POST
/
9de47db917d4f69168e3fed02217d15b
curl --request POST \
  --url https://nd-326-444-187.p2pify.com/9de47db917d4f69168e3fed02217d15b \
  --header 'Content-Type: application/json' \
  --data '{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "getRecentBlockhash"
}'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {
    "context": {
      "slot": 123
    },
    "value": {
      "blockhash": "<string>",
      "feeCalculator": {
        "lamportsPerSignature": 123
      }
    }
  }
}

Deprecated

The getRecentBlockhashmethod is deprecated starting from the Solana client v1.9. This method only works on older outdated clients v1.8 and below.

For the currently supported and up-to-date method, see getLatestBlockhash .

The Solana getRecentBlockhash method returns a recent block hash from the ledger, and a fee schedule that can be used to compute the cost of submitting a transaction using it.

This method is crucial for transaction construction and submission in Solana. The returned blockhash is used to indicate when a transaction was constructed, which is important for security reasons. The fee calculator provides information about the current network fees.

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​
Parameters

This method does not require any parameters.

​
Response

  • blockhash — a string representing the blockhash of a recent block.
  • feeCalculator — an object containing:
    • lamportsPerSignature — the current fee in lamports per signature.

​
Use case

A common use case for getRecentBlockhash is in transaction preparation. When constructing a transaction, you need to include a recent blockhash to ensure the transaction is processed in a timely manner and to prevent replay attacks. The fee calculator information can be used to estimate the cost of the transaction.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:getRecentBlockhash

Response

200 - application/json
Recent blockhash details
​
jsonrpc
string
​
id
integer
​
result
object