{"uid":"cap_qOGYJc26BwGx44JCUuHty","slug":"apparent-temperature-calculator-heat-index-wind-chill-e9daef1a","name":"Apparent Temperature Calculator (Heat Index & Wind Chill)","description":"Apparent temperature: heat index from temperature and humidity, wind chill from temperature and wind, with a danger category.","url":"https://units-convert.x402tookit.com/feels-like?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"],"type":"string"},"queryParams":{"type":"object","required":["temp_f"],"properties":{"temp_f":{"type":"number","description":"Air temperature in Fahrenheit"},"wind_mph":{"type":"number","description":"Wind speed in mph (for wind chill)"},"humidity_pct":{"type":"number","description":"Relative humidity percent (for heat index)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"tempF":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"feelsLikeF":{"type":["null","number"]},"heatIndexF":{"type":["null","number"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"heatCategory":{"type":["null","string"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rM5y5XrJY1gTqvWORIcij","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates apparent (feels-like) temperature using heat index from temperature and humidity, or wind chill from temperature and wind speed, with a danger category.","exampleAgentPrompt":"It's 98°F outside with 85% humidity — what does it actually feel like and is it dangerous to be out there?","exampleUseCases":[{"title":"Summer heat safety check","prompt":"It's 102°F today with 75% humidity — what's the heat index and what danger category does that put us in?"},{"title":"Winter wind chill warning","prompt":"Temperature is 10°F and winds are blowing at 35 mph — how cold does that actually feel outside?"},{"title":"Outdoor event planning alert","prompt":"We're planning an outdoor event where it's forecast to be 95°F with 90% humidity — what's the apparent temperature and should we be worried about heat danger?"}],"resultDescription":"Returns the feels-like temperature in Fahrenheit (feelsLikeF), the computed heat index (heatIndexF), a heat danger category (heatCategory), a human-readable summary, list of reasons, a verdict on safety, disclaimer, and metadata like source and timestamp. Also indicates if any metric was not checked or if the result is degraded.","failureModes":["Missing required temp_f parameter returns an error","Humidity or wind speed out of physical range may return degraded or null results","Wind chill not calculated if wind_mph is not provided; heat index not calculated if humidity_pct is not provided","Extreme edge-case values (e.g. negative humidity) may produce null outputs with degraded flag set to true"],"whenToPreferThis":"Use this endpoint when you need to compute apparent (feels-like) temperature from raw weather readings — especially when you need a danger category or human-readable safety verdict alongside the numeric result. Prefer this over general unit converters when the user's question involves comfort, safety, or physiological impact of weather conditions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:33.456Z","isFirstParty":false,"canonicalSlug":"apparent-temperature-calculator-heat-index-wind-chill-e9daef1a"}