{"uid":"cap_maWW3wDNIX7kGYTFH7hWm","slug":"signaldesk-ai-megajoule-to-calorie-converter-e578d1c7","name":"SignalDesk AI – Megajoule to Calorie 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/megajoule-to-calorie?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 megajoules."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"calorie","from":"megajoule","value":123.45,"converted":29505258.12619503,"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_-Q6Nvv-G9X0AgWdtBcVa5","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 energy value from megajoules (MJ) to calories (cal) using IEEE-754 double precision arithmetic.","exampleAgentPrompt":"How many calories are in 123.45 megajoules? I need a precise numeric conversion.","exampleUseCases":[{"title":"Physics homework energy conversion","prompt":"I have an energy value of 50 megajoules from my physics problem — can you convert that to calories for me?"},{"title":"Food science caloric content check","prompt":"We measured 0.005 megajoules of energy released in our food combustion test — what is that in calories?"},{"title":"Engineering energy budget calculation","prompt":"Our system dissipates 1000 megajoules per cycle — convert that to calories so I can cross-reference it with our thermal tables."}],"resultDescription":"A JSON object containing: the source unit ('megajoule'), the target unit ('calorie'), the original input value, the converted value in calories (IEEE-754 double precision float), the dimension label ('energy'), and a precision descriptor string.","failureModes":["Missing required 'value' query parameter returns an error or malformed response","Negative input values are rejected (minimum: 0 per schema)","Extremely large values (above 1e+100) are rejected by schema validation","Non-numeric input causes a validation error","Payment failure via x402 protocol blocks the request before execution"],"whenToPreferThis":"Choose this endpoint when you need a fast, programmatic, pay-per-call megajoule-to-calorie conversion with IEEE-754 double precision and a structured JSON response — especially in automated pipelines or agent workflows where exact numeric fidelity matters and no local conversion library is available. Avoid if you need calorie-to-megajoule (reverse), kilocalorie output, or batch conversions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:11.239Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-megajoule-to-calorie-converter-e578d1c7"}