getLatestBlockhash

Returns the latest blockhash

getLatestBlockhash

POSThttps://mainnet.helius-rpc.com/?api-key=<api-key>

Body

application/json

jsonrpc*enum

The JSON-RPC protocol version.

Example: "2.0"

2.0

id*string

A unique identifier for the request.

Example: "1"

method*enum

The name of the RPC method to invoke.

Example: "getLatestBlockhash"

getLatestBlockhash

paramsarray of object

Optional configuration object for the request.

Response

200400401500

Successfully retrieved the latest blockhash information.

Body

application/json

jsonrpcenum

The JSON-RPC protocol version.

Example: "2.0"

2.0

idstring

Identifier matching the request.

Example: "1"

resultobject

RpcResponse containing blockhash information.

Request

JavaScriptCurlPython

const response = await fetch('https://mainnet.helius-rpc.com/?api-key=<api-key>', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": "1",
      "method": "getLatestBlockhash"
    }),
});
const data = await response.json();

Response

200400401500

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "context": {
      "slot": 2792
    },
    "value": {
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
      "lastValidBlockHeight": 3090
    }
  }
}