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BMI Calculator with WHO Category
x402
BMI Calculator with WHO Category is a paid API for AI agents from minty-sprout.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-01).
Calculates body mass index (BMI) and returns the corresponding WHO adult weight category from weight (kg) and height (cm).
Price / call$0.001
Success—
StatusUnknown
How this service works
BMI calculator: body mass index and WHO category from weight and height. Input: 'weight kg, height cm'.
Output
Returns a JSON object with the computed BMI value (float), the WHO adult weight category (e.g. 'normal', 'overweight', 'obese', 'underweight'), the input weight in kg, the input height in cm, and a brief note that results are not medical advice.
Example use cases
Personal health check for a user
“I weigh 95 kg and I'm 180 cm tall — what's my BMI and am I in a healthy range according to WHO?”
Fitness app onboarding assessment
“Calculate the BMI and WHO category for a new user who is 165 cm tall and weighs 60 kg.”
Health report for clinical notes
“What is the BMI and WHO weight classification for a patient weighing 110 kg at a height of 170 cm?”
Technical details
Endpoint
POSThttps://minty-sprout.onrender.com/v1/bmi?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, serverless BMI computation with WHO category labeling and no setup required. Ideal for health dashboards, fitness apps, or conversational agents that need an instant body-weight classification. It is simpler and cheaper than building custom health-metric logic, and returns the standard WHO adult categories directly.
Side effects
- Missing or malformed input string (no weight or height values) — may return an error or unexpected output
- Height of zero or negative value causing division-by-zero in BMI formula
- Non-numeric characters in the input string — parser may fail to extract values
- Extreme or physiologically implausible values (e.g. 0 kg, 500 cm) may produce unusual category results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | 'weight kg, height cm' |
Output
Schema · Response
{
"type": "json",
"example": {
"bmi": 22.9,
"note": "WHO adult categories; not medical advice.",
"category": "normal",
"height_cm": 175,
"weight_kg": 70
}
}Tags
x402
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