What is the Agentic Commerce Protocol?

The Agentic Commerce Protocol (ACP) is an open standard co-developed by OpenAI and Stripe that enables AI agents to complete commercial transactions on behalf of users. It consists of three specifications: Product Feed, Agentic Checkout, and Delegated Payment.

Yes, the protocol specification is free and open source (Apache 2.0). Standard payment processing fees apply when using Stripe for payments.

Do merchants keep their customer relationships with ACP?

Yes, merchants remain the merchant of record and keep full control over customer relationships, including customer data, emails, and support.

How are payments secured in ACP?

ACP uses Shared Payment Tokens (SPTs) that are merchant-specific, amount-limited, time-limited, and single-use. The AI agent never sees actual payment credentials.

Which AI assistants support ACP?

ChatGPT supports ACP via its Instant Checkout feature. As an open standard, any AI platform can implement ACP support.

Product Feed Specification

Define how merchants share structured product data with AI agents for discovery and purchase.

Delivery Format

Format	Extension	Description
JSON Lines	`.jsonl.gz`	One JSON object per line, gzip compressed
CSV	`.csv.gz`	Comma-separated values, gzip compressed

Update frequency: Up to every 15 minutes.

Required Fields

Field	Type	Description
`id`	string	Unique identifier (max 100 chars)
`title`	string	Product name (max 150 chars)
`description`	string	Full description (max 5000 chars)
`link`	URL	Product page URL
`image_link`	URL	Main image (JPEG/PNG)
`price`	string	Price with currency (“29.99 USD”)
`availability`	enum	`in_stock`, `out_of_stock`, `preorder`
`enable_search`	bool	Allow AI discovery
`enable_checkout`	bool	Allow direct purchase

Example


{
  "id": "SKU001",
  "title": "Nike Air Max 90",
  "description": "Classic running shoe with visible Air cushioning.",
  "link": "https://example.com/products/nike-air-max-90",
  "image_link": "https://example.com/images/air-max-90.jpg",
  "price": "129.99 USD",
  "availability": "in_stock",
  "enable_search": true,
  "enable_checkout": true,
  "brand": "Nike",
  "product_category": "Apparel > Shoes > Athletic",
  "seller_privacy_policy": "https://example.com/privacy",
  "seller_tos": "https://example.com/terms"
}

Recommended Fields

Field	Type	Description
`brand`	string	Product brand
`gtin`	string	Universal product code
`product_category`	string	Category path using ”>“
`product_review_count`	int	Number of reviews
`product_review_rating`	float	Average rating (0-5)
`seller_privacy_policy`	URL	Required for checkout
`seller_tos`	URL	Required for checkout

Prohibited Content

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Not allowed: adult content, weapons, prescription medications, illegal goods, counterfeit products.