Returns the current fee schedule.


This method is deprecated and will not be supported in future versions. For a similar method, you can use solana's getFeeForMessage RPC method.


  • object: The configuration object with the following fields:
    • commitment: The level of commitment required for the query. The options include:
      • finalized: 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: The node will query the most recent block that has been voted on by the supermajority of the cluster.
      • processed: The node will query its most recent block. Note that the block may not be complete.


  • result: The result will be an 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: A JSON object describing the cluster fee rate at the queried blockhash.
      • blockhash: The blockhash for the specified transaction. This is the blockhash used to calculate the fees.
      • feeCalculator: A JSON object that represents the fee calculator for the specified transaction:
        • lamportsPerSignature: The number of lamports required to process each signature in the transaction.
        • lastValidBlockHeight: The last block height where a blockhash remains valid.
        • lastValidSlot: The last valid slot for the specified transaction.
Click Try It! to start a request and see the response here!