getFeeForMessage

Returns epoch schedule information from this cluster's genesis config.

This method will use 30 Compute Units.

---

Parameters

• message string Required. The transaction message encoded as base64.

• object optional. Configuration object containing the following fields:

  • commitment string. The level of commitment required for the query. The options include:

    • finalized string.

      • The node will query the most recent block confirmed by the supermajority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized.

    • confirmed string.

      • The node will query the most recent block that has been voted on by the supermajority of the cluster.

    • processed string.

      • The node will query its most recent block. Note that the block may not be complete.

  • maxSupportedTransactionVersion number

    • The maximum supported transaction version to return in responses. If the requested block contains a transaction with a higher version, an error will be returned. If this parameter is omitted, only legacy transactions will be returned, and a block containing any versioned transaction will prompt an error.

Returns

result Null if the transaction message is not found otherwise RpcResponse JSON object with the following fields:

• context The information about the current state of the program.

  • apiVersion The version of the Solana RPC API to use.

  • slot An integer representing the slot for which to retrieve the fee calculator.

• value (u64 | null). The fee corresponding to the message at the specified blockhash.

// Result
{
	"jsonrpc": "2.0",
	"result": {
		"context": {
			"apiVersion": "2.1.11",
			"slot": 320142245
		},
		"value": null
	},
	"id": 1
}

mainnet

curl https://mainnet.solana.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{
      "id":1,
      "jsonrpc":"2.0",
      "method":"getFeeForMessage",
      "params":[
        "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
        {
          "commitment":"processed"
        }
      ]
    }'
    

devnet