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SignalDesk AI – Calorie to Watt-Hour Energy Converter
x402
SignalDesk AI – Calorie to Watt-Hour Energy 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 thermochemical calorie value to its equivalent in watt-hours 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
A JSON object containing the original value and unit ('calorie'), the converted value in watt-hours as an IEEE-754 double, the target unit ('watt-hour'), the physical dimension ('energy'), and a precision label ('IEEE-754 double').
Example use cases
Battery capacity from food energy
“I have a snack bar that contains 250 calories — how many watt-hours of energy is that? Convert it for me.”
Physics homework energy conversion
“I need to convert 1800 thermochemical calories into watt-hours for my physics assignment. Can you do that?”
Solar panel daily output check
“My panel produced energy equivalent to 5000 calories today — what is that in watt-hours?”
Technical details
Endpoint
GEThttps://x402-agent.kariguetoazul.workers.dev/api/units/energy/calorie-to-watt-hour?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, precise, pay-per-call calorie-to-watt-hour conversion with a well-defined JSON response schema and no setup overhead. Prefer it over general-purpose unit libraries when operating within an x402 micropayment-enabled agent pipeline that already handles USDC payments, or when you need IEEE-754 double precision guarantees documented in the response.
Side effects
- Missing required 'value' query parameter returns an error
- Negative input value rejected (minimum is 0)
- Value exceeding 1e+100 rejected by schema validation
- Non-numeric input causes a 400-level error
- Service unavailable if Cloudflare Worker quota exceeded
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "watt-hour",
"from": "calorie",
"value": 123.45,
"converted": 0.1434763333333333,
"dimension": "energy",
"precision": "IEEE-754 double"
}
}Tags
x402
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