{
  "x402Version": 2,
  "id": 41604,
  "slug": "41604",
  "resource": "https://mpp.tracefast.xyz/api/v1/chains/1/blocks/:number/authorizations",
  "description": "TraceFast live Ethereum data: every EIP-7702 authorization-list entry carried by the transactions of one block — the delegation target, the chain id and nonce it was signed for, and the signature — in transaction order and then list order. Path number: Block height. Query limit: 1..=100, default 25; cursor: `nextCursor` of the previous page. Docs: https://docs.tracefast.xyz/api/block-authorizations.md",
  "type": "http",
  "serviceName": "TraceFast",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
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      "network": "eip155:8453",
      "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
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      "amount": "20000",
      "amountUsd": 0.02,
      "maxTimeoutSeconds": 300
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  ],
  "outputSchema": {
    "example": {
      "data": {
        "authorizations": [
          {
            "address": "0x0000000000000000000000000000000000000000",
            "chainId": 1,
            "index": 0,
            "nonce": 347,
            "r": "0x0bf5762b98b93f6f5ea1152ba9b52064c1b408482a185c321b00d0e306f8a070",
            "s": "0x337166c754845f3265eeb084639ef51f50c57cc54571c7c361733f520be859ea",
            "txNumber": 3438274450,
            "yParity": 1
          }
        ],
        "blockNumber": 25000000
      }
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    "type": "json"
  },
  "extensions": {
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      "info": {
        "input": {
          "method": "GET",
          "pathParams": {
            "number": "25000000"
          },
          "queryParams": {
            "limit": "10"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "authorizations": [
                {
                  "address": "0x0000000000000000000000000000000000000000",
                  "chainId": 1,
                  "index": 0,
                  "nonce": 347,
                  "r": "0x0bf5762b98b93f6f5ea1152ba9b52064c1b408482a185c321b00d0e306f8a070",
                  "s": "0x337166c754845f3265eeb084639ef51f50c57cc54571c7c361733f520be859ea",
                  "txNumber": 3438274450,
                  "yParity": 1
                }
              ],
              "blockNumber": 25000000
            }
          },
          "type": "json"
        }
      },
      "routeTemplate": "/api/v1/chains/1/blocks/:number/authorizations",
      "schema": {
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET"
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                "type": "string"
              },
              "pathParams": {
                "type": "object"
              }
            },
            "required": [
              "method"
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          }
        }
      }
    }
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    "blockchain",
    "ethereum",
    "address-intelligence",
    "labels",
    "entities",
    "bazaar"
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  "sourceHost": "mpp.tracefast.xyz",
  "lastUpdated": "2026-10-01T12:34:02.776Z",
  "quality": {
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    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-01T12:34:02.646Z"
  },
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    "serviceName": "TraceFast",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "number": "25000000"
            },
            "queryParams": {
              "limit": "10"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "authorizations": [
                  {
                    "address": "0x0000000000000000000000000000000000000000",
                    "chainId": 1,
                    "index": 0,
                    "nonce": 347,
                    "r": "0x0bf5762b98b93f6f5ea1152ba9b52064c1b408482a185c321b00d0e306f8a070",
                    "s": "0x337166c754845f3265eeb084639ef51f50c57cc54571c7c361733f520be859ea",
                    "txNumber": 3438274450,
                    "yParity": 1
                  }
                ],
                "blockNumber": 25000000
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/chains/1/blocks/:number/authorizations",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                }
              },
              "required": [
                "method"
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            }
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        }
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    "reliability": null
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  "verified": false,
  "featured": false,
  "provider": {
    "host": "mpp.tracefast.xyz",
    "manifest_name": "mpp.tracefast.xyz",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "data": {
      "authorizations": [
        {
          "address": "0x0000000000000000000000000000000000000000",
          "chainId": 1,
          "index": 0,
          "nonce": 347,
          "r": "0x0bf5762b98b93f6f5ea1152ba9b52064c1b408482a185c321b00d0e306f8a070",
          "s": "0x337166c754845f3265eeb084639ef51f50c57cc54571c7c361733f520be859ea",
          "txNumber": 3438274450,
          "yParity": 1
        }
      ],
      "blockNumber": 25000000
    }
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}