getFeeForMessage
Returns the fee the network will charge for a specified message. This method uses 160 credits from your daily balance.
Parameters
message: (string) [required] - Thebase64encoded transaction message.config: (object) [optional] - Configuration object with the following options:commitment: (string) [optional] The commitment level to use for the query. The default isfinalized. Possible values are:finalized- Queries the most recent block confirmed by a super majority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized.confirmed- Queries the most recent block that has been voted on by a super majority of the cluster.processed- Queries its most recent block. The block may still be skipped by the cluster.
minContextSlot: (integer) [optional] - The minimum slot to use for the query.
Returns
result - null when the block doesn't exist, or an object with the following fields:
context- An object containing the following keys:slot- The slot number of the block that was queried.apiVersion- The API version used for the query.
value-null, or the fee for the specified message.
Request
- curl
 
curl https://solana-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "getFeeForMessage", "params": ["AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA", {"commitment": "processed"}]}'
Response
- JSON
 
{
  "jsonrpc": "2.0",
  "result": {
    "context": {
      "apiVersion": "2.1.11",
      "slot": 320142245
     },
     "value": null
  },
  "id": 1
}