Proof page

x402 readiness proof.

This page summarizes the public x402 readiness surface: metadata, quote behavior, payment requirement handling, settlement proof, and receipt records.

What was tested

Manifest reachability, no-payment 402 behavior, payment binding fields, external seller quote support, fresh-wallet settlement proof, and indexer-friendly GET/OPTIONS behavior.

Date tested2026-05-22
StatusPass in latest local audit
NetworkBase USDC where applicable

Public-safe JSON sample

{
  "x402": {
    "network": "base",
    "asset": "USDC",
    "flow": "request -> 402 -> signed payment -> retry -> receipt",
    "bindingFields": ["serviceId", "payloadHash", "amount", "asset", "network", "nonce", "idempotencyKey"],
    "receipt": "available after fulfilled paid call"
  }
}