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.

Tutorials

Welcome to our hands-on tutorials. These guides walk you through implementing the Agentic Commerce Protocol from start to finish.

Learning Path

We recommend following these tutorials in order:

Your First Integration

Set up a minimal ACP implementation to understand the basics.

Building a Product Feed

Create a product feed that AI agents can discover and search.

Implementing Checkout API

Build the checkout endpoints for session management.

Handling Payment Tokens

Securely process Shared Payment Tokens.

Testing Your Integration

Verify everything works correctly.

Tutorial Guides

Your First Integration Building a Product Feed Implementing Checkout API Handling Payment Tokens Testing Your Integration

Prerequisites

Before starting these tutorials, you should have:

Basic understanding of REST APIs
Familiarity with JavaScript/TypeScript (examples use Node.js)
A Stripe account (for payment processing)
Node.js 18+ installed

💡

New to APIs and web development? Check out our Key Concepts page first.

What You’ll Build

By the end of these tutorials, you’ll have:


Your ACP Implementation
├── Product Feed Endpoint
│   └── GET /acp/v1/products
├── Checkout API
│   ├── POST /acp/v1/checkout_sessions
│   ├── GET /acp/v1/checkout_sessions/:id
│   ├── PATCH /acp/v1/checkout_sessions/:id
│   └── POST /acp/v1/checkout_sessions/:id/complete
└── Payment Handling
    └── Stripe integration with SPT support

Time Investment

Tutorial	Estimated Time
Your First Integration	30 minutes
Building a Product Feed	45 minutes
Implementing Checkout API	1 hour
Handling Payment Tokens	45 minutes
Testing Your Integration	30 minutes
Total	~4 hours

Need Help?

Getting stuck? Check the FAQ for common issues
Found a bug? Report it on GitHub
Have questions? Join the community

Let’s get started with Your First Integration!