Data access & tools · Unified health-data API
Junction (formerly Vital)
unified health-data API for wearables
What is Junction (formerly Vital)?
Junction is a commercial API for lab testing and health-device data, connecting wearables and medical devices and ordering lab tests through one integration.
Junction (formerly Vital) at a glance
- Type
- Unified health-data API
- Devices supported
- Junction's homepage says it integrates 300+ wearables and devices, naming Apple Health, Oura, Fitbit, Garmin, Dexcom and Withings.
- Open source
- No (commercial service) · Commercial service. Junction's homepage lists SOC 2 Type 2, ISO 27001, GDPR-ready and HIPAA-compliant.
- Signals
- Multi-signal
- Category
- Data collection platform
- Domains
- device integration
- Language
- Not stated
- Licence
- Proprietary (commercial service)
- Commercial use
- yes
- Maintenance
- Last commit not stated (as of Oct 21, 2026)
- Last commit
- Not stated
How to get data with Junction (formerly Vital)
Users connect a device through Junction Link; data and lab orders go through a single API.
Where these facts come from
Checked on Nov 4, 2026 against the project’s own pages:
Related open-source tools
Other Wearable Signal Tools that share a signal with Junction (formerly Vital).
Questions about Junction (formerly Vital)
What is Junction (formerly Vital) used for?
Junction is a commercial API for lab testing and health-device data, connecting wearables and medical devices and ordering lab tests through one integration. ChatPPG lists it as a unified health-data api.
Which devices does Junction (formerly Vital) support?
Junction's homepage says it integrates 300+ wearables and devices, naming Apple Health, Oura, Fitbit, Garmin, Dexcom and Withings.
How do you get data with Junction (formerly Vital)?
Users connect a device through Junction Link; data and lab orders go through a single API.
Is Junction (formerly Vital) open source?
No (commercial service). Licence: Commercial service. Junction's homepage lists SOC 2 Type 2, ISO 27001, GDPR-ready and HIPAA-compliant..
Summary, licence and commercial-use fields are shown as recorded for this project. Maintenance is computed from the last commit date. Check the project’s own repository for its current licence and status.

