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ApexAPI Length Unit Converter
x402
ApexAPI Length Unit Converter is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.147418/call, status unknown (last checked 2026-10-11).
Converts a length value from one unit of measurement to another (e.g. meters to feet, miles to kilometers)
Price / call$0.147418
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 the converted length value in the requested target unit, along with the result of the unit conversion computation.
Example use cases
Example prompt
“Convert 26.2 miles to kilometers for me — I need the exact length in metric units.”
Technical details
Endpoint
POSThttps://apex-api-gamma.vercel.app/api/tools/convert/length?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to perform on-demand length/distance unit conversions without maintaining its own conversion logic, especially in a pay-per-call workflow on Base using USDC and no API key management.
Side effects
- Invalid or unrecognized unit type returns an error
- Missing or malformed query string returns 400 bad request
- Unsupported unit combination returns no result
- Payment failure (insufficient USDC) returns 402 error
- Ambiguous query string with no parseable value or unit returns an error
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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