x402 Payment Schemes Specification
protocol-specificationproduction
Technical specification for different x402 payment flow types including exact payments, deferred settlements, and multi-chain payment schemes.
Last verified on 2026-01-28
What It Is
Technical specification for different x402 payment flow types including exact payments, deferred settlements, and multi-chain payment schemes.
How It Fits in x402
specificationprotocol-core
both
Network
any
Developer Notes
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specification
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About x402 Guild
x402 Guild is a community-driven effort to maintain an open x402 dataset and a periodic “State of x402” report.