Personalised workout plans, exercise guides and nutrition advice from one AI endpoint.
Best free Health & fitness APIs
9 Health & fitness APIs with a free plan, compared side by side on endpoints, latency and price.
Which one to pick
- AI Workout Planner covers the most ground with 5 endpoints.
- AI Workout Planner answers fastest, at 2124ms.
- AI Workout Planner was updated most recently, on 2025-11-26.
- Past the free plan, AI Workout Planner is the cheapest at $9.99 a month.
Choosing between APIs in the same category usually comes down to four numbers: how much surface the API covers, how fast it answers, how reliably it stays up and what it costs once the free tier runs out. The table below puts those numbers next to each other so the comparison takes a minute rather than an afternoon of tab-switching.
Every service listed here has a plan that costs nothing and needs no card, so the shortlist can be tested before any of it is paid for.
Frequently asked questions
- How many free Health & fitness APIs are listed here?
- This catalogue lists 9 Health & fitness APIs, all with a plan that costs $0. The most used are AI Workout Planner, AI blood test analysis — instant health reports, AI doctor API — medical chatbot & healthcare assistant.
- Which free Health & fitness API covers the most endpoints?
- AI Workout Planner covers the most ground with 5 endpoints.
- Which free Health & fitness API answers fastest?
- AI Workout Planner answers fastest, at 2124ms.
- What does the cheapest paid Health & fitness plan cost?
- Past the free plan, AI Workout Planner is the cheapest at $9.99 a month.
- Are these Health & fitness APIs really free?
- Yes. Every Health & fitness API listed here has a plan that costs $0 a month and needs no card. Paid plans exist for higher volume and their prices are in the table above.
Best free Health & fitness APIs
Blood test reports analysed for abnormalities, with AI-written health assessments.
Real-time medical conversations with symptom analysis and recommendations.
Symptom analysis with differential diagnoses and health recommendations.
Symptom analysis for dogs, cats, rabbits, hamsters, parrots and birds.
X-ray analysis that returns a fast, structured radiology report.
Smile analysis, cavity detection and gum disease screening from photos.
Photo body analysis, body fat and BMI, plus nutrition and workout plans.
Photo-based skin and hair analysis with routines and product recommendations.