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.
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