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

# Introduction

Welcome to the NicheOK API. Use these APIs to integrate NicheOK's API capabilities into your applications.

## Base URL

```
https://api.nicheok.com
```

## Authentication

All API requests require authentication using an API key. Include your API key in the request header:

```bash theme={null}
'x-api-key': 'YOUR_API_KEY'
```

To get started, use the API key provided to you. Include this key in all API requests to authenticate your application.