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NexusAPI Body Fat Calculator
x402
NexusAPI Body Fat Calculator is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.132459/call, status unknown (last checked 2026-09-15).
Estimates body fat percentage based on user-provided physical measurements or query input
Price / call$0.132459
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns an estimated body fat percentage and potentially a body composition category (e.g., essential fat, athlete, fitness, average, obese) based on the provided physical measurements or query input.
Example use cases
Personal fitness goal tracking
“I want to know my current body fat percentage — I'm a 25-year-old woman, 5'5", 140 pounds, with a waist of 30 inches and hips of 38 inches.”
Gym client assessment tool
“My client is a 35-year-old man, 6 feet tall, 200 pounds, with a waist circumference of 36 inches — can you estimate his body fat percentage?”
Health check before starting a diet
“Before I start my new diet, what is my body fat percentage? I'm 40 years old, female, 5'4", 160 pounds, waist 33 inches, hips 40 inches.”
Technical details
Endpoint
POSThttps://nexus-api-virid.vercel.app/api/health/body-fatWhen to prefer
Use this endpoint when you need a quick, pay-per-call body fat estimation without maintaining API keys or subscriptions. Ideal for fitness apps, health chatbots, or agent workflows that need on-demand body composition data without integrating a full health platform.
Side effects
- Missing required measurements result in an error or inaccurate estimate
- Invalid or out-of-range values (e.g., negative weight) may cause errors
- Ambiguous query string without sufficient detail may yield a generic or unhelpful response
- API returns generic error if the query parameter is malformed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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