{
  "kind": "negative",
  "name": "wrong-binding",
  "description": "The exact scheme cannot use the escrow binding.",
  "schema": "https://kaspa-x402.org/schemas/payment-required.schema.json",
  "expectedError": "invalid_kaspa_x402_binding",
  "value": {
    "x402Version": 2,
    "resource": {
      "url": "https://api.example.com/download.bin"
    },
    "accepts": [
      {
        "scheme": "exact",
        "network": "kaspa:testnet-10",
        "amount": "1000000",
        "asset": "KAS",
        "payTo": "kaspatest:qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
        "maxTimeoutSeconds": 60,
        "extra": {
          "binding": "kaspa-escrow-v1",
          "templateId": "kaspa-x402-escrow-v1",
          "serverPublicKey": "4444444444444444444444444444444444444444444444444444444444444444",
          "minDepositSompi": "90000000",
          "refundTimeoutDaa": "123456789"
        }
      }
    ]
  }
}