{"uid":"cap_OsCgy4TyGLo4xAiAZV9Ar","slug":"vextorium-weather-forecast-api-f3cdb72a","name":"Vextorium Weather Forecast API","description":"Weather forecast for any place on Earth from the Norwegian Meteorological Institute: current conditions and daily max/min temperature, precipitation, wind, cloud cover, humidity, pressure and sky state for up to 9 days.","url":"https://api.vextorium.com/v1/weather?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["lat","lon"],"properties":{"lat":{"type":"number"},"lon":{"type":"number"},"days":{"type":"integer","description":"1-9 (default 3)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"lat":{"type":["number","null"]},"lon":{"type":["number","null"]},"now":{"type":["object","null"],"properties":{"sky":{"type":["string","null"]},"wind_kmh":{"type":["number","null"]},"humidity_pct":{"type":["number","null"]},"pressure_hpa":{"type":["number","null"]},"temperature_c":{"type":["number","null"]},"wind_direction":{"type":["number","null"]},"cloud_cover_pct":{"type":["number","null"]}}},"days":{"type":["array","null"],"items":{"type":["null","object"],"properties":{"sky":{"type":["null","string"]},"date":{"type":["null","string"]},"max_c":{"type":["null","number"]},"min_c":{"type":["null","number"]},"rain_mm":{"type":["null","number"]},"max_wind_kmh":{"type":["null","number"]}}}},"source":{"type":["string","null"]},"updated":{"type":["string","null"]}}}}}}},"responseSchema":{"type":"json","example":{"lat":40.42,"lon":-3.7,"now":{"sky":"heavy rain","wind_kmh":17,"humidity_pct":96.2,"pressure_hpa":1024.5,"temperature_c":16.4,"wind_direction":30.9,"cloud_cover_pct":98.4},"days":[{"sky":"partly cloudy","date":"2026-10-02","max_c":16.7,"min_c":16.2,"rain_mm":1.4,"max_wind_kmh":17},{"sky":"overcast","date":"2026-10-03","max_c":20.9,"min_c":15.7,"rain_mm":8,"max_wind_kmh":11}],"source":"MET Norway (Norwegian Meteorological Institute), CC BY 4.0","updated":"2026-10-02T19:18:06Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_x0kAlhQBmsITFngy7L2er","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current weather conditions and up to 9-day daily forecasts (temperature, precipitation, wind, cloud cover, humidity, pressure, sky state) for any latitude/longitude on Earth, sourced from MET Norway.","exampleAgentPrompt":"What's the current weather and 5-day forecast for Madrid (latitude 40.42, longitude -3.7)? I need temperature highs and lows, rainfall, wind, and sky conditions each day.","exampleUseCases":[{"title":"Outdoor event planning weather check","prompt":"I'm planning an outdoor event in Rome next week — can you pull the 7-day forecast for latitude 41.9, longitude 12.5? I need daily highs and lows, chance of rain, and wind speed so I can decide on the venue setup."},{"title":"Real-time field conditions for logistics","prompt":"What are the current wind speed, temperature, and sky conditions right now at latitude 51.5, longitude -0.12? Our delivery team needs to know before heading out."},{"title":"Travel packing forecast lookup","prompt":"I'm flying to Tokyo in 3 days — give me the 3-day weather forecast for latitude 35.68, longitude 139.69, including daily rain totals, temperatures, and whether it'll be cloudy or clear."}],"resultDescription":"A JSON object with the coordinates queried, a 'now' block containing current temperature (°C), sky state, wind speed (km/h), wind direction, humidity (%), pressure (hPa), and cloud cover (%), plus a 'days' array with one entry per requested day containing date, max/min temperature, precipitation (mm), max wind speed, and sky state. Also includes the data source (MET Norway, CC BY 4.0) and last-updated timestamp.","failureModes":["Missing required lat or lon fields returns a validation error","Coordinates outside valid ranges (-90 to 90 lat, -180 to 180 lon) may return an error or empty data","Days value outside 1-9 range may be rejected or clamped to default (3)","Upstream MET Norway data unavailability may cause a 502 or empty response","Payment failure (insufficient USDC balance) returns a 402 Payment Required before the forecast is served"],"whenToPreferThis":"Choose this endpoint when you need reliable, globally-covering weather forecasts sourced from MET Norway's authoritative data, especially for agentic workflows that already use x402 micropayment infrastructure. It's ideal for precise lat/lon queries anywhere on Earth, not just major cities, and returns structured JSON well-suited for downstream automation. Prefer it over general-purpose weather APIs when you need consistent daily forecast granularity for up to 9 days with minimal per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:42:50.385Z","isFirstParty":false,"canonicalSlug":"vextorium-weather-forecast-api-f3cdb72a"}