Skip to content

Sweat Rate Sodium API

Return sweat-rate and sodium-loss estimates for sport, endurance, and heat-exposure planning.

Endpoint

  • GET /api/v1/fitness/sweat-rate-sodium
  • POST /api/v1/fitness/sweat-rate-sodium/post

Parameters

Name Type Required In Description
pre_workout_weight_kg number Yes Query/Body Body weight before exercise.
post_workout_weight_kg number Yes Query/Body Body weight after exercise.
fluid_consumed_liters number Yes Query/Body Fluid consumed during exercise.
duration_minutes number Yes Query/Body Session duration in minutes.
sweat_profile string No Query/Body salty, normal, or dilute; defaults to normal.
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/sweat-rate-sodium?pre_workout_weight_kg=78&post_workout_weight_kg=77.2&fluid_consumed_liters=0.6&duration_minutes=90&sweat_profile=normal&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

curl -X POST "https://api.hefitapi.com/api/v1/fitness/sweat-rate-sodium/post?lang=en" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{"pre_workout_weight_kg":78,"post_workout_weight_kg":77.2,"fluid_consumed_liters":0.6,"duration_minutes":90,"sweat_profile":"normal"}'

Response Example

{
  "sweat_loss_liters": 1.4,
  "sweat_rate_l_hr": 0.93,
  "sodium_loss_mg": 1120.0,
  "sweat_rate_band": "moderate",
  "sweat_rate_label": "Moderate sweat rate",
  "sweat_profile": "normal",
  "sweat_profile_label": "Normal sweat profile",
  "summary": "Moderate sweat rate. Structured fluid and electrolyte replacement is recommended for longer sessions.",
  "recommendations": {
    "hydration": ["Drink 500-750ml of fluid per hour of active training."],
    "electrolytes": ["Use standard electrolyte formulation (600-900mg/L) for sessions exceeding 60 minutes."]
  },
  "language": "en",
  "_api_metadata_": {"endpoint_name": "sweat_rate_sodium", "response_language": "en"}
}

Localization

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