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SignalDesk AI Joule to Calorie Converter
x402
SignalDesk AI Joule to Calorie 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 an energy value from joules to calories 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 in joules, the converted value in calories, the source and target unit labels ('joule' and 'calorie'), the dimension ('energy'), and a note that IEEE-754 double precision was used for the computation.
Example use cases
Physics homework energy conversion
“I need to convert 4184 joules to calories for my physics assignment — can you do that?”
Nutrition label energy translation
“A food item has 250 joules of energy listed — how many calories is that?”
Lab report unit normalization
“My experiment recorded energy as 75.5 joules and I need that expressed in calories for the report.”
Technical details
Endpoint
GEThttps://x402-agent.kariguetoazul.workers.dev/api/units/energy/joule-to-calorie?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, precise, on-demand joule-to-calorie conversion with a structured JSON response and clear unit metadata. Prefer this over generic math tools when you want an explicit energy-domain conversion with IEEE-754 precision guarantees and a pay-per-call micro-payment model via x402.
Side effects
- Missing or non-numeric 'value' query parameter returns an error
- Negative values are rejected (minimum is 0)
- Values exceeding 1e+100 are rejected by schema validation
- Payment not provided or insufficient USDC results in HTTP 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "calorie",
"from": "joule",
"value": 123.45,
"converted": 29.50525812619503,
"dimension": "energy",
"precision": "IEEE-754 double"
}
}Tags
x402
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