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

# Authentication

> Obtain your API key from the LaserSell dashboard and authenticate requests across all four SDKs.

## Getting Your API Key

1. Sign in at [app.lasersell.io](https://app.lasersell.io).
2. Navigate to **Settings > API Keys**.
3. Click **Create API Key**, give it a name, and copy the value.

Store the key securely. It cannot be displayed again after creation.

## Authenticating Requests

Every request to the LaserSell API and every WebSocket connection to the Exit Intelligence Stream requires an API key passed via the `x-api-key` HTTP header.

### curl

```bash theme={null}
curl -X POST https://api.lasersell.io/v1/sell \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -d '{"mint":"TOKEN_MINT","user_pubkey":"WALLET","amount_tokens":1000000}'
```

### SDK Examples

<CodeGroup>
  ```typescript TypeScript theme={null}
  import { ExitApiClient } from "@lasersell/lasersell-sdk";

  const client = ExitApiClient.withApiKey("YOUR_API_KEY");
  ```

  ```python Python theme={null}
  from lasersell_sdk.exit_api import ExitApiClient

  client = ExitApiClient.with_api_key("YOUR_API_KEY")
  ```

  ```rust Rust theme={null}
  use lasersell_sdk::exit_api::ExitApiClient;

  let client = ExitApiClient::with_api_key("YOUR_API_KEY");
  ```

  ```go Go theme={null}
  import lasersell "github.com/lasersell/lasersell-sdk/go"

  client := lasersell.NewExitAPIClientWithAPIKey("YOUR_API_KEY")
  ```
</CodeGroup>

### Exit Intelligence Stream Authentication

The Exit Intelligence Stream WebSocket also uses `x-api-key`. The SDK handles this automatically when you construct a `StreamClient`:

<CodeGroup>
  ```typescript TypeScript theme={null}
  import { StreamClient } from "@lasersell/lasersell-sdk";

  const client = new StreamClient("YOUR_API_KEY");
  ```

  ```python Python theme={null}
  from lasersell_sdk.stream.client import StreamClient

  client = StreamClient("YOUR_API_KEY")
  ```

  ```rust Rust theme={null}
  use lasersell_sdk::stream::client::StreamClient;
  use secrecy::SecretString;

  let client = StreamClient::new(SecretString::new("YOUR_API_KEY".into()));
  ```

  ```go Go theme={null}
  import "github.com/lasersell/lasersell-sdk/go/stream"

  client := stream.NewStreamClient("YOUR_API_KEY")
  ```
</CodeGroup>

## Security Best Practices

* **Never commit your API key** to version control. Use environment variables or a secrets manager.
* **Rotate keys** periodically through the dashboard.
* **Scope access** by creating separate keys for different bots or environments.
* If a key is compromised, revoke it immediately from the dashboard and create a replacement.