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Waist To Height API

Return WHtR and health-risk classification from waist and height measurements.

Endpoint

  • GET /api/v1/health/waist-to-height
  • POST /api/v1/health/waist-to-height/post

Parameters

Name Type Required In Description
waist number Yes Query/Body Waist circumference.
height number Yes Query/Body Height.
units string No Query/Body metric or imperial; defaults to metric.
lang string No Query Response language (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).

Request Example

curl -X POST "https://api.hefitapi.com/api/v1/health/waist-to-height/post?lang=en" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{"waist":88,"height":176,"units":"metric"}'

Response Example

{
  "waist": 88.0,
  "height": 176.0,
  "units": "metric",
  "waist_to_height_ratio": 0.5,
  "risk_category": "increased",
  "risk_category_label": "Increased cardiometabolic risk",
  "summary": "Waist-to-height ratio indicates increased cardiometabolic risk.",
  "recommendations": [],
  "language": "en",
  "_api_metadata_": {"endpoint_name": "waist_to_height", "response_language": "en"}
}

Localization

This endpoint reads health_fitness_waist_to_height.json from the supported language catalogs.