getFirstAvailableBlock

Returns the slot of the lowest confirmed block that has not been purged from the ledger

getFirstAvailableBlock

post

/?api-key=<api-key>

Body

idstring

A unique identifier for the request.

Example: 1

jsonrpcstring · enum

The JSON-RPC protocol version.

Example: 2.0

Options: 2.0

methodstring · enum

The name of the RPC method to invoke.

Example: getFirstAvailableBlock

Options: getFirstAvailableBlock

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":"getFirstAvailableBlock"}'

200

400

401

500

200

{
  "id": "1",
  "result": 250000,
  "jsonrpc": "2.0"
}

Successfully retrieved the slot of the lowest confirmed block.