{"uid":"cap_aCjV7V7nAoFg__8L0Udoh","slug":"maxwell-international-weather-observation-api-f8ebce61","name":"Maxwell International Weather Observation API","description":"Most recent NWS station observation (by stationId, or the station nearest a lat/lon): temperature, dewpoint, wind, humidity, pressure, conditions, with observedAt showing when it was measured. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.","url":"https://api.maxwellinternational.ai/v1/weather/observation?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"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"sku":"weather.observation","state":null,"tempC":14,"tempF":57.2,"country":"United States","dewpointC":11,"stationId":"KDEN","observedAt":"2026-09-26T03:40:00+00:00","stationName":"Denver, Denver International Airport","windSpeedKmh":11.124,"windDirection":190,"barometricPressurePa":null}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4oMtymfmzqyzw4R_WRgft","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current weather observation data for a given weather station, including temperature, dew point, wind speed, wind direction, and barometric pressure.","exampleAgentPrompt":"What are the current weather conditions at Denver International Airport — give me the temperature in both Celsius and Fahrenheit, wind speed, and dew point right now.","exampleUseCases":[{"title":"Real-time airport weather briefing","prompt":"Pull the latest weather observation for KDEN — I need the current temperature, wind speed, wind direction, and dew point before this flight departs."},{"title":"Remote site environmental monitoring","prompt":"Check the current barometric pressure and temperature at the Denver International Airport weather station and log the observation timestamp for me."},{"title":"Travel packing decision","prompt":"What's the temperature and wind speed right now at Denver International Airport? I want to know if I need a heavy jacket when I land."}],"resultDescription":"Returns a JSON object with the observation SKU, station ID, station name, country, observed-at timestamp, temperature in Celsius and Fahrenheit, dew point in Celsius, wind speed in km/h, wind direction in degrees, and barometric pressure in Pascals. Some fields (state, barometricPressurePa) may be null.","failureModes":["Invalid or unknown station ID returns an error or empty observation","Station data unavailable returns null fields for pressure or state","Malformed query parameters may result in a 400 bad request","Payment not included or insufficient triggers a 402 Payment Required response","Network or upstream data source outage may return stale or missing data"],"whenToPreferThis":"Choose this endpoint when you need real-time point-in-time weather observations from a specific named weather station (e.g. ICAO airport codes like KDEN), and you want structured numeric data including temperature, dew point, wind, and pressure rather than a forecast. Prefer this over forecast APIs when you need current actual conditions rather than predictions, and over general weather services when you want raw station-level observational data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:40:37.077Z","isFirstParty":false,"canonicalSlug":"maxwell-international-weather-observation-api-f8ebce61"}