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UCP and Agentic Checkout

JIBE publishes the manifest and checkout endpoints that let AI agents build a cart and place an order on your store, using open standards such as UCP and ACP.

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UCP and agentic checkout implementation

Part of
Composable and Headless Commerce Builds
What you get
Working agent checkout on your store, with your pricing, tax, shipping and policy rules enforced the same way they are for people.
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Agent Governance and Evaluation
Guardrails, action logs and testing, so every agent acting for your brand can be checked and overruled.
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An on-site assistant grounded in your own catalog and policies that answers questions and builds carts.
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Commerce MCP Server Development
A Model Context Protocol server that exposes your catalog, inventory and orders to the assistants customers use.
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Taking payment from AI agents safely, through signed AP2 payment mandates and delegated card tokens.
UCP and Agentic Checkout
Publishing the manifest and checkout endpoints that let AI agents build a cart and place an order on your store.
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For an AI agent to buy from you, it needs more than a product page. It needs a machine-readable description of what your store supports, endpoints to build and update a cart and a checkout it can complete on the shopper's behalf. Open standards now define how that works.

The Universal Commerce Protocol (UCP) and the Agentic Commerce Protocol (ACP) describe how agents discover a merchant, create a checkout session and complete a purchase. We implement them on your stack so agents can transact without bypassing the rules your business depends on.

What we implement

  • Merchant manifest. The published description of your capabilities, policies and supported payment methods.
  • Checkout sessions. Endpoints for creating carts, applying discounts, calculating tax and shipping and confirming the order.
  • Order handoff. Agent orders landing in your platform, OMS and ERP like any other order, tagged so you can report on them.
  • Policy enforcement. Pricing rules, purchase limits and eligible products applied to agents as they are to people.

Platform first, custom where needed

Some platforms, including Shopify Plus, are adding agent checkout support natively. Where that covers your needs, we configure it and fill the gaps. Where you run a composable or headless stack, we build the endpoints directly. Payment is handled alongside, covered under agent payments integration.

For a plain-language comparison of the standards, read UCP, ACP and MCP explained for Shopify Plus brands.

Should my store support agentic checkout?

Who it's for

Brands that want AI agents to be able to buy from them, not just talk about them.

  • D2C brands. Brands whose customers already use assistants to shop.
  • Composable and headless stacks. Teams that need the endpoints built rather than switched on.
  • Early movers. Brands that want to learn how agent orders behave before competitors do.

What it solves

It closes the gap between being recommended by an agent and being bought from.

  • Dead-end recommendations. Agents that suggest your product but cannot complete the purchase.
  • Bypassed rules. Agent orders that skip pricing, tax or eligibility logic.
  • Invisible orders. No way to tell agent orders apart in reporting.
  • Standards confusion. Uncertainty about which protocols to support and when.

Common questions about UCP and agentic checkout

What is UCP?

UCP, the Universal Commerce Protocol, is an open standard that describes how AI agents discover a merchant's capabilities and complete a purchase. It covers the manifest, checkout sessions and order confirmation.

What is the difference between UCP and ACP?

Both define how agents check out with a merchant. ACP, the Agentic Commerce Protocol, was introduced by OpenAI and Stripe. UCP has its own backers and scope. Many brands will support more than one, and we help you decide which first.

Does agentic checkout change my existing checkout?

No. Agent checkout runs alongside your normal checkout and uses the same pricing, tax and fulfilment rules. Your customers who shop in the browser see no change.

Do I need a headless build for this?

Not always. Some platforms are adding native support. A headless or composable stack needs the endpoints built, which we handle as part of the engagement.

Related content

Article

UCP, ACP and MCP Explained for Shopify Plus Brands and Commerce Stores

A plain-language guide to the protocols behind AI shopping, what changed in 2026, what a Shopify Plus brand should do first and what can wait.

Read the article
Article

When an AI Agent Buys From Your Store, Who Do You Trust?

When an AI agent places the order, fraud rules, liability and returns change. What ecommerce finance and operations leaders need to know about agent payments.

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Article

Muse, Dots and Grok Bot and the Rise of Consumer Shopping Agents

Meta Muse, OpenAI Dots and Grok Bot can now shop for consumers. How AI shopping agents will change buying behaviour and what ecommerce brands should do now.

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Platform

Shopify Plus

Shopify's enterprise tier, built for high-volume brands that need custom checkout, multiple storefronts and B2B alongside D2C.

See the platform
Platform

OpenAI

OpenAI's models and embeddings, used in commerce for semantic search, content generation and internal tooling built around a brand's own data.

See the platform
Platform

Gemini

Google's family of AI models, used in commerce for long-context work, image understanding and features that sit close to Google Cloud data.

See the platform

Brand partners

Forging paths, in good company.

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