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Metabolic Rate Adaptation API

Return a metabolic rate adaptation index for fat-loss phases and deficit reviews.

Endpoint

  • GET /api/v1/fitness/metabolic-rate-adaptation
  • POST /api/v1/fitness/metabolic-rate-adaptation/post

Parameters

Name Type Required In Description
actual_weight_loss_kg number Yes Query/Body Real weight loss achieved.
expected_weight_loss_kg number Yes Query/Body Theoretical weight loss from cumulative deficit.
deficit_duration_weeks integer Yes Query/Body Duration of deficit phase in weeks.
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 GET "https://api.hefitapi.com/api/v1/fitness/metabolic-rate-adaptation?actual_weight_loss_kg=4.2&expected_weight_loss_kg=6&deficit_duration_weeks=10&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

Response Example

{
  "actual_weight_loss_kg": 4.2,
  "expected_weight_loss_kg": 6.0,
  "deficit_duration_weeks": 10,
  "adaptation_index_percent": 30.0,
  "adaptation_band": "moderate",
  "adaptation_band_label": "Moderate adaptation",
  "summary": "Metabolic adaptation appears moderate and should be managed with recovery phases.",
  "recommendations": [],
  "language": "en",
  "_api_metadata_": {"endpoint_name": "metabolic_rate_adaptation", "response_language": "en"}
}

Localization

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