API Ninjas Exercises
FreemiumLiveLast verified 29 Sept 2026
Searches 3,000+ exercises by name, muscle group, type, difficulty and equipment, with instructions.
Example request
curl -s -H 'X-Api-Key: $API_KEY' 'https://api.api-ninjas.com/v1/exercises?muscle=biceps'
Free tier, in plain English
A free key gives 3,000 calls a month for evaluation and demos, with attribution and no commercial use. Paid plans from $39 a month allow commercial use.
Alternatives in Fitness
ExerciseDB V1 (free, by AscendAPI)1,500 exercises with animated GIFs, target and secondary muscles, equipment and step-by-step instructions.FreemiumPixelaRecords daily habit/effort quantities per user and renders them as GitHub-style contribution graphs.FreemiumwgerOpen exercise database, workout routines and nutrition/ingredient data from the wger project.Your Move - Exercise APIExercise library with 1,400+ HD videos, muscle/equipment data, and AI workout/program generation.Free trial
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