getFeeForMessage

curl http://fra.rpc.orbitflare.com?api_key=YOUR-API-KEY -X POST -H "Content-Type: application/json" -d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getFeeForMessage",
  "params": [
    "AQABAyRn/PA8jzJtN6oAyB3VR0nfOF0xnfkYaKwY4Ir3nrHFJGqhAQICAAEDAgABDAIAAAAEAAAAAAAA",
    {"commitment": "processed"}
  ]
}'

import { Connection } from '@solana/web3.js';

const connection = new Connection('http://fra.rpc.orbitflare.com?api_key=YOUR-API-KEY');
const message = 'AQABAyRn/PA8jzJtN6oAyB3VR0nfOF0xnfkYaKwY4Ir3nrHFJGqhAQICAAEDAgABDAIAAAAEAAAAAAAA';
const fee = await connection.getFeeForMessage(message);
console.log(fee);

from solana.rpc.api import Client

client = Client("http://fra.rpc.orbitflare.com?api_key=YOUR-API-KEY")
message = "AQABAyRn/PA8jzJtN6oAyB3VR0nfOF0xnfkYaKwY4Ir3nrHFJGqhAQICAAEDAgABDAIAAAAEAAAAAAAA"
response = client.get_fee_for_message(message)
print(response)