> For the complete documentation index, see [llms.txt](https://docs.complycube.com/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.complycube.com/documentation/api-reference/authentication.md).

# Authentication

Authenticate ComplyCube API requests with test and live API keys, secure HTTPS headers, and backend client libraries.

The ComplyCube API uses API keys to authenticate all requests. You can view, manage, and rotate your keys from the [API keys page](https://portal.complycube.com/developers).

Sandbox environment keys have the prefix `test_` whereas Live environment keys have the prefix `live_`.

{% hint style="info" %}
All API requests must be made over HTTPS. Any requests made over HTTP will fail.
{% endhint %}

{% hint style="warning" %}
Your API keys carry many privileges, so be sure to keep them secure. Do not share your API keys in publicly accessible areas such as GitHub, client-side code, and so forth.
{% endhint %}

#### Example of an authenticated request

{% tabs %}
{% tab title="cURL" %}

```bash
curl -X GET https://api.complycube.com/v1/clients \
     -H 'Authorization: <YOUR_API_KEY>'
```

{% endtab %}

{% tab title="Node.js" %}

```javascript
const { ComplyCube } = require("@complycube/api");

const complycube = new ComplyCube({ apiKey: "<YOUR_API_KEY>" });

const clients = await complycube.client.list();
```

{% endtab %}

{% tab title="Python" %}

```python
from complycube import ComplyCubeClient

cc_api = ComplyCubeClient(api_key='<YOUR_API_KEY>')
```

{% endtab %}

{% tab title="PHP" %}

```php
use ComplyCube\ComplyCubeClient;

$ccapi = new ComplyCubeClient('<YOUR_API_KEY>');
```

{% endtab %}

{% tab title="C#" %}

```csharp
using ComplyCube.Net;

var client = new ComplyCubeClient("<YOUR_API_KEY>");
```

{% endtab %}
{% endtabs %}


---

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