getFeeForMessage RPC Method

Returns the lamports the cluster would charge to process a serialized message at the requested commitment.

Source

get_fee_for_message

params

stringrequired

Base-64 encoded transaction message. Accepts both legacy and v0 (versioned) message formats.

objectoptional

Configuration object.

result

object

RpcResponse object containing:

$ curl https://api.devnet.solana.com -s -X \
>   POST -H "Content-Type: application/json" -d ' 
>   {
>     "jsonrpc": "2.0",
>     "id": 1,
>     "method": "getFeeForMessage",
>     "params": [
>       "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
>       {
>         "commitment": "processed"
>       }
>     ]
>   }
> '

Response

{
  "jsonrpc": "2.0",
  "result": {
    "context": { "apiVersion": "3.1.8", "slot": 5068 },
    "value": 5000
  },
  "id": 1
}

$ curl https://api.devnet.solana.com -s -X \
>   POST -H "Content-Type: application/json" -d ' 
>   {
>     "jsonrpc": "2.0",
>     "id": 1,
>     "method": "getFeeForMessage",
>     "params": [
>       "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
>       {
>         "commitment": "processed"
>       }
>     ]
>   }
> '