CalcAPI
Lightweight REST API for mathematical and statistical computations
v1.4.2
free tier
no auth required
Endpoints
GET/api/v1/stats
Returns basic descriptive statistics for a dataset
GET /api/v1/stats?data=4,8,15,16,23,42
{"mean":18.0,"median":15.5,"std":13.07,"min":4,"max":42,"count":6}
GET/api/v1/primes
Returns prime numbers up to N (max 10000)
GET /api/v1/primes?limit=20
{"primes":[2,3,5,7,11,13,17,19],"count":8}
POST/api/v1/matrix
Matrix multiplication for 2x2 and 3x3 matrices
POST /api/v1/matrix
{"a":[[1,2],[3,4]],"b":[[5,6],[7,8]]}
{"result":[[19,22],[43,50]],"ms":0.3}
GET/api/v1/ping
Health check
GET /api/v1/ping
{"status":"ok","uptime":1423871,"version":"1.4.2"}
Rate Limits
Free tier: 100 req/min per IP. No API key required for public endpoints.