getFeeForMessage RPC Method

Please note that this method is only available in solana-core v1.9 or newer. Please use getFees for solana-core v1.8

Parameters

message

string

REQUIRED

The transaction message encoded as base64

object

array

The configuration object with 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

Request

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curl https://docs-demo.solana-mainnet.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  -d '
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    {
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      "id":1,
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      "jsonrpc":"2.0",
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      "method":"getFeeForMessage",
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      "params":[
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        "AQABAgIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEBAQAA",
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        {
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          "commitment":"processed"
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        }
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      ]
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    }
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'

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