Skip to main content

eth_getFilterChanges RPC Method

Polling method for a filter, which returns an array of events that have occurred since the last poll.

Updated on
Oct 26, 2026

Parameters

filter ID
string
REQUIRED

The filter id that is returned from eth_newFilter, eth_newBlockFilter Create a filter with eth_newFilter on this endpoint first, then replace YOUR_FILTER_ID with the returned ID before it expires.

Returns

result
array

Changes since the last poll. Log filters return log objects; block and pending-transaction filters return hashes. An empty array means there are no new changes.

address
string

The address from which this log originated

topics
array

An array of (0 to 4) 32 Bytes DATA of indexed log arguments. (In solidity: The first topic is the hash of the signature of the event (e.g. Deposit(address,bytes32,uint256)), except you declared the event with the anonymous specifier)

data
string

It contains one or more 32 Bytes non-indexed arguments of the log

blockNumber
string

The block number where this log was in. null when its pending. Null when it's a pending log

transactionHash
string

The hash of the transaction from which this log was created from. null if the log is pending

transactionIndex
string

The integer of the transaction's index position that the log was created from. Null when it's a pending log

blockHash
string

The hash of the block where this log was in. Null when it's a pending log

logIndex
string

The integer of the log index position in the block. Null when it's a pending log

removed
boolean

It is true if log was removed, due to a chain reorganization and false if it's a valid log

blockTimestamp
string

Timestamp of the containing block, encoded as hexadecimal.

Request
Response
1
{
2
"jsonrpc": "2.0",
3
"id": 1,
4
"result": [
5
{
6
"address": "0x0000000000000000000000000000000000002002",
7
"topics": [
8
"0xe34918ff1c7084970068b53fd71ad6d8b04e9f15d3886cbf006443e6cdc52ea6",
9
"0x0000000000000000000000006afc5949c97c004d7de8deecd4256c018fa58e10"
10
],
11
"data": "0x0000000000000000000000000000000000000000000000003782dace9d900000",
12
"blockHash": "0x464dc0fc78ef448e18597261ac67ecfdf3c5a6ba0a86d30947ca4d379f0fc46b",
13
"blockNumber": "0x50000",
14
"blockTimestamp": "0x6a8e16c4",
15
"transactionHash": "0x5d005403489e1bc301344d2b51fa7f403372cf4e7941c2861aa320f1605c9dd4",
16
"transactionIndex": "0x0",
17
"logIndex": "0x2",
18
"removed": false
19
}
20
]
21
}
1
{
2
"jsonrpc": "2.0",
3
"id": 1,
4
"result": [
5
{
6
"address": "0x0000000000000000000000000000000000002002",
7
"topics": [
8
"0xe34918ff1c7084970068b53fd71ad6d8b04e9f15d3886cbf006443e6cdc52ea6",
9
"0x0000000000000000000000006afc5949c97c004d7de8deecd4256c018fa58e10"
10
],
11
"data": "0x0000000000000000000000000000000000000000000000003782dace9d900000",
12
"blockHash": "0x464dc0fc78ef448e18597261ac67ecfdf3c5a6ba0a86d30947ca4d379f0fc46b",
13
"blockNumber": "0x50000",
14
"blockTimestamp": "0x6a8e16c4",
15
"transactionHash": "0x5d005403489e1bc301344d2b51fa7f403372cf4e7941c2861aa320f1605c9dd4",
16
"transactionIndex": "0x0",
17
"logIndex": "0x2",
18
"removed": false
19
}
20
]
21
}
Don't have an account yet?
Create your Quicknode endpoint in seconds and start building
Get started for free