CalcBright Health API

The Health API from CalcBright — 20 operation(s) for health.

Operations 20

GET /api/calc/bmi-calculator BMI & Calorie Calculator #
GET /api/calc/bmr-calculator BMR Calculator #
GET /api/calc/body-fat-calculator Body Fat Calculator #
GET /api/calc/body-surface-area-calculator Body Surface Area Calculator #
GET /api/calc/calorie-deficit-calculator Calorie Deficit Calculator #
GET /api/calc/calories-burned-calculator Calories Burned Calculator #
GET /api/calc/heart-rate-zone-calculator Heart Rate Zone Calculator #
GET /api/calc/ideal-weight-calculator Ideal Weight Calculator #
GET /api/calc/lean-body-mass-calculator Lean Body Mass Calculator #
GET /api/calc/macro-calculator Macro Calculator #
GET /api/calc/one-rep-max-calculator One Rep Max Calculator #
GET /api/calc/ovulation-calculator Ovulation Calculator #
GET /api/calc/pace-calculator Pace Calculator #
GET /api/calc/period-calculator Period Calculator #
GET /api/calc/pregnancy-due-date-calculator Pregnancy Due Date Calculator #
GET /api/calc/protein-calculator Protein Calculator #
GET /api/calc/sleep-calculator Sleep Calculator #
GET /api/calc/tdee-calculator TDEE Calculator #
GET /api/calc/waist-to-hip-ratio-calculator Waist-to-Hip Ratio Calculator #
GET /api/calc/water-intake-calculator Water Intake Calculator #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/calcbright-com:calcbright-com-health-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

calcbright-com-health-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: CalcBright Calculator Health API
  version: 1.0.0
  description: 'Free, keyless JSON API for 167 calculators and converters. Every response includes a human-readable summary and a link to the full calculation on calcbright.com. MCP endpoint: https://calcbright.com/mcp'
  contact:
    email: contact@calcbright.com
    url: https://calcbright.com/developers
servers:
- url: https://calcbright.com
tags:


# --- truncated at 32 KB (40 KB total) ---
# Full source: https://artifacts.apis.io/calcbright-com/openapi/calcbright-com-health-api-openapi.yml