{"uid":"cap_V7H2PYnmV4UbGoSNM68Jf","slug":"signaldesk-ai-calorie-to-kilojoule-converter-5768bcfb","name":"SignalDesk AI – Calorie to Kilojoule 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-kilojoule?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":"kilojoule","from":"calorie","value":123.45,"converted":0.5165148,"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_hU8CePurgEIw42a8qixii","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 thermochemical calorie value to kilojoules using IEEE-754 double precision arithmetic.","exampleAgentPrompt":"Convert 250 thermochemical calories to kilojoules for me.","exampleUseCases":[{"title":"Nutrition label energy conversion","prompt":"I need to convert 350 calories to kilojoules for a nutrition label I'm putting together — can you get the exact kJ value?"},{"title":"Physics homework energy calculation","prompt":"My homework problem uses 1200 thermochemical calories — can you tell me what that is in kilojoules?"},{"title":"Fitness app metric localization","prompt":"A user's workout burned 480 calories — convert that to kilojoules so I can display the right unit for European users."}],"resultDescription":"Returns a JSON object containing the original calorie value, the converted kilojoule amount (IEEE-754 double precision), the source and target unit labels ('calorie' and 'kilojoule'), and the physical dimension ('energy').","failureModes":["Missing or non-numeric 'value' query parameter returns a validation error","Negative calorie input may be rejected (minimum is 0 per schema)","Values exceeding 1e+100 are rejected by schema validation","Payment not provided or invalid x402 payment header returns 402 Payment Required","Cloudflare Worker cold-start or quota exhaustion may return 503 or timeout"],"whenToPreferThis":"Choose this endpoint when you need a precise, programmatic calorie-to-kilojoule conversion with structured JSON output and clear unit metadata, especially in automated agent workflows where IEEE-754 double precision is required. Prefer it over manual formula application or general-purpose calculators when you need consistent, machine-readable energy conversion results at low cost ($0.001 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:54.408Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-calorie-to-kilojoule-converter-5768bcfb"}