As of May 1, 2026, this WebSocket method is billed based on metered data usage: 0.1 MB = 15 API credits. Learn more about WebSocket billing.

Parameters

filters

string

The filter criteria for the logs to receive results by account type. Only one of the following filter can be passed at a time. The following filters types are currently supported:

all

string

Subscribe to all transactions

allWithVotes

string

Subscribe to all transactions. Same as all

object

object

An object with the following field:

mentions

array

Subscribe to all transactions that mention the provided address (as base-58 encoded string). The mentions field currently only supports one address string per method call. Listing additional addresses will result in an error

encoding

The encoding format for account data. It can be one of base58 (slow), base64, base64+zstd or jsonParsed

object

array

An object with the following fields:

commitment

string

The level of commitment required for the query. The options include:

finalized

string

The node will query the most recent block the cluster has recognized as finalized

confirmed

string

The node will query the most recent block that has been voted on by the supermajority of the cluster

processed

string

The node will query its most recent block. Note that the block may not be complete

Returns

result

integer

The result will be an RpcResponse JSON object with id equal to the subscription id (needed to unsubscribe)

Notification Format:

object

The notification will be an RpcResponse JSON object with value equal to

signature

string

The transaction signature base58 encoded

err

object

Error if transaction failed, null if transaction succeeded

logs

array

An array of log messages the transaction instructions output during execution, null if simulation failed before the transaction was able to execute (for example due to an invalid blockhash or signature verification failure)

Request

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const publicKey = new web3.PublicKey(
4
    "E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk"
5
  );
6
  const solanaConnection = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/", {
7
    wsEndpoint: "",
8
  });
9
  solanaConnection.onLogs(
10
    publicKey,
11
    (logs, context) => console.log("Updated account info: ", logs),
12
    "finalized"
13
  );
14
})();
15

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const publicKey = new web3.PublicKey(
4
    "E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk"
5
  );
6
  const solanaConnection = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/", {
7
    wsEndpoint: "",
8
  });
9
  solanaConnection.onLogs(
10
    publicKey,
11
    (logs, context) => console.log("Updated account info: ", logs),
12
    "finalized"
13
  );
14
})();
15

1
import { createSolanaRpcSubscriptions, address } from '@solana/kit';
2

3
const rpcSubscriptions = createSolanaRpcSubscriptions('');
4

5
async function main() {
6
    const publicKeyString = address('E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk');
7
    const abortController = new AbortController();
8

9
    const subscription = await rpcSubscriptions
10
        .logsNotifications({ mentions: [publicKeyString] })
11
        .subscribe(
12
            { abortSignal: abortController.signal }
13
        );
14

15
        try {
16
            for await (const notification of subscription) {
17
                console.log("Updated account info: ", notification);
18
            }
19
        } catch (e) {
20
            console.error("Error in logs subscription:", e);
21
        } finally {
22
            abortController.abort();
23
            console.log('Unsubscribed from logs');
24
        }
25
}
26

27
main();

1
import { createSolanaRpcSubscriptions, address } from '@solana/kit';
2

3
const rpcSubscriptions = createSolanaRpcSubscriptions('');
4

5
async function main() {
6
    const publicKeyString = address('E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk');
7
    const abortController = new AbortController();
8

9
    const subscription = await rpcSubscriptions
10
        .logsNotifications({ mentions: [publicKeyString] })
11
        .subscribe(
12
            { abortSignal: abortController.signal }
13
        );
14

15
        try {
16
            for await (const notification of subscription) {
17
                console.log("Updated account info: ", notification);
18
            }
19
        } catch (e) {
20
            console.error("Error in logs subscription:", e);
21
        } finally {
22
            abortController.abort();
23
            console.log('Unsubscribed from logs');
24
        }
25
}
26

27
main();

1
import solana
2
import asyncio
3
from asyncstdlib import enumerate
4
from solana.rpc.websocket_api import connect
5

6
async def main():
7
    async with connect("") as websocket:
8
        await websocket.log_subscribe()
9
        first_resp = await websocket.recv()
10
        subscription_id = first_resp.result
11
        async for idx, msg in enumerate(websocket):
12
            print(msg)
13

14
asyncio.run(main())

1
import solana
2
import asyncio
3
from asyncstdlib import enumerate
4
from solana.rpc.websocket_api import connect
5

6
async def main():
7
    async with connect("") as websocket:
8
        await websocket.log_subscribe()
9
        first_resp = await websocket.recv()
10
        subscription_id = first_resp.result
11
        async for idx, msg in enumerate(websocket):
12
            print(msg)
13

14
asyncio.run(main())

1
wscat -c  \ 
2
# wait for connection 
3
{"jsonrpc": "2.0", "id": 1, "method": "logsSubscribe", "params": [{"mentions": ["E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk"]}, {"commitment": "finalized"}]}

1
wscat -c  \ 
2
# wait for connection 
3
{"jsonrpc": "2.0", "id": 1, "method": "logsSubscribe", "params": [{"mentions": ["E645TckHQnDcavVv92Etc6xSWQaq8zzPtPRGBheviRAk"]}, {"commitment": "finalized"}]}

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": 24040,
4
  "id": 1
5
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": 24040,
4
  "id": 1
5
}

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