{
  "x402Version": 2,
  "id": 41588,
  "slug": "41588",
  "resource": "https://mpp.tracefast.xyz/api/v1/chains/1/transactions/:hash/storage-writes",
  "description": "TraceFast live Ethereum data: every contract storage slot a transaction wrote, in execution order — which contract's storage, which frame wrote it (with the address whose code ran, which on a `delegatecall` is not the storage owner), the slot, the value written, and the value the slot held before where that can be established. Path: hash. Query: limit, cursor (see docs). Docs: https://docs.tracefast.xyz/api/transaction-storage-writes.md",
  "type": "http",
  "serviceName": "TraceFast",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "200000",
      "amountUsd": 0.2,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "example": {
      "data": {
        "blockNumber": 25000000,
        "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a",
        "txIndex": 0,
        "writes": [
          {
            "callDepth": 1,
            "callPath": "0000",
            "callType": "call",
            "callerAddress": "0x9f59a6cc9538d4764cabde4ccaf6d02c8e8dddd6",
            "executionAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
            "newValue": "0x870b0fac41005ea73425300005f5af8b070066a977bb120000019de3718f4200",
            "storageAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
            "storageKey": "0xb973b814a43ee884f5bfb5464036c9b3d9e4c942000000000000000000000000",
            "valueBefore": "0x870b43983c005ea7b1d72f0005f5af8b070066a96fd1190000019de3715c5a00",
            "valueBeforeStatus": "resolved",
            "writeIndex": 0,
            "writeIndexStatus": "present"
          }
        ],
        "writesTruncated": false
      }
    },
    "type": "json"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "pathParams": {
            "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a"
          },
          "queryParams": {
            "limit": "10"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "blockNumber": 25000000,
              "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a",
              "txIndex": 0,
              "writes": [
                {
                  "callDepth": 1,
                  "callPath": "0000",
                  "callType": "call",
                  "callerAddress": "0x9f59a6cc9538d4764cabde4ccaf6d02c8e8dddd6",
                  "executionAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
                  "newValue": "0x870b0fac41005ea73425300005f5af8b070066a977bb120000019de3718f4200",
                  "storageAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
                  "storageKey": "0xb973b814a43ee884f5bfb5464036c9b3d9e4c942000000000000000000000000",
                  "valueBefore": "0x870b43983c005ea7b1d72f0005f5af8b070066a96fd1190000019de3715c5a00",
                  "valueBeforeStatus": "resolved",
                  "writeIndex": 0,
                  "writeIndexStatus": "present"
                }
              ],
              "writesTruncated": false
            }
          },
          "type": "json"
        }
      },
      "routeTemplate": "/api/v1/chains/1/transactions/:hash/storage-writes",
      "schema": {
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              }
            },
            "required": [
              "method"
            ]
          }
        }
      }
    }
  },
  "tags": [
    "blockchain",
    "ethereum",
    "address-intelligence",
    "labels",
    "entities",
    "bazaar"
  ],
  "sourceHost": "mpp.tracefast.xyz",
  "lastUpdated": "2026-10-01T12:54:01.879Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-01T12:54:01.748Z"
  },
  "metadata": {
    "serviceName": "TraceFast",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a"
            },
            "queryParams": {
              "limit": "10"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "blockNumber": 25000000,
                "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a",
                "txIndex": 0,
                "writes": [
                  {
                    "callDepth": 1,
                    "callPath": "0000",
                    "callType": "call",
                    "callerAddress": "0x9f59a6cc9538d4764cabde4ccaf6d02c8e8dddd6",
                    "executionAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
                    "newValue": "0x870b0fac41005ea73425300005f5af8b070066a977bb120000019de3718f4200",
                    "storageAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
                    "storageKey": "0xb973b814a43ee884f5bfb5464036c9b3d9e4c942000000000000000000000000",
                    "valueBefore": "0x870b43983c005ea7b1d72f0005f5af8b070066a96fd1190000019de3715c5a00",
                    "valueBeforeStatus": "resolved",
                    "writeIndex": 0,
                    "writeIndexStatus": "present"
                  }
                ],
                "writesTruncated": false
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/chains/1/transactions/:hash/storage-writes",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "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": {
      "blockNumber": 25000000,
      "hash": "0x0e646d1b52758cafe4eca236972927be572053491217fa08751d3958a1e30f0a",
      "txIndex": 0,
      "writes": [
        {
          "callDepth": 1,
          "callPath": "0000",
          "callType": "call",
          "callerAddress": "0x9f59a6cc9538d4764cabde4ccaf6d02c8e8dddd6",
          "executionAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
          "newValue": "0x870b0fac41005ea73425300005f5af8b070066a977bb120000019de3718f4200",
          "storageAddress": "0x681e908b8ab57c49c74d770f369754ccc3e1ae09",
          "storageKey": "0xb973b814a43ee884f5bfb5464036c9b3d9e4c942000000000000000000000000",
          "valueBefore": "0x870b43983c005ea7b1d72f0005f5af8b070066a96fd1190000019de3715c5a00",
          "valueBeforeStatus": "resolved",
          "writeIndex": 0,
          "writeIndexStatus": "present"
        }
      ],
      "writesTruncated": false
    }
  }
}