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: 2.0Possible values:

idstringOptional

A unique identifier for the request.

Example: 1

methodstring · enumOptional

The name of the RPC method to invoke.

Example: getFirstAvailableBlockPossible values:

Responses

200

Successfully retrieved the slot of the lowest confirmed block.

application/json

400

Invalid request.

application/json

401

Unauthorized, invalid API key.

application/json

500

Server error.

application/json

post

HTTPcURLJavaScriptPython

POST / HTTP/1.1
Host: mainnet.helius-rpc.com
Content-Type: application/json
Accept: */*
Content-Length: 60

{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getFirstAvailableBlock"
}

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