ELCIES Health Data Aggregator API

The intelligent connector for health data

The Health Data Aggregator API is a bridge between lifestyle service providers and their health-conscious clients. Clients all wear different devices for monitoring health. This API helps to organize and personalize clients’ fitness, health and lifestyle data. You can also use user health and physical activity data to build your own intervention or prevention campaigns and more.

This API helps you to...

Manage multiple clients

With this API you will be able to manage and monitor all your client data in one simple platform at once.

Promote and reward healthy lifestyle

Monitor real-time physical activity and health conditions of your clients.

Connect to a wide variety of devices

Access the data of dozens of sports and health devices, from activity trackers to blood-pressure and glucose monitoring devices.

How it works

The Health Data Aggregator API allows you to create applications that take advantage of data recorded by different brands of wearables and health devices. By integrating this API into your application, you can show your users all their health data in one place. 

The API offers an extensive data schema, with steps, calories, BMI, weight, body fat, blood pressure, heart rate and more. The API uses authentication for safe communication between your users and your application.

Supported brands are:

Fitbit, iHealth, Withings, VitaDock+, Polar, Google Fit, HealthKit, Garmin, Healtvault, Dexcom and Myfitnesspal.


Seamless integration

Integrates most wearable and health data into your existing platforms and apps easily.


Personalizes your users' health data for gaining insight into their personal challenges and progress.

Diverse application

From advise and awareness campaigns to personalized workouts, diet plans, monitoring health services and support.

What our customers say

“PT-TOOL has partnered up with ELCIES during the COVID-19 breakout to create a remote and Digital Home exercise platform, with integration of ELCIES API Connected Services This way we wanted to support physical activities by promoting daily exercise with the whole family during the lockdown.”
Jan Evenepoel
“In a collaboration with ELCIES and the University of Hasselt, Prof. dr. Bert op ‘t Eijnde has started a pilot study. This study, coordinated by drs. Wouter Franssen at the University of Hasselt, aims to study the effectiveness of activity trackers. We're using the integration of ELCIES API Connected Services, to reduce sedentary behavior by measuring inactivity behaviors in sedentary adults.”
Wouter Franssen
drs. - University of Hasselt

What it costs

Fixed monthly fee

€ 50

Added price per user
€ 0,36

Optional additions


Nutrition endpoint

On request

Heartrate endpoint

On request


Mopinion feedback