Documentation

Developer documentation.

Guides for x402 payment requirements, PayAccept Trust Layer extensions, hosted checkout, receipts, webhooks, sandbox and production environments, and Protocol Router orchestration.

npm install @payaccept/x402

Request → 402 → Pay → Verify → Access → Receipt

Documentation areas

AgentPay / x402 gateway API
SDK, CLI, and x402 middleware
Hosted checkout
Trust Layer (binding, replay protection, delivery proof, reconciliation)
Protocol Router (x402, AP2, ACP orchestration)
Receipts, webhooks, sandbox and production

Quickstart What is x402?