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An open-source protocol developed by OpenAI and Stripe that enables AI agents to shop on your behalf. Now live with Instant Checkout in ChatGPT.
The Agentic Commerce Protocol (ACP) is an open-source standard co-developed by OpenAI and Stripe. It enables programmatic commerce flows between buyers, AI agents, and businesses. Released under the Apache 2.0 license, this protocol transforms e-commerce from the traditional 'click-to-buy' model to a 'conversation-to-buy' model.
The protocol connects four key stakeholders:
Discovers products via AI, selects items, provides payment credentials, and authorizes checkout.
Interfaces with the buyer, displays products, collects payment details, and requests checkout from the business.
Receives checkout requests, maintains merchant of record status, has acceptance/decline authority.
Relays payment credentials via secure tokens to the business. Stripe and PayPal supported.
Watch how two AI bots collaborate to shop on your behalf.
See how your brand appears in the simulation
The user tells ChatGPT what they need in natural language: 'Find me a vintage lamp under $50 for my desk.'
The AI agent scans product feeds from ACP-compatible merchants. Data enriched with Schema.org and llms.txt is prioritized.
Results are ranked organically (unsponsored). Price, stock, and delivery time are evaluated.
User selects a product, a secure payment token is created via Stripe or PayPal, and sent to the merchant.
The business confirms the order and completes the transaction as merchant of record. Tracking info is delivered via ChatGPT.
ACP is a merchant-friendly protocol:
Customer relationships, product control, and order processing remain in your hands.
Product results are unsponsored and organic. There's no pay-to-play model.
Merchants using Stripe can activate ACP with as little as one line of code.
A small commission is only charged on completed orders.
API definitions in YAML format for Agentic Checkout and Delegated Payment.
Data models for payloads, events, and reusable objects.
Integration via traditional REST or Anthropic's Model Context Protocol.
Payment credentials are never shared directly; Stripe Shared Payment Token is used.
Standardizes how AI systems access external resources.
Enables Agent-to-Agent communication.
Payment-agnostic agent-merchant payment infrastructure.
Geo Builder makes your product catalogs ACP-compatible, ensuring visibility on ChatGPT and other AI agents:
Create product feeds compliant with ACP specifications so AI agents understand your products correctly.
Enrich your product information with structured data. AI systems prioritize this format.
A standard file that tells AI crawlers how to scan your site. The AI version of robots.txt.
Prepare the technical infrastructure required for ACP integration with Geo Builder.
ChatGPT Shopping is reaching global scale. Brands that prepare early will gain competitive advantage.