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

# Authentication

Every request to the **Akowe Issuance API** must include authentication headers:

* **`x-api-key`** *(required)* – Your unique API key from the Akowe dashboard.
* **`x-subaccount-email`** *(optional)* – Used to scope requests to a specific user’s assets (e.g., templates created by that sub-account).

**Example request headers**

```
curl -X POST "https://api.akowe.app/v1/your-endpoint" \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "x-subaccount-email: user1@email.com" \
  -d '{
        "key1": "value1",
        "key2": "value2"
      }'

```

Without these headers, requests will be rejected with an **unauthorized** response.