Welcome to our Docs
Here you’ll find guides, resources, and references to build using Junction’s APIs and SDKs.
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.
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.
Providers
Here you can find all the available providers, alongside our roadmap. You can see how each provider behave (pull vs webhook) and the default max amount of days we pull from each. For custom integrations, please contact us.
Environments
This gives you a quick glance about our environments and regions. It also tells you the difference between production and sandbox
Labs and Test Kits
Junction’s lab test API allows digital health companies to carry out at-home lab testing. Companies can use the API to order a variety of tests, using various sampling methods.
Popular Topics
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.