getLatestBlockhash RPC Method

Returns the latest blockhash

params

object optional Configuration object containing the following fields:

commitment

The commitment describes how finalized a block is at that point in time. See Configuring State Commitment.

minContextSlot

The minimum slot that the request can be evaluated at

result

object RpcResponse JSON object with value field set to a JSON object including:

blockhash

A Hash as base-58 encoded string

lastValidBlockHeight

Last block height at which the blockhash will be valid

cURL

curl https://api.mainnet.openverse.network/ -s -X \
 POST -H "Content-Type: application/json" -d ' 
 {
   "jsonrpc": "2.0",
   "id": 1,
   "method": "getLatestBlockhash",
   "params": [
     {
       "commitment": "processed"
     }
   ]
 }
'

Response

{
 "jsonrpc": "2.0",
 "result": {
   "context": {
     "apiVersion": "1.17.28",
     "slot": 92368858
  },
  "value": {
    "blockhash": "GUkTC2xhb7AZrBtb8aSwVtVtNQGopjNR11nDgSbS83KV",
     "lastValidBlockHeight": 91153079
   }
 },
 "id": 1
}