402utils.com

{
  "properties": {
    "description": {
      "description": "Human description advertised by the target.",
      "type": "string"
    },
    "discovery": {
      "description": "Bazaar/discovery extension object, passed through verbatim when present.",
      "type": "object"
    },
    "isX402": {
      "description": "True when the target answered 402 with decodable x402 payment requirements.",
      "type": "boolean"
    },
    "prices": {
      "description": "One entry per accepts[] payment option; fields are copied only when advertised.",
      "items": {
        "properties": {
          "amount": {
            "description": "Price in atomic units of the asset (e.g. 6-decimal USDC).",
            "type": "string"
          },
          "asset": {
            "description": "Asset contract address or identifier.",
            "type": "string"
          },
          "maxTimeoutSeconds": {
            "type": "number"
          },
          "network": {
            "description": "Network id, e.g. eip155:8453 (v2) or base-sepolia (v1).",
            "type": "string"
          },
          "payTo": {
            "type": "string"
          },
          "scheme": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": "array"
    },
    "reason": {
      "description": "Why isX402 is false despite an unusual (but definitive) response.",
      "enum": [
        "undecodable_402",
        "too_many_redirects"
      ],
      "type": "string"
    },
    "resource": {
      "description": "Resource URL advertised in the payment payload.",
      "type": "string"
    },
    "status": {
      "description": "HTTP status the target answered with.",
      "type": "integer"
    },
    "x402Version": {
      "description": "x402 protocol version (2 = PAYMENT-REQUIRED header payload, 1 = 402 body payload).",
      "type": "integer"
    }
  },
  "required": [
    "isX402",
    "status"
  ],
  "type": "object"
}