solana/docs/src/api/methods/_getFirstAvailableBlock.mdx

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import {
DocBlock,
DocSideBySide,
CodeParams,
Parameter,
Field,
Values,
CodeSnippets,
} from "../../../components/CodeDocBlock";
<DocBlock>
## getFirstAvailableBlock
Returns the slot of the lowest confirmed block that has not been purged from the ledger
<DocSideBySide>
<CodeParams>
### Parameters:
**None**
### Result:
- `<u64>` - Slot
</CodeParams>
<CodeSnippets>
### Code sample:
```bash
curl http://localhost:8899 -X POST -H "Content-Type: application/json" -d '
{
"jsonrpc":"2.0","id":1,
"method":"getFirstAvailableBlock"
}
'
```
### Response:
```json
{ "jsonrpc": "2.0", "result": 250000, "id": 1 }
```
</CodeSnippets>
</DocSideBySide>
</DocBlock>