> For the complete documentation index, see [llms.txt](/llms.txt).

# `getFirstAvailableBlock`

Returns the slot of the lowest confirmed block that has not been purged from the ledger. This method uses [160 credits](/services/get-started/pricing/) from your daily balance.

## Parameters[​](#parameters "Direct link to Parameters")

None

## Returns[​](#returns "Direct link to Returns")

`result`: (integer) - The slot of the lowest confirmed block as a 64-bit unsigned integer.

### Request[​](#request "Direct link to Request")

- curl

```
curl https://solana-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getFirstAvailableBlock"}'

```

### Response[​](#response "Direct link to Response")

- JSON

```
{
  "jsonrpc":"2.0",
  "result":116113408,
  "id":1
}

```