getLatestBlockhash

Returns the latest blockhash

getLatestBlockhash

post

Body

jsonrpcstring · enumrequired

The JSON-RPC protocol version.

Example: 2.0

Options: 2.0

idstringrequired

A unique identifier for the request.

Example: 1

methodstring · enumrequired

The name of the RPC method to invoke.

Example: getLatestBlockhash

Options: getLatestBlockhash

paramsobject[]optional

Optional configuration object for the request.

Responses

application/json

application/json

application/json

application/json

cURL

JavaScript

Python

HTTP

cURL

curl -L \
  --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=<api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
    "jsonrpc": "2.0",
    "id": "1",
    "method": "getLatestBlockhash",
    "params": [
      {
        "commitment": "processed",
        "minContextSlot": 1000
      }
    ]
  }'

200

400

401

500

200

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

Successfully retrieved the latest blockhash information.