Top 10 Fitness APIs

There is no doubt recently adopted technologies have changed the fitness industry. Mobile applications and wearables are available to track sports & activities, calories, heart rate, standing, sitting, and climbing stairs vs. taking the elevator, nutrition macros, sleep cycles, and even blood sugar. All this available data has upped the game for the Fitness industry, and driving this innovation are Application Programming Interfaces, or APIs.

Developers looking to create applications for keeping fit should check out the Fitness category on ProgrammableWeb. There, they can find the best APIs for their app from a huge directory curated by our API researchers.

In this article, we reveal the top ten Fitness APIs, chosen by total page visits on ProgrammableWeb.

1. Fitbit API

Fitbit provides wearable equipment and data services to help people lead healthier, more active lives. The Fitbit Web APITrack this API enables third-party applications to access activity data and write data. The API can be used to create applications that enhance the Fitbit Platform, for research purposes, or for data backup purposes. There are methods for body & weight, devices, food logging, heart rate, sleep, subscriptions, other activities and more.

Fitbit API provides data from 20 million activity trackers

Fitbit API provides data from 20 million activity trackers. Image: Fitbit

2. Can I Eat It? API

Can I Eat It? Food Search and Barcode lookup APITrack this API enables users to access data for over 80,000 food products. Can I Eat It? API enables users to search by product name or barcode, and obtain nutritional value, tasting notes, dietary restrictions, allergen lists, vegan, vegetarian, other special diets (i.e. Keto) and fairtrade status of products.

3. Under Armour API

Under Armour offers a fitness platform that fuels applications such as Under Armour Women, MapMyFitness, MapMyRun, MapMyRide, MapMyWalk, and MapMyHike to inspire athletic activity combined with social experiences. The RESTful Under Armour API can be accessed with web HTTP calls, such as POST, GET, PUT, and DELETE to manipulate resources relating to their wearable fitness technologies. Under Armour also offers iOS and Android SDKs that wrap native constructs for quick synchronicity across devices. Under Armour also offers a sandbox to allow developers to easily test the API.

4. Apple HealthKit

Apple's HealthKitTrack this API enables health and fitness apps to share their data with the iOS 8+ Health application, with Apple Watch applications, and with each other. HealthKit can serve as a hub for all the health and fitness apps on an iOS device. This allows consumers to have more oversight of their health and fitness. Healthkit strives for data sharing for health purposes while maintaining the user's privacy and control.

5. BMI Calculator API

The BMI Calculator APITrack this API offers developers a calculator to determine Body Mass Index (BMI) in software applications. BMI is a measure of body fat based on height and weight that applies to adult men and women. The API allows JSON inputs only.

6. Garmin Health API

The Garmin Health API enables developers to leverage health and activity data from Garmin wearable devices. It is intended to be used for such applications as corporate wellness, population health, and patient monitoring. There are methods available to collect data about steps, sleep, calories, heart rate, stress, intensity minutes, body composition and more. Thirty types of activity are monitored including running, cycling, paddle boarding, swimming and more. User consent is required for data retrieval. Documentation is available to registered developers.

7. FatSecret Platform API

FatSecret provides tools to achieve diet goals. The FatSecret Platform APITrack this API enables access to a large food and nutrition database. With the API, developers can integrate curated nutrition and calorie data from food brands, recipes, and restaurants into mobile apps, websites, devices, and complementary products and services. This API is utilized by more than 10,000 developers in more than 50 countries.

FatSecret Platform API

Screenshot: FatSecret Platform

8. Strava API

Strava is a social fitness service that allows users to share, compare and compete with other users' personal fitness data via mobile and online apps. Focusing on cyclists and runners, Strava lets users track their rides and runs via mobile apps or GPS device to analyze their performance. The Strava APITrack this API provides methods to send and receive data on mobile devices and allows users to access data about their athletes, efforts, rides, and uploads.

9. Google Fit API

Google Fit is an open platform for storing fitness data from wearables or mobile applications. With the platform, developers can create fitness applications and users can control their fitness data. The platform is comprised of a cloud service (the Fitness store) for storing data, a sensor framework, permission controls, and Android and REST APIs. The Google Fit REST APITrack this API allows users to collect, store and reference fitness data in order to create third-party fitness applications. The API can be used to create, obtain, list, aggregate, delete, and modify datasets. The API can also be used for session tracking for time intervals.

10. wger Workout Manager API

Wger Workout Manager is an open-source web application for tracking fitness and managing exercises. The application features include a workout manager that allows users to create and manage workout routines, a weight tracker that will keep track of body weight, and a nutrition manager for creating a diet plan based on nutritional guidelines. wger Workout Manager provides a REST APITrack this API for access to all database objects.

But this is just a sample of the Fitness APIs that are listed on ProgrammableWeb. To see the full list, head on over to our Fitness category for more than 110 APIs, 140 SDKs, and 35 Code Samples to peruse.

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