Get paid when agents call your API

# Agent calls your paywalled endpoint
$ curl https://myproceeds.xyz/api/x402/pay/{service}/{route}

HTTP/1.1 402 Payment Required
payment-required: <base64 challenge>
{
  "x402Version": 2,
  "accepts": [{
    "scheme": "exact",
    "network": "eip155:8453",
    "amount": "20000",
    "asset": "0x8335…2913",
    "payTo": "0xYourWallet"
  }]
}

# Agent signs an EIP-3009 authorization and retries
$ curl -H "Payment-Signature: <signed authorization>" ...

HTTP/1.1 200 OK
{ "data": "...your response..." }