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SignalDesk AI — Kilojoule to Kilocalorie Converter
x402
SignalDesk AI — Kilojoule to Kilocalorie Converter is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).
Converts a numeric energy value from kilojoules (kJ) to kilocalories (kcal) using IEEE-754 double precision arithmetic.
Price / call$0.001
Success—
StatusUnknown
How this service works
Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.
Output
Returns a JSON object with the original value in kilojoules ('value'), the converted result in kilocalories ('converted') computed at IEEE-754 double precision, the source unit label ('from': 'kilojoule'), the target unit label ('to': 'kilocalorie'), the physical dimension ('energy'), and the precision specification string.
Example use cases
Nutrition label energy conversion
“This food product says it has 840 kJ per serving — how many kilocalories is that?”
Physics homework energy check
“I need to convert 1250 kilojoules to kilocalories for my thermodynamics problem set.”
Fitness tracker unit normalization
“My workout app recorded 2300 kJ burned today — what's that in kilocalories so I can log it in MyFitnessPal?”
Technical details
Endpoint
GEThttps://x402-agent.kariguetoazul.workers.dev/api/units/energy/kilojoule-to-kilocalorie?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, precise, single-call kilojoule-to-kilocalorie conversion with a structured JSON response including unit metadata. Suitable for nutrition apps, scientific tools, or any agent pipeline that needs programmatic energy unit normalization without building local conversion logic.
Side effects
- Missing or non-numeric 'value' query parameter returns an error
- Negative value rejected (schema enforces minimum: 0)
- Value exceeding 1e+100 rejected by schema maximum constraint
- Payment not provided or invalid x402 payment results in 402 response
- Network timeout on the Cloudflare Worker edge
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "kilocalorie",
"from": "kilojoule",
"value": 123.45,
"converted": 29.50525812619503,
"dimension": "energy",
"precision": "IEEE-754 double"
}
}Tags
x402
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