{"uid":"cap_4SakmGPXhY5SsifN741W7","slug":"signaldesk-ai-calorie-to-joule-converter-96667edc","name":"SignalDesk AI – Calorie to Joule Converter","description":"Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.","url":"https://x402-agent.kariguetoazul.workers.dev/api/units/energy/calorie-to-joule?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["value"],"properties":{"value":{"type":"number","maximum":1e+100,"minimum":0,"description":"Amount in thermochemical calories."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"joule","from":"calorie","value":123.45,"converted":516.5148,"dimension":"energy","precision":"IEEE-754 double"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-mZ5sdH_Z7_R3OOijfhVJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a numeric value in thermochemical calories to joules with IEEE-754 double precision","exampleAgentPrompt":"Convert 250 thermochemical calories to joules for me.","exampleUseCases":[{"title":"Nutrition label energy conversion","prompt":"I have a food item listed as 320 calories — can you convert that to joules so I can use it in my physics homework?"},{"title":"Scientific experiment data normalization","prompt":"I need to convert 4500 thermochemical calories to joules for my lab report — what's the exact joule equivalent?"},{"title":"Fitness app metric translation","prompt":"My workout tracker shows I burned 750 calories — convert that to joules so I can compare it against other energy measurements in SI units."}],"resultDescription":"Returns a JSON object containing the original value in calories, the converted value in joules (IEEE-754 double precision), the source and target unit labels ('calorie' and 'joule'), and a dimension field confirming the measurement is 'energy'.","failureModes":["Missing required 'value' query parameter returns an error response","Negative calorie values are rejected (minimum is 0)","Values exceeding 1e+100 are rejected by schema validation","Non-numeric input for value field causes a 400-type error","Payment not included or invalid triggers x402 payment-required response"],"whenToPreferThis":"Use this endpoint when you need a precise, programmatic calorie-to-joule conversion with a well-defined IEEE-754 double precision result, especially in scientific, nutrition, or engineering contexts. It is purpose-built for this single unit conversion (cal→J) and is faster and more reliable than a general-purpose computation engine for this narrow task.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:45.491Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-calorie-to-joule-converter-96667edc"}