Solana RPC · Blocks & slots

POST getFirstAvailableBlock

Lowest slot the node still has in its ledger.

Endpoint

POST  https://solrpc.infinityblocks.io/<API_KEY>

Standard Solana JSON-RPC 2.0 over HTTP POST. The API key is part of the URL path.

Parameters

This method takes no parameters.

Request

curl -s https://solrpc.infinityblocks.io/<API_KEY> \
  -X POST -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"getFirstAvailableBlock"}'

Response

{ "jsonrpc": "2.0", "id": 1, "result": 423200000 }
This node keeps a rolling window of recent ledger (older blocks are not retained). Use the Data API for historical trade/launch data.

Try it

Run getFirstAvailableBlocklive · POST

Replace placeholders (e.g. <ADDRESS>) with real values. Your key is stored only in this browser.