BMI Calculation API

BMI Calculation API

The BMI Calculation API allows users to calculate users' Body Mass Index (BMI), providing health-related metrics for medical and fitness applications.

API description

About the API:  

The BMI Metric Assessment API allows users to perform comprehensive Body Mass Index (BMI) assessments, making it an essential tool for health and wellness applications. This API provides a sophisticated method for analyzing BMI data to assess an individual's body composition and overall health status. With a rich feature set and robust functionality, the BMI Metric Assessment API provides unprecedented insight into users' BMI metrics, facilitating informed decision making and personalized health interventions.

In essence, the BMI Metric Assessment API employs advanced algorithms and mathematical models to calculate BMI values from input parameters such as height and weight. By processing this data accurately and precisely, the API provides reliable BMI assessments that are valuable indicators of a person's health and fitness levels. Whether integrated into mobile applications, web platforms or enterprise systems, the API seamlessly incorporates BMI calculations into existing workflows, improving user experience and engagement.

As demand for personalized health and wellness solutions grows, the BMI Metric Assessment API becomes a valuable asset for users looking to improve health outcomes. Leveraging data-driven insights and predictive analytics, the API enables users to take control of their health, make informed decisions and embark on a journey towards a healthier lifestyle. With its exceptional accuracy, flexibility and scalability, the BMI Metric Assessment API is set to revolutionize the way BMI assessments are conducted and used in the digital age.


What this API receives and what your API provides (input/output)?

It will receive parameters and provide you with a JSON.


What are the most common uses cases of this API?

  1. Fitness and Wellness Apps: Integrate BMI calculations into fitness apps to help users monitor their health and fitness progress. The app can provide personalized workout and diet recommendations based on the user's BMI.

    Healthcare Management Systems: Use the BMI Calculation API in electronic health record (EHR) systems to quickly calculate and record patients' BMI during medical check-ups. This can help healthcare providers monitor patient health over time.

    Telemedicine Platforms: Incorporate BMI calculations into telemedicine services to provide remote health assessments. This can assist doctors in diagnosing and managing conditions related to weight, such as obesity or malnutrition.

    Nutrition and Diet Apps: Enable diet planning apps to calculate BMI and offer customized dietary plans and nutrition advice based on the user's BMI category, promoting healthier eating habits.

    Corporate Wellness Programs: Implement the API in corporate wellness platforms to help employees track their BMI as part of a broader health and wellness initiative, encouraging a healthier workplace environment.


Are there any limitations to your plans?

1,000 requests per hour in all plans.

API Documentation


To use this endpoint you must indicate a value of kg and cm in the parameters.


BMI Metric - Endpoint Features
Object Description
kg [Required]
cm [Required]
Test Endpoint


                                                                                                                                                                                                                            {"bmi":24.221453287197235,"height_in_cm":170,"weight_in_kg":70,"bmiCategoryForAdults":{"category":"Normal","range":"18.5 - 25","normalRange":"18.5 - 25"}}


curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


To use this endpoint you must indicate a value of lbs and inches in the parameters.


BMI Imperial - Endpoint Features
Object Description
lbs [Required]
inches [Required]
Test Endpoint


                                                                                                                                                                                                                            {"bmi":1.7027681660899652,"height_in_inches":170,"weight_in_lbs":70,"bmiCategoryForAdults":{"category":"Underweight","range":"0 - 18.5","normalRange":"18.5 - 25"}}


curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the BMI Calculation API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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To use this API, users must indicate kg and cm (Metric) or lbs inches (Imperial).

The BMI Calculation API allows users to programmatically calculate Body Mass Index (BMI) values from input parameters such as height and weight.

There are different plans to suit everyone, including a free trial for a small number of requests, but its rate is limited to avoid abuse of the service.

Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.

BMI Calculation API can be useful in a variety of contexts, from personal health monitoring to medical assessment, diet planning, corporate wellness programs and medical research.

Zyla API Hub is, in other words, an API MarketPlace. An all-in-one solution for your developing needs. You will be accessing our extended list of APIs with only your user. Also, you won't need to worry about storing API keys, only one API key for all our products is needed.

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