Eth_getFilterChanges

Get Filter Changes

post

Returns an array of logs that occurred since the last poll for the specified filter ID. The filter must have been previously created with eth_newFilter or eth_newBlockFilter or eth_newPendingTransactionFilter.

Authorizations

api-keyAuth

api-keystringRequired

Body

application/json

jsonrpcstringRequired

JSON-RPC version.

Example: 2.0

methodstringRequired

JSON-RPC method name.

Example: eth_getFilterChanges

paramsstring[] · min: 1 · max: 1Required

Parameters array with a single element:

1. The filter ID (hex string).

Example: ["0x16"]

idintegerRequired

Request identifier.

Example: 1

Responses

200

Array of log objects or transaction hashes depending on filter type

application/json

jsonrpcstringOptional

JSON-RPC version.

Example: 2.0

idintegerOptional

Request ID.

Example: 1

post/

HTTPcURLJavaScriptPython

POST / HTTP/1.1
Host: core.nownodes.io
api-key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 74

{
  "jsonrpc": "2.0",
  "method": "eth_getFilterChanges",
  "params": [
    "0x16"
  ],
  "id": 1
}

200

Array of log objects or transaction hashes depending on filter type

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "address": "0x1234567890abcdef1234567890abcdef12345678",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
      ],
      "data": "0x000000000000000000000000000000000000000000000000000000000000003e8",
      "blockNumber": "0x1b4",
      "transactionHash": "0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
      "transactionIndex": "0x0",
      "blockHash": "0xabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcdefabcd",
      "logIndex": "0x0",
      "removed": false
    }
  ]
}