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

# Junction

> Integrate 300+ wearables, streamline lab operations, and build your own lab testing experience spanning all 50 states – with a single API.

<CardGroup cols={3}>
  <Card title="Lab Testing" icon="flask" color="#BF40BF" href="/lab/overview/introduction" cta="Learn more">
    Access a nationwide lab network. In-person, at-home, or hybrid methods to maximize completion rates.
  </Card>

  <Card title="Junction Sense" icon="sensor" color="#E28413" href="/sense/overview" cta="Learn more">
    Automatically transforms raw activity and biometric data from 300+ connected devices into structured, aggregated datasets that update as new data arrives.
  </Card>

  <Card title="Device Data Providers" icon="gears" color="#0285c7" href="/wearables/providers/introduction" cta="Learn more">
    Connect to 300+ devices, and receive data in Junction standardized schemas.
  </Card>
</CardGroup>

<CardGroup cols={2}>
  <Card title="Junction API" icon="seedling" color="#16a34a" href="/api-details/junction-api" cta="Learn more">
    User management, Device connection and data access, Lab Testing orders and results, Junction Sense Query and Data.
  </Card>

  <Card title="Junction Management API" icon="building" color="#16a34a" href="/api-details/junction-management-api" cta="Learn more">
    Programmatically manage all Junction regional and global resources in your organization, including Junction Sense Continuous Queries.
  </Card>
</CardGroup>

## Popular Topics

<CardGroup cols={1}>
  <Card title="Quickstart" icon="bolt" color="#FDD023" href="/home/quickstart" horizontal arrow>
    The Quickstart walk-through gives you an overview of how to integrate with
    Junction. By the end of this guide, you'll have a working app with both
    backend and frontend.
  </Card>

  <Card title="Apple HealthKit" icon="apple" href="/wearables/guides/apple-healthkit" horizontal arrow>
    Learn how to integrate with Apple HealthKit through Junction Mobile SDKs,
    available in Native iOS, React Native and Flutter.
  </Card>

  <Card title="Android Health Connect" icon="android" href="/wearables/guides/android-health-connect" horizontal arrow>
    Learn how to integrate with Android Health Connect through Junction Mobile
    SDKs, available in Native Android, React Native and Flutter.
  </Card>

  <Card title="Junction Link Widget" icon="link" href="/wearables/connecting-providers/introduction" horizontal arrow>
    Junction Link enables your users to connect their account with their
    wearable data providers. Learn how to integrate the Link Widget for a
    no-fuss starter integration.
  </Card>

  <Card title="Junction Link API" icon="link" href="/wearables/connecting-providers/custom_widget" horizontal arrow>
    Learn how to use the Junction Link API to build your own Link Widget.
  </Card>

  <Card title="Timestamps and Time Zones" icon="clock" href="/wearables/providers/timestamps-and-time-zones" horizontal arrow>
    Learn about timestamp and time zone handling of wearable device data.
  </Card>

  <Card title="Webhooks & Events" icon="radar" href="/webhooks/introduction" horizontal arrow>
    Junction can push wearable device data as webhook events to you as soon as
    they are discovered. Learn about the delivery stages, event structure as
    well as the advanced ETL Pipeline options for high volume needs.
  </Card>

  <Card title="Synthetic Data" icon="parachute-box" href="/wearables/providers/test_data" horizontal arrow>
    Learn how to use Demo Connections — which emit synthetic data mimicking
    selected providers — as an alternative way to test your Junction
    integration.
  </Card>
</CardGroup>