{
  "x402Version": 2,
  "id": 33911,
  "slug": "33911",
  "resource": "https://x402.agentindex.world/base/events",
  "description": "Smart contract event logs on Base mainnet (Base contract events) via eth_getLogs - filter by contract address and up to 4 topics, up to 2,000 blocks, raw logs with topics, data, block and tx hash.",
  "type": "http",
  "serviceName": "base-events",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "address": {
            "anyOf": [
              {
                "type": "string"
              },
              {
                "type": "null"
              }
            ],
            "title": "Address"
          },
          "from_block": {
            "title": "From Block",
            "type": "integer"
          },
          "logs": {
            "items": {
              "properties": {
                "address": {
                  "title": "Address",
                  "type": "string"
                },
                "block_number": {
                  "title": "Block Number",
                  "type": "integer"
                },
                "data": {
                  "title": "Data",
                  "type": "string"
                },
                "log_index": {
                  "title": "Log Index",
                  "type": "integer"
                },
                "topics": {
                  "items": {
                    "type": "string"
                  },
                  "title": "Topics",
                  "type": "array"
                },
                "transaction_hash": {
                  "title": "Transaction Hash",
                  "type": "string"
                }
              },
              "required": [
                "address",
                "topics",
                "data",
                "block_number",
                "transaction_hash",
                "log_index"
              ],
              "title": "LogEntry",
              "type": "object"
            },
            "title": "Logs",
            "type": "array"
          },
          "to_block": {
            "title": "To Block",
            "type": "integer"
          },
          "topics": {
            "items": {
              "anyOf": [
                {
                  "type": "string"
                },
                {
                  "type": "null"
                }
              ]
            },
            "title": "Topics",
            "type": "array"
          }
        },
        "required": [
          "address",
          "topics",
          "from_block",
          "to_block",
          "logs"
        ],
        "title": "EventsOutput",
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "from_block": 52118214,
            "to_block": 52118214,
            "topics": [
              "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            ]
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "from_block": 52118214,
            "logs": [
              {
                "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
                "block_number": 52118214,
                "data": "0x00000000000000000000000000000000000000000000000000000000000003e8",
                "log_index": 234,
                "topics": [
                  "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
                  "0x0000000000000000000000003cedc3cba49c3809ee46b9bf60da75d6607b45ec",
                  "0x000000000000000000000000b3f32bdfe8d07825bc0d7387295ab1d7559ba69d"
                ],
                "transaction_hash": "0xc2490a8a0aedd1196617a0e52111f82d6059986db7f1713ab23221c91c42f5c4"
              }
            ],
            "to_block": 52118214,
            "topics": [
              "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "address": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "default": null,
                    "title": "Address"
                  },
                  "from_block": {
                    "minimum": 0,
                    "title": "From Block",
                    "type": "integer"
                  },
                  "to_block": {
                    "minimum": 0,
                    "title": "To Block",
                    "type": "integer"
                  },
                  "topics": {
                    "items": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "maxItems": 4,
                    "title": "Topics",
                    "type": "array"
                  }
                },
                "required": [
                  "from_block",
                  "to_block"
                ],
                "title": "EventsInput",
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "address": {
                    "anyOf": [
                      {
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "title": "Address"
                  },
                  "from_block": {
                    "title": "From Block",
                    "type": "integer"
                  },
                  "logs": {
                    "items": {
                      "properties": {
                        "address": {
                          "title": "Address",
                          "type": "string"
                        },
                        "block_number": {
                          "title": "Block Number",
                          "type": "integer"
                        },
                        "data": {
                          "title": "Data",
                          "type": "string"
                        },
                        "log_index": {
                          "title": "Log Index",
                          "type": "integer"
                        },
                        "topics": {
                          "items": {
                            "type": "string"
                          },
                          "title": "Topics",
                          "type": "array"
                        },
                        "transaction_hash": {
                          "title": "Transaction Hash",
                          "type": "string"
                        }
                      },
                      "required": [
                        "address",
                        "topics",
                        "data",
                        "block_number",
                        "transaction_hash",
                        "log_index"
                      ],
                      "title": "LogEntry",
                      "type": "object"
                    },
                    "title": "Logs",
                    "type": "array"
                  },
                  "to_block": {
                    "title": "To Block",
                    "type": "integer"
                  },
                  "topics": {
                    "items": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "title": "Topics",
                    "type": "array"
                  }
                },
                "required": [
                  "address",
                  "topics",
                  "from_block",
                  "to_block",
                  "logs"
                ],
                "title": "EventsOutput",
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base rpc",
    "event logs base",
    "eth_getLogs",
    "filter logs",
    "base mainnet",
    "bazaar"
  ],
  "sourceHost": "x402.agentindex.world",
  "lastUpdated": "2026-10-10T23:10:39.68Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-10T23:10:39.454Z"
  },
  "metadata": {
    "serviceName": "base-events",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "from_block": 52118214,
              "to_block": 52118214,
              "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "from_block": 52118214,
              "logs": [
                {
                  "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
                  "block_number": 52118214,
                  "data": "0x00000000000000000000000000000000000000000000000000000000000003e8",
                  "log_index": 234,
                  "topics": [
                    "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
                    "0x0000000000000000000000003cedc3cba49c3809ee46b9bf60da75d6607b45ec",
                    "0x000000000000000000000000b3f32bdfe8d07825bc0d7387295ab1d7559ba69d"
                  ],
                  "transaction_hash": "0xc2490a8a0aedd1196617a0e52111f82d6059986db7f1713ab23221c91c42f5c4"
                }
              ],
              "to_block": 52118214,
              "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "address": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "default": null,
                      "title": "Address"
                    },
                    "from_block": {
                      "minimum": 0,
                      "title": "From Block",
                      "type": "integer"
                    },
                    "to_block": {
                      "minimum": 0,
                      "title": "To Block",
                      "type": "integer"
                    },
                    "topics": {
                      "items": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "maxItems": 4,
                      "title": "Topics",
                      "type": "array"
                    }
                  },
                  "required": [
                    "from_block",
                    "to_block"
                  ],
                  "title": "EventsInput",
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "address": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ],
                      "title": "Address"
                    },
                    "from_block": {
                      "title": "From Block",
                      "type": "integer"
                    },
                    "logs": {
                      "items": {
                        "properties": {
                          "address": {
                            "title": "Address",
                            "type": "string"
                          },
                          "block_number": {
                            "title": "Block Number",
                            "type": "integer"
                          },
                          "data": {
                            "title": "Data",
                            "type": "string"
                          },
                          "log_index": {
                            "title": "Log Index",
                            "type": "integer"
                          },
                          "topics": {
                            "items": {
                              "type": "string"
                            },
                            "title": "Topics",
                            "type": "array"
                          },
                          "transaction_hash": {
                            "title": "Transaction Hash",
                            "type": "string"
                          }
                        },
                        "required": [
                          "address",
                          "topics",
                          "data",
                          "block_number",
                          "transaction_hash",
                          "log_index"
                        ],
                        "title": "LogEntry",
                        "type": "object"
                      },
                      "title": "Logs",
                      "type": "array"
                    },
                    "to_block": {
                      "title": "To Block",
                      "type": "integer"
                    },
                    "topics": {
                      "items": {
                        "anyOf": [
                          {
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "title": "Topics",
                      "type": "array"
                    }
                  },
                  "required": [
                    "address",
                    "topics",
                    "from_block",
                    "to_block",
                    "logs"
                  ],
                  "title": "EventsOutput",
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402.agentindex.world",
    "manifest_name": "x402.agentindex.world",
    "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": {
      "address": null,
      "from_block": 0,
      "logs": [
        {
          "address": "string",
          "block_number": 0,
          "data": "string",
          "log_index": 0,
          "topics": [
            "string"
          ],
          "transaction_hash": "string"
        }
      ],
      "to_block": 0,
      "topics": [
        "value"
      ]
    },
    "type": "string"
  }
}