We’ve just rebranded from Vital to Junction. You may see some references to Vital among the docs, please bear with us as we get this updated.

Lab Testing

Access a nationwide lab network. In-person, at-home, or hybrid methods to maximize completion rates.

Device Data Providers

Connect to 300+ devices, and receive data in Junction standardized schemas.

Junction API

User management, Device connection and data access, Lab Testing orders and results, Horizon AI Query.

Junction Management API

Programmatically manage all Junction regional and global resources in your organization.

Quickstart

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.

Apple HealthKit

Learn how to integrate with Apple HealthKit through Junction Mobile SDKs, available in Native iOS, React Native and Flutter.

Android Health Connect

Learn how to integrate with Android Health Connect through Junction Mobile SDKs, available in Native Android, React Native and Flutter.

Junction Link Widget

Junction Link enables your users to connect their account with with their wearable data providers. Learn how to integrate the Link Widget for a no-fuzz starter integration.

Junction Link API

Learn how to use the Junction Link API to build your own Link Widget.

Timestamps and Time Zones

Learn about timestamp and time zone handling of wearable device data.

Webhooks & Events

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.

Synthetic Data

Learn how to use Demo Connections — which emit synthetic data mimicking selected providers — as an alternative way to test your Junction integration.