{"uid":"cap_8K89HQoXY89rl6KghLzT_","slug":"kelvin-converter-scientific-temperature-conversion-api-9cf5f693","name":"Kelvin Converter — Scientific Temperature Conversion API","description":"Converts absolute Kelvin temperatures to and from Celsius, Fahrenheit, and Rankine with exact scientific precision. For physics and chemistry calculations, materials-science thresholds, and any agent working with thermodynamic data where an approximate conversion isn't good enough.","url":"https://x402.forgemesh.io/kelvin-converter","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"from":{"type":"string","description":"C | F | K | R"},"value":{"type":"string"}}},"responseSchema":{"type":"json","example":{"kelvin":373.15,"celsius":100,"rankine":671.67,"fahrenheit":212}},"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_mkJ0c_c67X2Cx7scqjmSn","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 temperature value from Kelvin, Celsius, Fahrenheit, or Rankine to all other scales with exact scientific precision, returning results in all four units.","exampleAgentPrompt":"Convert 373.15 Kelvin to Celsius, Fahrenheit, and Rankine — I need scientifically exact values for a thermodynamics calculation.","exampleUseCases":[{"title":"Cryogenics threshold check","prompt":"What is 4.2 Kelvin — the boiling point of liquid helium — in Celsius and Fahrenheit? I need the exact values for a materials science report."},{"title":"Chemistry reaction temperature","prompt":"Convert 1273.15 Kelvin to Celsius and Fahrenheit for me — that's the target reaction temperature in our furnace and I need to log it in all three scales."},{"title":"Absolute zero reference","prompt":"What is absolute zero (0 Kelvin) expressed exactly in Celsius, Fahrenheit, and Rankine? I'm writing up a physics reference sheet."}],"resultDescription":"Returns the input temperature converted to all four scales (Kelvin, Celsius, Fahrenheit, Rankine) with exact scientific precision, suitable for use in thermodynamic, chemistry, or materials-science calculations.","failureModes":["Invalid 'from' scale value (not one of C, F, K, R) — likely returns a 400 error or validation failure","Non-numeric 'value' string — parsing error returned","Physically impossible value (e.g. temperature below absolute zero) — may return an error or unexpected result","Missing required fields — API returns an error indicating required parameters","Payment failure (insufficient USDC balance for x402 micropayment) — 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need scientifically exact temperature conversions involving Kelvin or Rankine, particularly for thermodynamics, physics, chemistry, or materials-science contexts where approximate conversion formulas are insufficient. Prefer it over general unit-conversion APIs when absolute temperature scales (Kelvin, Rankine) are involved and precision is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:01:40.102Z","isFirstParty":false}