Getting Started¶

Welcome to Health Fitness API 🚀
You can start integrating powerful health, fitness, nutrition, and risk assessment endpoints in just a few minutes.

We offer two ways to access the API:

1. HefitAPI Platform (Recommended – Enterprise Grade)
2. RapidAPI Marketplace (Small Apps & Testing)

🚀 Option 1: HefitAPI Platform (Recommended)¶

Best for:

• SaaS applications
• Production apps
• Enterprise systems
• High-volume usage
• Multi-language support (8 languages)
• Access to v1.0.0 endpoints (35+ new endpoints)

Step 1: Create Your Account¶

Click below to access the dashboard:

Login to HefitAPI Dashboard

Step 2: Generate Your API Key¶

Inside the dashboard:

1. Navigate to API Keys
2. Generate a new key
3. Copy and store it securely

Your API key will look like:

X-API-Key: thfa_xxxxxxxxxxxxx

Step 3: Make Your First Request¶

Example using the Daily Caloric Needs endpoint:

curl -X GET "https://api.hefitapi.com/api/v1/dcn?age=36&weight=81&height=177&gender=male&activity_level=moderately_active&goal=maintenance&equation=mifflin&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

You will instantly receive:

• Calorie target
• BMR
• Energy band classification
• Risk signal
• Monitoring plan
• Enterprise metadata

🌍 Multi-Language Support¶

v1.0.0 supports:

• en English
• es Spanish
• de German
• fr French
• pt Portuguese
• ja Japanese
• hi Hindi
• ar Arabic

Just add:

&lang=es

to localize responses instantly.

🌐 Option 2: RapidAPI Marketplace¶

RapidAPI access is ideal for:

• Personal projects
• Lightweight apps
• Prototyping
• Marketplace-based integrations

Access here:

View on RapidAPI

RapidAPI Authentication Example¶

curl -X GET "https://health-calculator-api.p.rapidapi.com/bmi?weight=81&height=177" \
  -H "X-RapidAPI-Key: YOUR_RAPIDAPI_KEY" \
  -H "X-RapidAPI-Host: health-calculator-api.p.rapidapi.com"

⚠️ Important:

The latest v1.0.0 endpoints (35+ new endpoints and multi-language support) are not available via RapidAPI. They are only accessible via:

https://api.hefitapi.com

📊 Choosing the Right Route¶

⚡ Production Integration Tips¶

• Always use header authentication (X-API-Key)
• Store API keys securely in environment variables
• Monitor usage in dashboard
• Use multi-language support for international apps
• Implement retry logic for production systems
• Separate development and production API keys

🧠 Next Steps¶

After your first successful request:

1. Explore the API Reference
2. Review Pricing
3. Configure user roles (Admin / Developer / Finance)
4. Monitor usage analytics
5. Scale with confidence

Need Enterprise Scale?¶

If you require:

• SLA-backed uptime
• Private region deployment
• High concurrency support
• Dedicated infrastructure
• Custom pricing

Visit the Enterprise Solutions page to learn more.

Health Fitness API Powering modern digital health infrastructure.