Parameters

filter ID

string

REQUIRED

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Returns

array

array

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eth_newBlockFilter

object

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blockHash

string

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eth_newPendingTransactionFilter

object

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transactionHash

string

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eth_newFilter

object

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address

string

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topics

array

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data

string

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blockNumber

string | null

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blockTimestamp

string

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transactionHash

string | null

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transactionIndex

string | null

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blockHash

string | null

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logIndex

string | null

Loading...

removed

boolean

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Request

1
curl -X POST "https://docs-demo.unichain-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_getFilterChanges",
6
  "params": [
7
    "YOUR_FILTER_ID"
8
  ],
9
  "id": 1
10
}'

1
curl -X POST "https://docs-demo.unichain-mainnet.quiknode.pro/" \
2
  -H "Content-Type: application/json" \
3
  -d '{
4
  "jsonrpc": "2.0",
5
  "method": "eth_getFilterChanges",
6
  "params": [
7
    "YOUR_FILTER_ID"
8
  ],
9
  "id": 1
10
}'

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.unichain-mainnet.quiknode.pro/");
5
    const response = await provider.send("eth_getFilterChanges", [
6
    "YOUR_FILTER_ID"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
import { ethers } from "ethers";
2

3
async function main() {
4
    const provider = new ethers.JsonRpcProvider("https://docs-demo.unichain-mainnet.quiknode.pro/");
5
    const response = await provider.send("eth_getFilterChanges", [
6
    "YOUR_FILTER_ID"
7
]);
8
    console.log(response);
9
}
10

11
main();

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.unichain-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("eth_getFilterChanges", ["YOUR_FILTER_ID"])
4
print(response)

1
from web3 import Web3, HTTPProvider
2
w3 = Web3(HTTPProvider('https://docs-demo.unichain-mainnet.quiknode.pro/'))
3
response = w3.provider.make_request("eth_getFilterChanges", ["YOUR_FILTER_ID"])
4
print(response)

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.unichain-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'eth_getFilterChanges',
10
        params: [
11
          "YOUR_FILTER_ID"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

1
import { createPublicClient, http } from 'viem'
2

3
async function main() {
4
    const client = createPublicClient({
5
        transport: http('https://docs-demo.unichain-mainnet.quiknode.pro/')
6
    })
7

8
    const result = await client.request({
9
        method: 'eth_getFilterChanges',
10
        params: [
11
          "YOUR_FILTER_ID"
12
        ]
13
    })
14

15
    console.log(result)
16
}
17

18
main()

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'eth_getFilterChanges',
7
  [
8
  "YOUR_FILTER_ID"
9
],
10
  undefined,
11
  'https://docs-demo.unichain-mainnet.quiknode.pro/'
12
)
13

14
console.log(result)

1
import { QuicknodeSdk } from '@quicknode/sdk'
2

3
const qn = new QuicknodeSdk({})
4

5
const result = await qn.rpc.call(
6
  'eth_getFilterChanges',
7
  [
8
  "YOUR_FILTER_ID"
9
],
10
  undefined,
11
  'https://docs-demo.unichain-mainnet.quiknode.pro/'
12
)
13

14
console.log(result)

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "eth_getFilterChanges",
8
        [
9
            "YOUR_FILTER_ID"
10
        ],
11
        endpoint_url="https://docs-demo.unichain-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
asyncio.run(main())

1
import asyncio
2
from quicknode_sdk import QuicknodeSdk, SdkFullConfig
3

4
async def main():
5
    qn = QuicknodeSdk(SdkFullConfig(api_key=None))
6
    result = await qn.rpc.call(
7
        "eth_getFilterChanges",
8
        [
9
            "YOUR_FILTER_ID"
10
        ],
11
        endpoint_url="https://docs-demo.unichain-mainnet.quiknode.pro/",
12
    )
13
    print(result)
14

15
asyncio.run(main())

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "eth_getFilterChanges",
7
  params: [
8
    "YOUR_FILTER_ID"
9
  ],
10
  endpoint_url: "https://docs-demo.unichain-mainnet.quiknode.pro/"
11
)
12

13
puts result

1
require "quicknode_sdk"
2

3
qn = QuicknodeSdk::SDK.from_config(api_key: nil)
4

5
result = qn.rpc.call(
6
  method: "eth_getFilterChanges",
7
  params: [
8
    "YOUR_FILTER_ID"
9
  ],
10
  endpoint_url: "https://docs-demo.unichain-mainnet.quiknode.pro/"
11
)
12

13
puts result

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "eth_getFilterChanges",
10
            Some(serde_json::json!([
11
    "YOUR_FILTER_ID"
12
])),
13
            None,
14
            Some("https://docs-demo.unichain-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

1
use quicknode_sdk::{QuicknodeSdk, SdkFullConfig};
2

3
#[tokio::main]
4
async fn main() -> Result<(), Box<dyn std::error::Error>> {
5
    let qn = QuicknodeSdk::new(&SdkFullConfig::keyless())?;
6
    let result = qn
7
        .rpc
8
        .call(
9
            "eth_getFilterChanges",
10
            Some(serde_json::json!([
11
    "YOUR_FILTER_ID"
12
])),
13
            None,
14
            Some("https://docs-demo.unichain-mainnet.quiknode.pro/".into()),
15
        )
16
        .await?;
17

18
    println!("{result}");
19
    Ok(())
20
}

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'eth_getFilterChanges',
4
    params: ["YOUR_FILTER_ID"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.unichain-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
const body = {
2
    jsonrpc: '2.0',
3
    method: 'eth_getFilterChanges',
4
    params: ["YOUR_FILTER_ID"],
5
    id: 1
6
}
7

8
async function main() {
9
    const response = await fetch('https://docs-demo.unichain-mainnet.quiknode.pro/', {
10
        method: 'POST',
11
        headers: {'Content-Type': 'application/json'},
12
        body: JSON.stringify(body)
13
    })
14
    const data = await response.json()
15
    console.log(data)
16
}
17

18
main()

1
import requests
2
import json
3

4
url = "https://docs-demo.unichain-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_getFilterChanges",
9
  "params": [
10
    "YOUR_FILTER_ID"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
import requests
2
import json
3

4
url = "https://docs-demo.unichain-mainnet.quiknode.pro/"
5

6
payload = json.dumps({
7
  "jsonrpc": "2.0",
8
  "method": "eth_getFilterChanges",
9
  "params": [
10
    "YOUR_FILTER_ID"
11
  ],
12
  "id": 1
13
})
14
headers = {
15
  'Content-Type': 'application/json'
16
}
17

18
response = requests.request("POST", url, headers=headers, data=payload)
19

20
print(response.text)

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.unichain-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_getFilterChanges",
11
  params: ["YOUR_FILTER_ID"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

1
require "uri"
2
require "json"
3
require "net/http"
4

5
uri = URI("https://docs-demo.unichain-mainnet.quiknode.pro/")
6

7
payload = {
8
  jsonrpc: "2.0",
9
  id: 1,
10
  method: "eth_getFilterChanges",
11
  params: ["YOUR_FILTER_ID"]
12
}
13

14
request = Net::HTTP::Post.new(uri)
15
request["Content-Type"] = "application/json"
16
request.body = JSON.generate(payload)
17

18
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
19
  http.request(request)
20
end
21

22
puts response.body

Response

1
{
2
  "jsonrpc": "2.0",
3
  "id": "1",
4
  "result": [
5
    {
6
      "logIndex": "0x0",
7
      "removed": false,
8
      "blockNumber": "0x233",
9
      "blockTimestamp": "0x6909eb2d",
10
      "blockHash": "0xfc139f5e2edee9e9c888d8df9a2d2226133a9bd87c88ccbd9c930d3d4c9f9ef5",
11
      "transactionHash": "0x66e7a140c8fa27fe98fde923defea7562c3ca2d6bb89798aabec65782c08f63d",
12
      "transactionIndex": "0x0",
13
      "address": "0x42699a7612a82f1d9c36148af9c77354759b210b",
14
      "data": "0x0000000000000000000000000000000000000000000000000000000000000004",
15
      "topics": [
16
        "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3"
17
      ]
18
    },
19
    {
20
      "logIndex": "0x0",
21
      "removed": false,
22
      "blockNumber": "0x238",
23
      "blockTimestamp": "0x6909eb2d",
24
      "blockHash": "0x98b0ec0f9fea0018a644959accbe69cd046a8582e89402e1ab0ada91cad644ed",
25
      "transactionHash": "0xdb17aa1c2ce609132f599155d384c0bc5334c988a6c368056d7e167e23eee058",
26
      "transactionIndex": "0x0",
27
      "address": "0x42699a7612a82f1d9c36148af9c77354759b210b",
28
      "data": "0x0000000000000000000000000000000000000000000000000000000000000007",
29
      "topics": [
30
        "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3"
31
      ]
32
    }
33
  ]
34
}

1
{
2
  "jsonrpc": "2.0",
3
  "id": "1",
4
  "result": [
5
    {
6
      "logIndex": "0x0",
7
      "removed": false,
8
      "blockNumber": "0x233",
9
      "blockTimestamp": "0x6909eb2d",
10
      "blockHash": "0xfc139f5e2edee9e9c888d8df9a2d2226133a9bd87c88ccbd9c930d3d4c9f9ef5",
11
      "transactionHash": "0x66e7a140c8fa27fe98fde923defea7562c3ca2d6bb89798aabec65782c08f63d",
12
      "transactionIndex": "0x0",
13
      "address": "0x42699a7612a82f1d9c36148af9c77354759b210b",
14
      "data": "0x0000000000000000000000000000000000000000000000000000000000000004",
15
      "topics": [
16
        "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3"
17
      ]
18
    },
19
    {
20
      "logIndex": "0x0",
21
      "removed": false,
22
      "blockNumber": "0x238",
23
      "blockTimestamp": "0x6909eb2d",
24
      "blockHash": "0x98b0ec0f9fea0018a644959accbe69cd046a8582e89402e1ab0ada91cad644ed",
25
      "transactionHash": "0xdb17aa1c2ce609132f599155d384c0bc5334c988a6c368056d7e167e23eee058",
26
      "transactionIndex": "0x0",
27
      "address": "0x42699a7612a82f1d9c36148af9c77354759b210b",
28
      "data": "0x0000000000000000000000000000000000000000000000000000000000000007",
29
      "topics": [
30
        "0x04474795f5b996ff80cb47c148d4c5ccdbe09ef27551820caa9c2f8ed149cce3"
31
      ]
32
    }
33
  ]
34
}

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