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Weight Unit Converter API
x402
Weight Unit Converter API is a paid API for AI agents from weight402endpoint.vercel.app, paid per call via x402, $0.0025/call, status unknown (last checked 2026-09-15).
Converts a weight or mass value between units such as kg, g, lb, oz, stone, and tonne
Price / call$0.0025
Success—
StatusUnknown
How this service works
Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).
Output
Returns the converted weight value in the requested target unit, given a source value and unit pair.
Example use cases
Example prompt
“Convert 185 pounds to kilograms for me.”
Technical details
Endpoint
GEThttps://weight402endpoint.vercel.app/api/convert-weightWhen to prefer
Use this endpoint when you need a simple, fast, single-value weight or mass unit conversion between common units like kg, g, lb, oz, stone, or tonne, especially when a lightweight pay-per-call approach is preferred over integrating a full-featured unit conversion SDK.
Side effects
- Missing required input parameter returns 400 error
- Unsupported unit type returns an error indicating valid units
- Non-numeric weight value causes validation failure
- Payment not provided or insufficient results in 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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