AP2 Documentation

Welcome to the AP2 documentation library. Start with the overview and quickstart, then drill into payment flows, compliance considerations, and integration guides.

Start here

• Introducing AP2 – background, ecosystem, and architecture
• Quickstart – run the sandbox and simulate a purchase
• Core Concepts – objects, lifecycle, and observability

Payment & compliance

• Payments Rail – deep dive into x402 orchestration, escrow, refunds, and future rails
• FAQ – answers to the most common integration questions

Build & extend

• Resources – SDKs, sample agents, reference schemas, and working group links
• Specification references:
  • Core
  • Discovery
  • Settlement Lifecycle

Need something else? Open an issue on GitHub or email [email protected].