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klymax402 Unit Converter API
x402
klymax402 Unit Converter API is a paid API for AI agents from klymax402.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Converts a numeric value from one unit to another across categories like length, weight, temperature, volume, speed, and data storage
Price / call$0.003
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
Returns a JSON object with the original input (value and unit), the converted output (value and unit), the conversion formula used, and the detected or provided unit category (e.g. temperature, length, weight).
Example use cases
Recipe unit conversion for cooking
“I need to convert 250 milliliters to cups — what's that in imperial volume units?”
Travel distance calculation
“How many miles is 42 kilometers? I'm trying to figure out my marathon distance.”
Data storage unit conversion
“Convert 2048 megabytes to gigabytes so I know how much space I'm using on my drive.”
Technical details
Endpoint
GEThttps://klymax402.com/api/unit-converter/api/convertWhen to prefer
Use this endpoint when an AI agent needs a quick, reliable unit conversion without maintaining its own conversion logic. Ideal for agents handling user queries about measurements, travel, cooking, fitness, or data storage where a simple numeric conversion is needed on-demand. At $0.003/call and no API key required, it's well-suited for lightweight agentic workflows that occasionally need unit math without bundling a full math library.
Side effects
- Unsupported or misspelled unit name returns an error or empty result
- Incompatible unit pair (e.g. converting kg to miles) may return an error
- Missing required fields (value, from, to) result in a 400-level error
- Very large or very small numeric values may cause precision issues
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | Target unit (e.g. mi, kg, fahrenheit, gal, km/h, GB) |
| from | string | Source unit (e.g. km, lb, celsius, l, mph, MB) |
| value | number | The numeric value to convert |
| category | string | Optional category hint: length, weight, temperature, volume, speed, data |
Output
Schema · Response
{
"type": "json",
"example": {
"input": {},
"output": {},
"formula": "example",
"category": "example"
}
}Tags
x402
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