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

# Introduction

> Privacy-preserving, human-state-aware AI from biosignals, behavior, and context

Meet the next generation of human-state intelligence. AI-native, privacy-first, and built for developers building the future of wellness and mental health.

New here? [How it fits together](/guides/how-it-fits-together) is a one-page mental model of the stack — sensors, SDKs, runtime, cloud — and which pieces are mandatory versus optional. Read it before the Quickstart if you're not sure which SDK to pick.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Deploy your first Synheart integration in minutes with our step-by-step guide.
  </Card>

  <Card title="Synheart Core" icon="microchip" href="/synheart-core/overview">
    Unified SDK for human-state intelligence — single integration point for all Synheart features.
  </Card>

  <Card title="Synheart Wear" icon="watch" href="/synheart-wear/overview">
    Stream biometric data from multiple wearables with a unified API across all platforms.
  </Card>

  <Card title="Synheart Behavior" icon="mobile" href="/synheart-behavior/overview">
    Capture interaction patterns (tap, scroll, type, motion) on-device — no content, no PII.
  </Card>
</CardGroup>