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

# Human Design API

> Generate Human Design personality charts from birth date, time, and location.

The Human Design API calculates complete Human Design charts using precise astronomical calculations. Send birth date, time, and location — get back structured chart data including type, profile, channels, centers, gates, authority, strategy, and more.

Built for developers, AI agents, and no-code platforms.

<CardGroup cols={2}>
  <Card title="Quick Start" icon="rocket" href="/quickstart">
    Make your first API call in under 5 minutes
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    Set up API key and geocoding key
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/v2/overview">
    Explore all v2 endpoints
  </Card>

  <Card title="AI Agent Guide" icon="robot" href="/guides/agentic-tools">
    Integrate with LLMs, agents, and no-code tools
  </Card>
</CardGroup>

## Key Features

* **Full chart generation** — type, profile, authority, strategy, channels, gates, centers, incarnation cross, activations, and more
* **Simplified chart** — just type, profile, gates, channels, and centers for lightweight integrations
* **Coordinates endpoint** — generate charts from lat/lng without a geocoding key
* **Structured JSON** — consistent response envelope with machine-readable error codes
* **AI-ready** — designed for function calling, tool use, and agent workflows

## Try It First

See the API in action on the [landing page demo](https://humandesignapi.nl/#demo) before signing up.