What is an x402 facilitator?
An x402 facilitator is payment infrastructure that helps software, APIs and autonomous agents complete payment-gated requests using explicit payment requirements, verification, settlement state and receipts. x402Facilitator.si adds an AI-assisted operating layer while keeping wallet signing and deployment authority with the customer.
How the payment flow works
A resource can return an x402 payment requirement instead of completing a paid request immediately. The payer authorizes the required payment, the facilitator verifies the authorization and settlement policy, and the application can use the resulting state or receipt to decide when the paid resource may be delivered.
Built for agents, APIs and apps
Machine clients need deterministic states, bounded spending rules and recovery paths. x402Facilitator.si combines payment verification, customer-controlled signing, agent budgets, merchant policy, receipts, status checks and operational tooling in one facilitator workspace.
Non-custodial by design
The platform is designed so customer wallets, external signers and merchant recipients remain the authority for funds. The facilitator coordinates policy, verification and settlement workflows rather than becoming a general-purpose custodian of customer assets.
Platform documentation summary · x402Facilitator.si 0.9.215