x402 Payments
A payment flow that speaks HTTP.
Give agents a way to pay for an API request using the x402 protocol and onchain settlement.
From request to settlement.
01
Request
The agent requests a paid resource.
02
Authorize
An HTTP 402 response describes the payment. The client signs the authorization.
03
Settle
The facilitator settles the payment onchain, and the gateway records the prepayment.
04
Receive
The gateway returns the resource after the payment flow completes.
- Official x402 client and server libraries
- USDG settlement on Robinhood Chain
- Payment identity and replay protection
- A recorded prepayment contributes to credit