One integration surface
Health logic, composed.
A consistent REST contract across body composition, metabolism, heart health, nutrition, training, recovery and risk.
Trusted API Infrastructure
Deploy health
intelligence
at enterprise speed.
Health Fitness API By Dakidarts® gives product teams a single, production-ready platform for health, fitness and wellness intelligence. Integrate once. Scale globally. Keep every request observable and secure.
Built for traffic
Direct infrastructure for real workloads.
The production host is designed for high concurrency, burst traffic, quota controls and enterprise governance.
Endpoint surface
107
Production-grade endpoints across core health and fitness domains.
Localization
26
Production locales through direct api.hefitapi.com routing.
Unit economics
$0.0002555
Core cost per request. One credit equals one request.
API Categories
Explore our intelligence modules.
The endpoint library spans calculation, interpretation, planning, recovery and screening workflows for modern health products.
Diabetes & Blood Sugar
Integrate blood sugar and diabetes tracking capabilities with HOMA-IR, QUICKI, eAG and risk-oriented estimations.
View DocumentationNutrition & Diet
Build personalized macro, keto, hydration, micronutrient and meal-planning intelligence into wellness products.
View DocumentationBody Composition
Move beyond BMI with body fat, FFMI, lean mass, ideal weight and body recomposition forecasting.
View DocumentationFitness & Training
Generate daily and weekly plans, progression targets, deload phases, training load and plateau-breaker logic.
View DocumentationMetabolism & Energy
Use BMR, TDEE, RMR, EER, Katch-McArdle and metabolic-adaptation calculations for accurate energy logic.
View DocumentationPerformance & Sports
Power athletic products with VO₂max, running economy, race prediction, 1RM and strength benchmarks.
View DocumentationRecovery & Longevity
Model readiness, muscle recovery, sleep optimization, central fatigue and longevity-oriented signals.
View DocumentationRisk & Health Assessment
Add structured screening for sedentary risk, injury risk, kidney function and other health indicators.
View DocumentationHeart & Cardiovascular
Deploy LDL, VLDL, QTc, heart-rate zones, ABI and cholesterol interpretation utilities.
View DocumentationSecurity & Compliance Posture
Operational trust is part of the contract.
Built for SaaS teams that need access control, request accountability and policy-friendly architecture from day one.
Credential Security
Header-based X-API-Key authentication with role-scoped dashboard workflows.
- Admin, Developer and Finance roles
- Usage and quota tracking
- Enterprise metadata for auditability
- Shared or private deployment paths
Global Response Layer
26 production locales. One request model.
Localized outputs are available when requests are sent directly to api.hefitapi.com. Multilingual mode is not supported on RapidAPI.
English
United States · Latin · Left to right
GET /api/v1/bmi?lang=enPay-as-you-go · Credit Based
Scale usage with demand.
No forced fixed tier to get started. Buy credits, consume by request, and move to enterprise commercial terms when your workload requires it.
View pricingDirect API behavior
GET + POST locale control
- Pass lang in the URL query
- Direct host enables multilingual output
- RapidAPI routing remains English-only
- Same REST + JSON integration model
What You Can Build
One API layer, many product surfaces.
Use a single integration contract across consumer, provider, performance and enterprise workflows.
01
Fitness & Gym Apps
Training plans, progression logic, energy expenditure and recovery signals in one product surface.
02
Nutrition Tracking
Macro planning, calorie targets and recommendation workflows tied to user goals.
03
Healthcare SaaS
Health indicators, summary outputs and operational metrics for provider-facing or internal tools.
04
Cardiovascular Monitoring
Heart-rate zone logic, cardio estimations and risk-aware interpretation layers.
05
Risk Assessment
Assessment workflows for scoring, screening, onboarding and intervention prioritization.
06
Biohacking Analytics
Readiness, fatigue, recovery and body intelligence for premium analytics experiences.
07
Mobile Wellness
Daily habit loops, mobile check-ins and personalized coaching surfaces.
08
Corporate Wellness
Employee wellness programs with measurable activity, health targets and engagement workflows.
09
Insurance & Actuarial
Support underwriting tools, risk segmentation and population-level health evaluation.
Launch path
From first request to production.
Create your workspace
Sign up in the dashboard and define the team access model.
Generate an API key
Create a scoped key and authenticate requests through X-API-Key.
Ship and observe
Read the docs, monitor usage and scale traffic against predictable credit economics.
Ready for production?
Launch health and fitness features without rebuilding the math.
Frequently Asked Questions
Production details, plainly answered.
Use your API key in the
X-API-Key header for every request sent to api.hefitapi.com.Multilingual responses are available through direct API calls to
api.hefitapi.com and are not supported on RapidAPI.The direct API supports
en, fr, es, de, pt, ja, hi, ar, bn, gu, id, it, ko, mr, nl, pa, pl, ro, ru, ta, te, th, tr, ur, vi, zh using the lang query parameter.Purchase credits, then consume them through API requests. The core conversion is 1 USD = 3,913.89 credits, with one credit equal to one request.
Use
dashboard.hefitapi.com for keys, billing and role-based workspace management, and docs.hefitapi.com for integration guides.Default rate limits apply per API key and can be increased for enterprise plans. Contact sales for higher ceilings.
The production infrastructure targets high availability with continuous monitoring, health checks and failover-oriented operational controls.
Health and fitness calculations are based on established formulas and are validated against clinical and sports-science references documented by the product team.