{
  "x402Version": 2,
  "id": 37589,
  "slug": "37589",
  "resource": "https://api.vextorium.com/v1/contract-events",
  "description": "Latest events emitted by an EVM contract from the event signature (e.g. Transfer(address indexed from,address indexed to,uint256 value)), decoded with parameter names, block and transaction hash, over the last N blocks.",
  "type": "http",
  "serviceName": "Vextorium",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "5000",
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    },
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      "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
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      "maxTimeoutSeconds": 604900
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    {
      "scheme": "exact",
      "network": "eip155:5042",
      "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
      "asset": "0x3600000000000000000000000000000000000000",
      "amount": "5000",
      "maxTimeoutSeconds": 604900
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "contract": {
            "type": [
              "string",
              "null"
            ]
          },
          "event": {
            "type": [
              "string",
              "null"
            ]
          },
          "events": {
            "items": {
              "properties": {
                "block": {
                  "type": [
                    "null",
                    "number"
                  ]
                },
                "hash": {
                  "type": [
                    "null",
                    "string"
                  ]
                },
                "values": {
                  "properties": {
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                      "type": [
                        "null",
                        "string"
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                    "to": {
                      "type": [
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                        "string"
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                "object"
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          "found": {
            "type": [
              "number",
              "null"
            ]
          },
          "network": {
            "type": [
              "string",
              "null"
            ]
          },
          "note": {
            "type": [
              "string",
              "null"
            ]
          },
          "reviewed_blocks": {
            "type": [
              "number",
              "null"
            ]
          },
          "topic0": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": [
          "object",
          "null"
        ]
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
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        "input": {
          "body": {
            "blocks": 20,
            "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "event": "Transfer(address indexed from,address indexed to,uint256 value)",
            "limit": 3,
            "network": "base"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "event": "Transfer(address,address,uint256)",
            "events": [
              {
                "block": 52083754,
                "hash": "0x359530c6c0662f964433082b08488f565b893a9c54083a6edb12b3e04a8333d5",
                "values": {
                  "from": "0x61040E143A77F165Ba44543AF4A079F2C809D14b",
                  "to": "0x41D4934322f2bd6fE1dbe4124070FE61651A2067",
                  "value": "83126144588"
                }
              },
              {
                "block": 52083754,
                "hash": "0x48d57ad6140d5c2a949f7ce0dcdfff54cc13f75010a762428c9080f0ac26e5fe",
                "values": {
                  "from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
                  "to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
                  "value": "149022949510"
                }
              }
            ],
            "found": 1957,
            "network": "base",
            "note": "Dynamic values (non-indexed string/bytes) are returned as a raw word.",
            "reviewed_blocks": 20,
            "topic0": "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
          },
          "type": "json"
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        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "blocks": {
                    "description": "Blocks back (10-5000, default 2000)",
                    "type": "integer"
                  },
                  "contract": {
                    "type": "string"
                  },
                  "event": {
                    "description": "Event signature with indexed markers and names",
                    "type": "string"
                  },
                  "limit": {
                    "description": "Events (1-200, default 50)",
                    "type": "integer"
                  },
                  "network": {
                    "enum": [
                      "base",
                      "ethereum",
                      "arbitrum",
                      "optimism",
                      "polygon"
                    ],
                    "type": "string"
                  }
                },
                "required": [
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                  "event"
                ]
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "contract": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "event": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "events": {
                    "items": {
                      "properties": {
                        "block": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "hash": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "values": {
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                              ]
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                            "to": {
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                                "null",
                                "string"
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                            },
                            "value": {
                              "type": [
                                "null",
                                "string"
                              ]
                            }
                          },
                          "type": [
                            "null",
                            "object"
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                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "type": [
                      "array",
                      "null"
                    ]
                  },
                  "found": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "network": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "note": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "reviewed_blocks": {
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "topic0": {
                    "type": [
                      "string",
                      "null"
                    ]
                  }
                },
                "type": [
                  "object",
                  "null"
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              "type": {
                "type": "string"
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            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "events",
    "logs",
    "evm",
    "monitoring",
    "devtools",
    "bazaar"
  ],
  "sourceHost": "api.vextorium.com",
  "lastUpdated": "2026-10-05T23:27:16.894Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-05T23:27:16.413Z"
  },
  "metadata": {
    "serviceName": "Vextorium",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "blocks": 20,
              "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "event": "Transfer(address indexed from,address indexed to,uint256 value)",
              "limit": 3,
              "network": "base"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "event": "Transfer(address,address,uint256)",
              "events": [
                {
                  "block": 52083754,
                  "hash": "0x359530c6c0662f964433082b08488f565b893a9c54083a6edb12b3e04a8333d5",
                  "values": {
                    "from": "0x61040E143A77F165Ba44543AF4A079F2C809D14b",
                    "to": "0x41D4934322f2bd6fE1dbe4124070FE61651A2067",
                    "value": "83126144588"
                  }
                },
                {
                  "block": 52083754,
                  "hash": "0x48d57ad6140d5c2a949f7ce0dcdfff54cc13f75010a762428c9080f0ac26e5fe",
                  "values": {
                    "from": "0x787fD1dc3b533171781e4Ae1A563c1AC7b4435E4",
                    "to": "0xb2cc224c1c9feE385f8ad6a55b4d94E92359DC59",
                    "value": "149022949510"
                  }
                }
              ],
              "found": 1957,
              "network": "base",
              "note": "Dynamic values (non-indexed string/bytes) are returned as a raw word.",
              "reviewed_blocks": 20,
              "topic0": "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "blocks": {
                      "description": "Blocks back (10-5000, default 2000)",
                      "type": "integer"
                    },
                    "contract": {
                      "type": "string"
                    },
                    "event": {
                      "description": "Event signature with indexed markers and names",
                      "type": "string"
                    },
                    "limit": {
                      "description": "Events (1-200, default 50)",
                      "type": "integer"
                    },
                    "network": {
                      "enum": [
                        "base",
                        "ethereum",
                        "arbitrum",
                        "optimism",
                        "polygon"
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                    "event"
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                  ],
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                },
                "method": {
                  "enum": [
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                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "contract": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "event": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "events": {
                      "items": {
                        "properties": {
                          "block": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "hash": {
                            "type": [
                              "null",
                              "string"
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              },
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              "type": "object"
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          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.vextorium.com",
    "manifest_name": "api.vextorium.com",
    "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": {
    "example": {
      "contract": "string",
      "event": "string",
      "events": [
        {
          "block": null,
          "hash": null,
          "values": {
            "from": null,
            "to": null,
            "value": null
          }
        }
      ],
      "found": 0,
      "network": "string",
      "note": "string",
      "reviewed_blocks": 0,
      "topic0": "string"
    },
    "type": "string"
  }
}