getFirstAvailableBlock

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

getFirstAvailableBlock

post

Body

jsonrpcstring · enumoptional

The JSON-RPC protocol version.

Example: 2.0

Options: 2.0

idstringoptional

A unique identifier for the request.

Example: 1

methodstring · enumoptional

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

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

Successfully retrieved the slot of the lowest confirmed block.