> For the complete documentation index, see [llms.txt](https://documentation.maax.ai/main/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.maax.ai/main/technical-guides/apis/v1/authentication.md).

# Authentication

In order to be allowed to interact with the API you will need to authenticate with the API. Doing so is fairly simple.

All our endpoints require that you supply a header with your request:

```
{
    "2hd-api-key": YOUR API KEY
}
```