Junction builds the infrastructure layer for diagnostic healthcare, with the aim of making patient data accessible, actionable, and automated across labs and devices. Its technical work spans healthcare data infrastructure, API development, wearable and lab diagnostics integration, data normalization, health data interoperability and automation. The company's stated mission is to reduce the cost of predicting, diagnosing and preventing chronic disease through data-driven infrastructure.
The company's core product is a unified API platform that integrates more than 300 wearables with a nationwide lab network, letting healthcare providers offer lab testing and device data collection through a single integration and turning raw health information into clinically relevant insights. Alongside the API, Junction provides phlebotomy services in in-person, at-home and mobile formats, and device data capture and lab testing services available in all 50 US states.
Junction reports having processed data from more than 3m connected devices and facilitated over 4m lab tests, with a geographic presence spanning the entire United States. Its customer and partner base includes virtual-first clinics, consumer diagnostics companies, healthcare SaaS businesses, labs and chronic disease management providers.
The company is backed by investors including Creandum, Point Nine, 20VC and Y Combinator.






