{
  "x402Version": 2,
  "id": 2828,
  "slug": "2828",
  "resource": "https://x402.payperbyte.io/feeds/cctp-attestation-latency",
  "description": "Measured Circle CCTP v2 attestation latency: Fast/Standard distributions (never blended), first-party burn polling. Bounded observations; percentiles withheld below sample floor. Embedded EIP-712 receipt proves who signed the bytes, not that latency holds. Full: https://x402.payperbyte.io/feeds",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xffFf4B8Da8C165B556326453446F6940C8AFE0DB",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
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  "outputSchema": {
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            "path": "fast"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
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            "answer": {
              "coverage": {
                "status": "observed"
              },
              "distributions": {
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                  "measured_samples": 37,
                  "min_s": 0,
                  "p50_s": 1753,
                  "p95_s": 7265,
                  "p99_s": 7583,
                  "percentiles_reported": true,
                  "percentiles_withheld_because": null,
                  "samples": 27753
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                "path": "fast"
              },
              "ruleset": "cctp-lat-v1"
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              "domain": {
                "chainId": 421614,
                "name": "BYTE Library",
                "version": "1"
              },
              "payloadHash": "0x…",
              "signature": "0x…",
              "signer": "0x…"
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          "input": {
            "additionalProperties": false,
            "properties": {
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                    "description": "Optional. Narrow to one source chain. Omit for every configured chain. An unrecognized value is a 400, not a paid empty answer.",
                    "enum": [
                      "base",
                      "arbitrum",
                      "optimism"
                    ],
                    "type": "string"
                  },
                  "path": {
                    "description": "Optional. CCTP v2 settlement path. Fast and Standard are never blended — omitting this returns both as separate distributions; an unrecognized value is a 400, not a silent fallback.",
                    "enum": [
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                      "standard"
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                    "type": "string"
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                  "form-data",
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                ],
                "type": "string"
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              "method": {
                "enum": [
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                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
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            },
            "required": [
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              "method",
              "bodyType",
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            "type": "object"
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          "output": {
            "properties": {
              "example": {
                "type": "object"
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            },
            "required": [
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            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "payperbyte-service-metadata": {
      "serviceName": "PayPerByte",
      "tags": [
        "payperbyte",
        "cctp",
        "attestation-latency",
        "circle",
        "signed-measurement"
      ]
    }
  },
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    "bazaar",
    "payperbyte-service-metadata"
  ],
  "sourceHost": "x402.payperbyte.io",
  "lastUpdated": "2026-08-25T18:37:26.106Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-25T18:37:25.679Z"
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  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402.payperbyte.io",
    "manifest_name": "x402.payperbyte.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}