> ## Documentation Index
> Fetch the complete documentation index at: https://docs.validationcloud.io/llms.txt
> Use this file to discover all available pages before exploring further.

# minimumLedgerSlot

Returns the lowest slot that the node has information of in its ledger.

This method will use `30` [Compute Units](/nodeapi/about/billing).

***

## **Parameters**

None.

## Returns

`u64` The lowest slot that the node has information of. This number may increase over time if the node is purging older ledger data.

```json theme={"theme":{"light":"github-light","dark":"github-dark-default"}}
// Result
{ "jsonrpc": "2.0", "result": 1234, "id": 1 }
```

<CodeGroup>
  ```bash title="mainnet" theme={"theme":{"light":"github-light","dark":"github-dark-default"}}
  curl https://mainnet.solana.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
      -X POST \
      -H "Content-Type: application/json" \
      -d '{"method":"minimumLedgerSlot","params":[],"id":1,"jsonrpc":"2.0"}'
  ```

  ```bash title="devnet" theme={"theme":{"light":"github-light","dark":"github-dark-default"}}
  curl https://devnet.solana.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
      -X POST \
      -H "Content-Type: application/json" \
      -d '{"method":"minimumLedgerSlot","params":[],"id":1,"jsonrpc":"2.0"}'
  ```
</CodeGroup>


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.