getFirstAvailableBlock | Alchemy Docs

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

apiKeystringRequiredDefaults to docs-demo

The slot number of the lowest confirmed block that is still available in the ledger.

1	curl -X POST https://solana-mainnet.g.alchemy.com/v2/docs-demo \
2	-H "Content-Type: application/json" \
3	-d '{
4	"jsonrpc": "2.0",
5	"method": "getFirstAvailableBlock",
6	"params": [],
7	"id": 1
8	}'