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NexusAPI Body Fat Calculator
x402
NexusAPI Body Fat Calculator is a paid API for AI agents from nexus-api-peach-nine.vercel.app, paid per call via x402, $0.053455/call, status unknown (last checked 2026-09-14).
Estimates body fat percentage based on user-provided physical measurements or query parameters
Price / call$0.053455
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 likely body composition metrics such as fat mass and lean mass, based on provided physical measurements.
Example use cases
Fitness progress tracking for gym app
“I'm working with a personal trainer and want to monitor my body composition changes weekly. Can you estimate my body fat percentage? I'm 5'10", weigh 175 pounds, my waist is 32 inches, neck is 14 inches, and hip measurement is 36 inches.”
Health assessment in wellness platform
“I'm starting a new health program and need a baseline body composition reading. Can you calculate my body fat percentage based on these measurements: I'm 5'6" tall, 155 pounds, with a 28-inch waist, 12-inch neck, and 37-inch hips.”
Fitness goal validation for coaching
“My coach asked me to track my body composition to see if I'm building lean mass correctly. Can you estimate my body fat percentage? I'm a 25-year-old female, 5'5", 135 pounds, with measurements of 26 inches waist, 11 inches neck, and 35 inches hips.”
Technical details
Endpoint
POSThttps://nexus-api-peach-nine.vercel.app/api/health/body-fatWhen to prefer
Use this endpoint when you need a quick, pay-per-call body fat estimation without managing API keys. Suitable for fitness apps, health dashboards, or AI agents that need on-demand body composition data integrated with Base/USDC payment flows.
Side effects
- Missing required measurement fields returns a validation error
- Out-of-range values (e.g. negative height) may return an error or unexpected result
- Ambiguous or incomplete query string may return a generic or null response
- Service unavailable returns a 5xx error
- Payment failure or insufficient USDC balance prevents call from completing
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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