ACP Instant Checkout Flow

Agentic Commerce Protocol: browse feed, delegated auth, tokenized checkout, and order confirmation

ACP Instant Checkout Flow Agentic Commerce Protocol: browse feed, delegated auth, tokenized checkout, and order confirmation find a product read product feed catalog items OAuth consent to check out request delegated token scoped payment token create checkout + token process payment on token payment authorized order confirmed show order Discover Delegated auth Checkout + settle Buyer · shopper on AI surface · Sequence participant Buyer shopper on AI surface AI Agent · ChatGPT surface · Sequence participant AI Agent ChatGPT surface Business · merchant checkout · Sequence participant Business merchant checkout Payments · provider + token · Sequence participant Payments provider + token Legend request return security async trace

One Feed, Any Agent

  • • The merchant publishes a single product feed
  • • Any ACP-compatible agent can browse it
  • • Build once, distribute to every AI surface

Delegated, Scoped Tokens

  • • OAuth consent authorizes the agent to act
  • • The credential becomes a permissioned token
  • • Every use is programmatically controlled and logged

Merchant Owns Checkout

  • • The business runs its own cart and checkout
  • • It charges the token it receives
  • • The buyer never leaves the AI surface

Sequence diagram • Built with Archify • Create yours ↗ • Hover to trace • R route • Click to focus • +/− zoom • M radar • [/] views • P play story • T theme • E export