Skip to content

Keto Calculator API

Generate keto macros for cut, maintain, or gain scenarios with current-weight and target-weight calorie context.

Endpoint

  • GET /api/v1/keto-calculator
  • POST /api/v1/keto-calculator/post

Parameters

Name Type Required In Description
sex string Yes Query/Body male or female.
weight number Yes Query/Body Weight in kg (metric) or lb (imperial).
height number Yes Query/Body Height in cm (metric) or inches (imperial).
age integer Yes Query/Body Age in years.
activity_level string No Query/Body sedentary,lightly_active,moderately_active,very_active,extra_active,athlete.
target_weight number No Query/Body Target body weight; defaults to current weight.
diet string No Query/Body normal or strict.
unit string No Query/Body metric (default) or imperial.
lang string No Query Response language (en,es,de,fr,pt,ja,hi,ar).

Why Use This Endpoint

  • Automate keto macros with activity-adjusted calorie logic.
  • Compare current-weight maintenance vs target-weight recommendation.
  • Plug directly into meal planning and tracking products.

Get Started

Request Example

curl -X GET "https://api.hefitapi.com/api/v1/keto-calculator?sex=female&weight=68&height=167&age=31&activity_level=moderately_active&target_weight=63&diet=strict&unit=metric&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

curl -X POST "https://api.hefitapi.com/api/v1/keto-calculator/post?lang=en" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{"sex":"male","weight":186,"height":71,"age":36,"activity_level":"very_active","target_weight":180,"diet":"normal","unit":"imperial"}'

Response Example

Info

The response example below is for demonstration purposes only. Make a live request to this endpoint to receive the full, real-time, and potentially richer JSON structure.

{
  "recommended_calories": {
    "target_weight": "1760 kcal/day",
    "current_weight": "2200 kcal/day"
  },
  "fats": {
    "percentage": "70 %",
    "kcal_per_day": "1232 kcal/day",
    "grams_per_day": "136.9 g/day",
    "grams_per_day_tdee": "171.1 g/day"
  },
  "carbohydrates": {
    "percentage": "5 %",
    "kcal_per_day": "88 kcal/day",
    "grams_per_day": "22.0 g/day",
    "grams_per_day_tdee": "27.5 g/day"
  },
  "proteins": {
    "percentage": "25 %",
    "kcal_per_day": "440 kcal/day",
    "grams_per_day": "110.0 g/day",
    "grams_per_day_tdee": "137.5 g/day"
  },
  "goal_mode": "cut",
  "goal_mode_label": "Fat Loss",
  "diet_profile": "Strict keto profile.",
  "activity_context": "Moderate activity workload.",
  "action_plan": ["Keep carbs tightly controlled around schedule"],
  "monitoring_plan": "Audit adherence and trend weekly.",
  "_enterprise": {
    "client": "Acme Health",
    "plan": "pro",
    "request_id": "8fe037e14926af3b",
    "quota": 120,
    "usage_tracking": true
  },
  "_api_metadata_": {
    "endpoint_name": "keto_calculator",
    "response_language": "en"
  }
}

Product Positioning

Production-ready for keto coaches, meal planning SaaS platforms, and enterprise nutrition workflows.

Note

Invalid activity_level, diet, or unit values return HTTP 400.