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

# API

## API Endpoint

```
https://api.clusters.xyz
```

#### API KEY

{% hint style="info" %}
You can get an API Key by visiting <https://clusters.xyz/developer/api-keys>
{% endhint %}

If you have an API KEY, you can add it to the request headers like so:

```javascript
fetch(URL, { headers: { "X-API-KEY": "abc123" } }) 
```