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0.01 credits per call

getFeeForMessage on Solana: Returns the fee the cluster will charge for a message.

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Endpoint

https://rpc.goldrushdata.com/v1/solana-mainnet
Authenticate with Authorization: Bearer <GOLDRUSH_API_KEY>. See authentication.

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Parameters

NameTypeRequiredDescriptionExample
messagestringyesBase-64 encoded serialized transaction message."AQACBMEuhDMcg1Nz82OC+UOdjiLYcr5D3M2YjTq2NJGKNVdaDcMIHyIb+qHZ9qk1Lv4DorA7WngltapcFv4Md3HK/+MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMGRm/lIRcy/+ytunLDm+e8jOW7xfcSayxDmzpAAAAApjQGINzz+FsG+vhGhpoRHsOIDjo0AWcAQke94vhAzGgDAwAJA4DR8AgAAAAAAwAFAvQBAAACAgABDAIAAACghgEAAAAAAA=="
configobjectno{commitment?, minContextSlot?}.{"commitment":"finalized"}

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Returns

object: {context, value: u64 | null}: fee in lamports, or null if the blockhash has expired. 
{"context":{"slot":372877175},"value":5000}

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Examples

curl https://rpc.goldrushdata.com/v1/solana-mainnet \
  -H "Authorization: Bearer $GOLDRUSH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getFeeForMessage",
    "params": ["AQACBMEuhDMcg1Nz82OC+UOdjiLYcr5D3M2YjTq2NJGKNVdaDcMIHyIb+qHZ9qk1Lv4DorA7WngltapcFv4Md3HK/+MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMGRm/lIRcy/+ytunLDm+e8jOW7xfcSayxDmzpAAAAApjQGINzz+FsG+vhGhpoRHsOIDjo0AWcAQke94vhAzGgDAwAJA4DR8AgAAAAAAwAFAvQBAAACAgABDAIAAACghgEAAAAAAA==", {"commitment":"finalized"}]
  }'

import {
  createDefaultRpcTransport,
  createSolanaRpcFromTransport,
} from "@solana/kit";

const transport = createDefaultRpcTransport({
  url: "https://rpc.goldrushdata.com/v1/solana-mainnet",
  headers: { Authorization: `Bearer ${process.env.GOLDRUSH_API_KEY}` },
});
const rpc = createSolanaRpcFromTransport(transport);

const result = await rpc.getFeeForMessage("AQACBMEuhDMcg1Nz82OC+UOdjiLYcr5D3M2YjTq2NJGKNVdaDcMIHyIb+qHZ9qk1Lv4DorA7WngltapcFv4Md3HK/+MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMGRm/lIRcy/+ytunLDm+e8jOW7xfcSayxDmzpAAAAApjQGINzz+FsG+vhGhpoRHsOIDjo0AWcAQke94vhAzGgDAwAJA4DR8AgAAAAAAwAFAvQBAAACAgABDAIAAACghgEAAAAAAA==", {"commitment":"finalized"}).send();
console.log(result);

import os
import requests

resp = requests.post(
    "https://rpc.goldrushdata.com/v1/solana-mainnet",
    headers={
        "Authorization": f"Bearer {os.environ['GOLDRUSH_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={"jsonrpc": "2.0", "id": 1, "method": "getFeeForMessage", "params": ["AQACBMEuhDMcg1Nz82OC+UOdjiLYcr5D3M2YjTq2NJGKNVdaDcMIHyIb+qHZ9qk1Lv4DorA7WngltapcFv4Md3HK/+MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMGRm/lIRcy/+ytunLDm+e8jOW7xfcSayxDmzpAAAAApjQGINzz+FsG+vhGhpoRHsOIDjo0AWcAQke94vhAzGgDAwAJA4DR8AgAAAAAAwAFAvQBAAACAgABDAIAAACghgEAAAAAAA==", {"commitment":"finalized"}]},
)
print(resp.json()["result"])

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Errors

Standard JSON-RPC errors: -32600 invalid request, -32601 method not found, -32602 invalid params.