{
  "x402Version": 2,
  "name": "DevX x402 Preflight",
  "provider": "DevX (madebydevx.com)",
  "resources": [
    {
      "url": "https://x402-preflight.nextill-pos.workers.dev/v1/preflight",
      "method": "GET",
      "description": "x402 preflight: before your agent signs a payment, fetch a paywalled URL's 402 and lint it. Parses v1 bodies and v2 PAYMENT-REQUIRED headers, then checks each accepts[] option: known network, canonical USDC, EIP-712 domain (extra.name/version) that a signature will verify against, EIP-55 payTo, zero/contract payTo, amount sanity, timeout, testnet, resource-host mismatch. Returns ok/warn/block per option, findings and the recommended option.",
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "amount": "3000",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "payTo": "0xB3cDDccEe6B150c8efFD55B961afc0Ecefe7f247",
          "maxTimeoutSeconds": 120,
          "extra": {
            "name": "USD Coin",
            "version": "2"
          }
        }
      ]
    }
  ]
}