getFeeForMessage RPC Method

Please note that this method is only available in solana-core v1.9 or newer. Please use getFees for solana-core v1.8

Parameters

message

string

REQUIRED

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object

object

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commitment

string

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maxSupportedTransactionVersion

number

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Returns

result

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context

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apiVersion

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slot

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value

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Request

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  -d '
5
    {
6
      "id":1,
7
      "jsonrpc":"2.0",
8
      "method":"getFeeForMessage",
9
      "params":[
10
        "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
11
        {
12
          "commitment":"processed"
13
        }
14
      ]
15
    }
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'

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  -d '
5
    {
6
      "id":1,
7
      "jsonrpc":"2.0",
8
      "method":"getFeeForMessage",
9
      "params":[
10
        "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
11
        {
12
          "commitment":"processed"
13
        }
14
      ]
15
    }
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'

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

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

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
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  "id": 1,
14
  "jsonrpc": "2.0",
15
  "method": "getFeeForMessage",
16
  "params": [
17
    "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
18
    {
19
      "commitment": "processed"
20
    }
21
  ]
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})
23

24
response = https.request(request)
25
puts response.read_body
26

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

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

7
https = Net::HTTP.new(url.host, url.port)
8
https.use_ssl = true
9

10
request = Net::HTTP::Post.new(url)
11
request["Content-Type"] = "application/json"
12
request.body = JSON.dump({
13
  "id": 1,
14
  "jsonrpc": "2.0",
15
  "method": "getFeeForMessage",
16
  "params": [
17
    "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
18
    {
19
      "commitment": "processed"
20
    }
21
  ]
22
})
23

24
response = https.request(request)
25
puts response.read_body
26

1
import { createSolanaRpc, GetFeeForMessageApi, Rpc, TransactionMessageBytesBase64 } from "@solana/kit";
2

3
async function getFeeForMessageExample() {
4

5
  const rpc: Rpc<GetFeeForMessageApi> = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
6

7
  const message: TransactionMessageBytesBase64 = "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA" as TransactionMessageBytesBase64;
8
  try {
9
    const feeResult = await rpc.getFeeForMessage(message, { commitment: 'processed' }).send();
10
    console.log("Fee for message:", feeResult);
11
  } catch (error) {
12
    console.error("Error:", error);
13
  }
14
}
15

16
getFeeForMessageExample();

1
import { createSolanaRpc, GetFeeForMessageApi, Rpc, TransactionMessageBytesBase64 } from "@solana/kit";
2

3
async function getFeeForMessageExample() {
4

5
  const rpc: Rpc<GetFeeForMessageApi> = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
6

7
  const message: TransactionMessageBytesBase64 = "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA" as TransactionMessageBytesBase64;
8
  try {
9
    const feeResult = await rpc.getFeeForMessage(message, { commitment: 'processed' }).send();
10
    console.log("Fee for message:", feeResult);
11
  } catch (error) {
12
    console.error("Error:", error);
13
  }
14
}
15

16
getFeeForMessageExample();

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
4
  const YOUR_TRANSACTION = new Transaction();
5
  const YOUR_MESSAGE = YOUR_TRANSACTION.compileMessage();
6
  console.log(await solana.getFeeForMessage(YOUR_MESSAGE));
7
})();
8

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
4
  const YOUR_TRANSACTION = new Transaction();
5
  const YOUR_MESSAGE = YOUR_TRANSACTION.compileMessage();
6
  console.log(await solana.getFeeForMessage(YOUR_MESSAGE));
7
})();
8

1
from solana.rpc.api import Client
2
from solana.keypair import Keypair
3
from solana.system_program import TransferParams, transfer
4
from solana.transaction import Transaction
5
sender, receiver = Keypair.from_seed(bytes(PublicKey(1))), Keypair.from_seed(bytes(PublicKey(2)))
6
txn = Transaction().add(transfer(TransferParams(from_pubkey=sender.public_key, to_pubkey=receiver.public_key, lamports=1000)))
7
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
8
print(solana_client.get_fee_for_message(txn.compile_message()))

1
from solana.rpc.api import Client
2
from solana.keypair import Keypair
3
from solana.system_program import TransferParams, transfer
4
from solana.transaction import Transaction
5
sender, receiver = Keypair.from_seed(bytes(PublicKey(1))), Keypair.from_seed(bytes(PublicKey(2)))
6
txn = Transaction().add(transfer(TransferParams(from_pubkey=sender.public_key, to_pubkey=receiver.public_key, lamports=1000)))
7
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
8
print(solana_client.get_fee_for_message(txn.compile_message()))

1
use reqwest::header;
2
use reqwest::Client;
3
use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
7
    let mut headers = header::HeaderMap::new();
8
    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "id": 1,
14
        "jsonrpc": "2.0",
15
        "method": "getFeeForMessage",
16
        "params": [
17
            "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
18
            {
19
                "commitment": "processed"
20
            }
21
        ]
22
    }
23
    "#;
24
    let response = client
25
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
26
        .headers(headers)
27
        .body(json_data)
28
        .send()
29
        .await?; 
30

31
    let body = response.text().await?;
32
    println!("{}", body);
33

34
    Ok(())
35
}
36

1
use reqwest::header;
2
use reqwest::Client;
3
use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
7
    let mut headers = header::HeaderMap::new();
8
    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "id": 1,
14
        "jsonrpc": "2.0",
15
        "method": "getFeeForMessage",
16
        "params": [
17
            "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
18
            {
19
                "commitment": "processed"
20
            }
21
        ]
22
    }
23
    "#;
24
    let response = client
25
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
26
        .headers(headers)
27
        .body(json_data)
28
        .send()
29
        .await?; 
30

31
    let body = response.text().await?;
32
    println!("{}", body);
33

34
    Ok(())
35
}
36

Response

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "context": {
5
      "apiVersion": "2.1.21",
6
      "slot": 335501818
7
    },
8
    "value": null
9
  },
10
  "id": 1
11
}

1
{
2
  "jsonrpc": "2.0",
3
  "result": {
4
    "context": {
5
      "apiVersion": "2.1.21",
6
      "slot": 335501818
7
    },
8
    "value": null
9
  },
10
  "id": 1
11
}

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