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Calcules Health API - Smart Health & Nutrition Tools for Developers

Table of Contents

  1. Overview
  2. Features
  3. Getting Started
  4. Usage
  5. Endpoints
  6. Examples
  7. Support
  8. License

Overview

The Calcules Health API is a developer-first toolkit for accurate, science-based health and nutrition metrics. It enables quick integration of key calculations like BMI, BMR, and water intake into health apps, fitness platforms, chatbots, and wellness dashboards.


Features

  • Body Mass Index (BMI): Measure body fat using height and weight.
  • Basal Metabolic Rate (BMR): Understand daily resting energy expenditure.
  • Daily Water Intake: Recommend hydration levels based on weight.
  • (More endpoints coming soon! Request features via our site.)

Getting Started

To start using the Calcules Health API:

  1. Sign Up on Rapid API and subscribe.
  2. Get Your API Key from your RapidAPI dashboard.
  3. Check the Docs on RapidAPI Documentation for full parameter info.
  4. Integrate using simple HTTP calls or SDKs.

Usage

Authentication

All requests require authentication via API key.

X-RapidAPI-Key: YOUR_API_KEY

Endpoints

Endpoint Description
/v1/tools/nutrition/bmi Calculate Body Mass Index (BMI)
/v1/tools/nutrition/bmr Calculate Basal Metabolic Rate (BMR)
/v1/tools/nutrition/water-intake Recommend daily water intake

View complete documentation and test requests at RapidAPI Docs.


Examples

Example 1: Calculate BMI

GET /v1/tools/nutrition/bmi?height=180&weight=75&system=Metric

Example 2: Calculate BMR

GET /v1/tools/nutrition/bmr?age=30&height=180&weight=75&sex=Male&system=Metric

Example 3: Water Intake

GET /v1/tools/nutrition/water-intake?weight=75&system=Metric

Support

For custom plans / high tier plans, custom services or any other subject, feel free to drop us a message or an email and we will get back to you shortly:

More endpoints coming soon! Let us know what you'd like to see next.


© 2025 Calcules. All rights reserved.