaces.

Do I need to be on Shopify to participate?

No. While Shopify is a leading UCP contributor, the protocol is designed to be open. Any platform can adopt it to support agentic commerce.

Written By:

Rinaldi Juwono

Rinaldi Juwono leads content and SEO strategy at Cahoot, crafting data-driven insights that help ecommerce brands navigate logistics challenges. He works closely with the product, sales, and operations teams to translate Cahoot’s innovations into actionable strategies merchants can use to grow smarter and leaner.

The Universal Commerce Protocol (UCP) is an open standard co-developed by Google in collaboration with industry leaders including Shopify, Etsy, Wayfair, Target, and Walmart, and is co-developed and endorsed by more than 20 partners across the ecosystem. UCP is an open-source project that invites developers, businesses, and platform architects to contribute. In plain terms, UCP lets an AI “agent” treat any store like a programmable service rather than a website. The protocol defines how agents can discover products, understand checkout requirements, and complete purchases on behalf of a shopper in a structured way.

Merchants expose a machine-readable manifest (via APIs) of their catalog and checkout capabilities, and AI agents query that manifest to drive the sale. UCP was built to solve fragmented commerce journeys that lead to abandoned carts and frustrated shoppers. In practice, UCP allows an agent to:

• Discover products: AI assistants use UCP to query a merchant’s inventory and retrieve up-to-date product details, prices, availability, variants, images and descriptions via standard API calls.
• Handle checkout logic: UCP provides the agent with all the rules and inputs needed for checkout. This includes shipping methods, taxes, return policies, discount or promo codes, loyalty points, recurring subscription terms, etc. These are delivered in a structured data format, so the agent knows exactly what options to present or apply. For example, loyalty rewards or a special “guest checkout” rule are encoded in the protocol rather than hidden in a page UI. UCP uses reverse-domain naming for extensions, allowing merchants and agents to define their capabilities without needing approval.
• Complete transactions: UCP lets the agent assemble a cart and submit the order. It negotiates payment via the user’s preferred method (credit card, digital wallet, etc.) in a standard way. The protocol is payment-agnostic (it can work with any processor) and preserves the merchant’s checkout flow. UCP supports complex cart logic, dynamic pricing, tax calculations, and more across millions of businesses through unified checkout sessions. UCP features a modular payment architecture that separates payment instruments from payment handlers, promoting interoperability and payment method choice. Payment handlers are published by providers and selected during transactions, enabling flexible and dynamic payments. UCP uses OAuth 2.0 for secure account linking and AP2 for secure payment processing, and it uses tokenized payments, verifiable credentials, and cryptographic proof of user consent for every transaction to protect sensitive user information. UCP creates a transparent accountability trail between merchants, credential providers, and payment services, helping to ensure each transaction is secure. In short, the AI can finalize the purchase without manual page browsing, because it follows the machine-readable steps defined by the merchant.

These core capabilities – product discovery, checkout negotiation, and transaction completion – are what make UCP a “universal language” for e-commerce. The protocol is not a marketplace or app; it’s an industry standard supported by major partners such as American Express, Best Buy, Home Depot, Mastercard, and Stripe, demonstrating broad support across the ecosystem. It acts like an abstraction layer that translates between different store systems and AI interfaces. The result is that agents (whether built by Google, Microsoft, or others) can plug into any UCP-enabled store with minimal custom integration. UCP allows merchants to define their own bespoke functionality and capabilities, while maintaining security through proven standards for account linking, payment processing, and protecting customer data.

Introduction to Universal Commerce

The Universal Commerce Protocol (UCP) is ushering in a new era of digital shopping by redefining how businesses and consumers connect across the online ecosystem. As a groundbreaking commerce protocol, UCP is designed to create a seamless, unified shopping journey for everyone – no matter where they shop or which device they use. Developed as an open standard through the collaboration of industry leaders like Google, Shopify, and major retailers, UCP establishes a universal language for commerce that works across platforms, including Google’s AI Mode and the Gemini app.

By adopting the Universal Commerce Protocol, merchants can tap into the full potential of agentic commerce, where AI-powered agents handle everything from product discovery to checkout. This means shoppers enjoy a more intuitive, personalized experience, while retailers can reach consumers wherever they are – whether in search, chat, or voice interfaces. UCP is designed to break down barriers between different commerce systems, making it easier for businesses to participate in universal commerce and for shoppers to get what they need, when and where they want it. As the protocol gains traction, it’s set to become the new standard for digital commerce, benefiting both industry and consumers alike.

Technical Overview of UCP

UCP is built with flexibility and scalability at its core, enabling it to support a diverse range of commerce capabilities and extensions. The protocol’s architecture is designed to facilitate smooth, secure interactions between consumer-facing surfaces, businesses, and payment providers, ensuring a frictionless shopping experience from discovery to checkout. Thanks to its layered protocol design, UCP can be easily integrated with existing commerce infrastructure, allowing merchants to adopt the protocol without overhauling their current systems.

One of UCP’s standout features is its support for customizable capabilities and extensions. Merchants can define their own business logic, add new features, and tailor the protocol to fit their unique needs – whether that means supporting subscriptions, loyalty programs, or special promotions. UCP also accommodates a wide variety of payment methods, including Google Pay, PayPal, and other popular providers, making it easy for shoppers to pay however they prefer. This extensibility ensures that as new commerce trends and technologies emerge, UCP can evolve to support them, keeping the shopping experience fresh and relevant across all surfaces and platforms.

Agentic Commerce: Action-Taking AI Agents

UCP is the backbone of agentic commerce – a new mode of shopping where AI does the heavy lifting of the transaction. Unlike a simple chatbot or recommendation engine, an agentic shopping assistant acts. It can autonomously plan and carry out a purchase under user guidance. For example, imagine telling an AI: “Find me a lightweight suitcase under $200 and buy it.” An agentic commerce system could search multiple stores, compare options, handle any questions (“Should it be black or grey?”), and complete the checkout – all within the same flow. This is different from a traditional AI assistant that only suggests products or answers questions. AI platforms provide the foundational technology that enables streamlined business onboarding, integration with APIs, and enhanced user experiences through compatible frameworks.

In the agentic commerce model, the AI agent behaves like a diligent digital personal shopper. It follows the user’s instructions (and even proactively asks clarifying questions), then executes the purchase when the customer is ready. For instance, Microsoft’s Copilot example illustrates this: a shopper asks for a dress recommendation, the AI compares options, answers follow-ups, and the user decides – all in one conversation. Copilot Checkout can then finalize the order without the customer leaving the chat. The agent handles the multi-step process from intent to purchase seamlessly. These AI-powered tools and standards are designed to help retailers and consumers by simplifying connections, improving discovery, and enabling smarter shopping experiences. In short, agentic commerce goes “beyond chat” by converting conversation into action.

How UCP Checkout Differs from a Traditional Checkout

UCP-enabled checkouts are fundamentally different from the web pages shoppers see today. The key difference is machine-readable logic instead of visual UI. A traditional checkout page is designed for humans, often requiring form-filling and clicking through dialogs. UCP, by contrast, encodes those steps in a standardized data format. This means:

• No scraping or browser simulation. AI agents don’t need to interpret HTML or navigate webpages. Instead, they query UCP endpoints directly. A merchant’s server publishes a UCP manifest (at a well-known URL) that tells the agent what actions are supported (product search, add-to-cart, apply-discount, etc.) and how to call them. This removes the fragile, one-off integrations that come with screen-scraping or custom bots.
• Structured inputs and negotiation. Information like shipping options, tax rules, return window, subscription details, and available discounts are all included as structured data. For example, UCP can represent a merchant’s entire loyalty program or subscription terms in JSON, so an agent can automatically apply earned points or set up recurring orders. This ensures the agent respects all business rules: “Your discount codes, shipping rules, taxes, and loyalty settings still apply – even if the purchase happens through an AI interface”. In other words, nothing “disappears” just because the agent is handling the sale. When the agent negotiates payment, payment handlers are published by providers, selected during transactions, and integrated into profiles to facilitate seamless and dynamic payment negotiations between merchants and consumers.
• Embedded commerce flows. With UCP, the checkout is often embedded in the AI interface rather than redirecting to a website. When a customer goes to buy, the agent will push all required data (address, payment, items) through UCP, and the order is recorded on the merchant’s side just as if the customer filled a cart on the site. The shopping experience stays within the conversation window, giving a seamless feel without sacrificing merchant control.

In summary, protocol-based checkout means the AI and merchant talk the same “language,” so the exchange is transparent and reliable for machines. This is unlike brittle scripts that try to click through a generic checkout page – UCP provides a clear, versioned protocol that can evolve with new commerce features (like loyalty or subscriptions) without breaking agents.

AI Commerce Today: Where It’s Happening

Agents are already starting to sell. UCP-powered shopping is rolling out on several platforms and surfaces:

• AI Search & Smart Assistants: Google is launching UCP-powered shopping in its new AI search mode and Gemini app. Soon, when you search for a product in Google AI Mode, you can buy directly in the chat window. (For example, Target announced that shoppers will soon be able to browse and buy Target products right inside the Google Gemini app and Search AI Mode.) Google’s AI integrates with the Universal Commerce Protocol to enable seamless, agentic commerce actions across Google’s AI surfaces and shopping platforms, facilitating direct purchases and post-purchase support within AI-enhanced search environments. Similarly, Microsoft Copilot (in Bing and Windows) has enabled Copilot Checkout, an in-chat purchase feature for select retailers.
• Conversational Surfaces: Any app or device that can chat can also become a storefront. For instance, Google’s Business Agent lets users ask questions in Search and buy from a brand’s inventory without leaving the results page. The same could happen in messaging apps, voice assistants (like Alexa/Siri with shopping features), social media chatbots, or even productivity tools with AI assistants. The broad idea is that every place you can converse with an AI might one day handle commerce.
• Embedded E-commerce Tools: Companies are integrating shopping into tools people already use. Shopify’s “Agentic Storefront” concept means a brand can use Shopify’s backend to sell on AI channels even if it doesn’t have a Shopify website. That way, a retailer’s products and checkout live in Shopify but can be accessed by agents anywhere. Other commerce platforms (and payment partners like Stripe, PayPal, etc.) are also building UCP support so that AI agents have lots of stores to connect to.

In practice, this means AI commerce isn’t limited to one app. We’ll see it in search engines, voice assistants, chat apps, social media feeds – essentially any interface where people are asking questions or browsing interactively. For example, Google mentions “discovering and buying to post-purchase support” on any channel (search, shopping graph, etc.) and partners like Walmart, Etsy, Wayfair and Visa are involved. Major retailers such as Best Buy and Home Depot are also supporting or endorsing UCP, further expanding the protocol’s reach. Additionally, leading payment providers including American Express, Mastercard, and Stripe are collaborating with UCP to enable secure and efficient agentic commerce solutions across platforms and retail ecosystems. The key point: UCP is already being used by major players (Google, Shopify, Microsoft, retailers) to turn AI UIs into shopping surfaces.

How Agentic Checkout Looks in Practice

One concrete example of UCP in action is Microsoft’s Copilot Checkout. This feature lets customers buy products directly inside the Copilot chat (e.g. in Bing or Windows) without redirecting to the store’s site. Under the hood, Copilot Checkout uses a protocol like UCP to communicate with the retailer’s system. When you choose to pay, the agent calls the merchant’s checkout endpoint (via UCP) to submit the order. Importantly, this happens in an embedded frame in Copilot, so the entire experience stays in the conversation window.

From the merchant’s perspective, nothing magical happens: the sale is processed by their own checkout logic, and they remain the merchant of record. Microsoft states that “you stay the merchant of record. You own the transaction, the customer data, and the relationship” with customers who buy via Copilot. This means the merchant still sets the price, payment acceptance, shipping rules, and so on – the AI is simply filling in and submitting the order. For example, Urban Outfitters and Ashley Furniture announced they will use Copilot Checkout to sell in Bing. Shopify says: “If you’re on Shopify, you’ll automatically be able to sell in Copilot Checkout – no integration needed”.

Another example is coming from Google: Shopify merchants will soon be able to sell directly in Google Search’s AI Mode and the Gemini app using UCP. This “direct shopping” feature will use Google Pay behind the scenes, and again retailers remain the seller of record. (Customers will tap or click to buy in the Google interface, but the order will be owned by the original retailer.)

The pattern is consistent: the AI interface invokes the merchant’s checkout without losing any store-specific logic. The agent acts like a friendly front-end, but fulfillment, inventory, pricing, and post-sale support stay under the merchant’s control. This model – embedded checkout with UCP – is the opposite of third-party marketplaces. The brand does not hand off its customers to a new platform; it simply enables the agent to carry out its own checkout flow as if it were another channel.

Merchant Control vs. Agent Actions

UCP explicitly preserves merchant control over core business rules. In an agentic purchase:

• Merchants keep control of products and policies. The merchant decides what to sell, at what price, and under what conditions. All product data (images, descriptions, variants, pricing) still comes from the merchant. Likewise, shipping options, return policies, tax calculations, loyalty programs, subscriptions and discount codes are defined by the merchant’s backend. These rules are passed to the agent in UCP messages, but the merchant authored them. For example, “your discount codes, shipping rules, taxes, and loyalty settings still apply – even if the purchase happens through an AI interface”.
  
• Merchants remain merchant of record. The agent never replaces the checkout host. The retailer still processes the payment (via their payment gateway) and delivers the product. As noted earlier, with Copilot Checkout the retailer “owns the transaction, the customer data, and the relationship”. This also means the retailer is responsible for packing, shipping, and support. The AI agent simply initiates the order; fulfillment happens on the merchant’s side just like any normal order.
  
• Agents control selection and timing. The AI agent’s job is to find the right products and execute the purchase when the customer wants. The agent chooses the items (based on the conversation), decides when to hit “checkout,” and can even submit multiple payment attempts with the user’s saved methods if needed. However, the agent cannot override merchant constraints. It cannot, for example, promise a faster ship date than the merchant allows, or apply a discount that is not valid. It simply reads those constraints from UCP data and respects them. If a step requires human input – say the store requires the customer to pick a delivery date or upload a custom print file – the protocol includes a “continue” URL. The agent hands control back to the customer at exactly the right step in the merchant’s original interface. The customer finishes those steps, and UCP is designed so the agent can rejoin or complete the order afterward.
  

In short, UCP lets agents do the shopping work, but merchants keep the business logic. Pricing, inventory, branding, shipping options and after-sale service all stay with the merchant. The agent handles searching, decision support, and pushing through the checkout in the background, under the merchant’s pre-set terms.

The Universal Commerce Protocol is a new way for AI and stores to work together. It turns AI assistants into active shopping agents while keeping merchants fully in control of their business. As this standard rolls out, expect to see AI-powered checkout in many places – but always with the merchant managing pricing, shipping, and fulfillment on the backend.

UCP Roadmap and Future Development

The Universal Commerce Protocol is not a static solution – it’s a living, evolving standard designed to keep pace with the rapidly changing world of commerce. The UCP roadmap is packed with innovative features aimed at enhancing both the merchant and consumer experience. Upcoming developments include support for multi-item carts, seamless account linking for loyalty and rewards programs, and advanced post-purchase support, all of which will make the shopping journey even more streamlined and personalized.

As UCP continues to grow, its open-source foundation and collaborative development process ensure that it remains responsive to the needs of the entire commerce ecosystem. Industry leaders, merchants, and technology partners are all contributing to the protocol’s evolution, helping to shape the next generation of universal commerce. By joining the UCP ecosystem, businesses can future-proof their operations, offer cutting-edge shopping experiences, and ensure they’re never left behind as the industry moves forward. For consumers, this means more choice, convenience, and support at every stage of the purchase journey – heralding a new era in the future of commerce.

Frequently Asked Questions

Is this live yet? 

UCP itself was announced in January 2026 and the first agentic shopping features are just rolling out. Google has said UCP will power “native shopping on Google Search and Gemini” soon. Microsoft’s Copilot Checkout is in limited US rollout for Shopify merchants. In practice, expect pilot programs and staged launches in 2026. It’s not fully widespread yet, but it’s already real – major players are integrating it now.

Do merchants lose customer ownership? 

Not at all. UCP is designed so that the merchant stays the seller. In every agentic purchase, the retailer remains the merchant of record. This means the store gets the money, owns the order data, and keeps the customer for marketing/loyalty. The AI is only a guided interface, not a third-party middleman. Shopify’s announcement explicitly notes that merchants “retain sovereignty” and continue to own the checkout experience.

Does this replace my website or store? 

No. Agentic commerce is an additional channel, not a substitute for your site. Customers will still visit the merchant’s website for trust, content, and richer experience. UCP is more like SEO or advertising: it helps your store appear in new places (AI chats, searches) but it doesn’t eliminate your own store. The Shopify team emphasizes that websites will remain important for branding and customer education. Think of UCP as letting more doors open to your store via AI, but you still need your storefront.

Is Shopify required to participate?

No. UCP is an open industry standard. Any merchant or platform can adopt it. Shopify is one founder and provides tools (even letting any brand use Shopify’s backend to get agentic exposure), but it’s not mandatory. In fact, by design “UCP isn’t locked to Shopify” – the whole e-commerce ecosystem can adopt it. Google, Mastercard, Visa, Stripe and others are already on board too. You don’t have to use Shopify; you just need your platform or an app/plugin to speak the UCP.

Written By:

Indy Pereira

Indy Pereira helps ecommerce brands optimize their shipping and fulfillment with Cahoot’s technology. With a background in both sales and people operations, she bridges customer needs with strategic solutions that drive growth. Indy works closely with merchants every day and brings real-world insight into what makes logistics efficient and scalable.