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

# Semust API

> Access powerful SEO data through the Semust API

## What is Semust API?

Semust API provides programmatic access to comprehensive SEO data, including search engine results pages (SERP) and keyword metrics. Build powerful SEO tools, track rankings, and analyze keyword opportunities with our reliable API.

<CardGroup cols={2}>
  <Card title="SERP Data" icon="globe">
    Get real-time search engine results including organic listings, knowledge panels, and AI overviews.
  </Card>

  <Card title="Fast & Reliable" icon="bolt">
    High-performance infrastructure designed for speed and reliability at scale.
  </Card>

  <Card title="Developer Friendly" icon="code">
    Clean JSON responses, comprehensive documentation, and code examples in multiple languages.
  </Card>

  <Card title="Secure Access" icon="lock">
    API key authentication with granular access control and usage monitoring.
  </Card>
</CardGroup>

## Available APIs

<CardGroup cols={2}>
  <Card title="SERP API" icon="magnifying-glass" href="/api-reference/serp">
    Returns Google search engine results page data including organic results, knowledge panels, People Also Ask, related searches, and more.
  </Card>

  <Card title="Keyword Data API" icon="chart-line" href="/api-reference/keyword-data">
    Returns keyword metrics including search volume, CPC, competition level, search intent, and related keywords.
  </Card>
</CardGroup>

<Note>
  More APIs coming soon. Stay tuned for additional endpoints and features.
</Note>

## Quick Start

<Steps>
  <Step title="Get API Credentials">
    Go to the [API Access](https://app.semust.com/api/access) page in your dashboard and create a new API user.
  </Step>

  <Step title="Add Authentication Headers">
    Include `SEMUST-API-USER` and `SEMUST-API-PASSWORD` headers in all your requests.
  </Step>

  <Step title="Make Your First Request">
    Send a POST request to the SERP or Keyword Data endpoint with your keyword.
  </Step>
</Steps>

## Base URL

All API requests should be made to the following base URL:

```
https://data.semust.com
```

<Info>
  All requests must use HTTPS. HTTP requests will be rejected.
</Info>

## Available Endpoints

| Endpoint           | Method | Description                              |
| ------------------ | ------ | ---------------------------------------- |
| `/v1/serp`         | POST   | Get search engine results for a keyword  |
| `/v1/keyword-data` | POST   | Get keyword metrics and related keywords |