{"uid":"cap_POA_7kPS2agkJ_onX1ncA","slug":"vibesprings-net-93f35d25","name":"Vibesprings Solar Calculator & Radiation Forecast","description":"Astronomical solar calculator and solar radiation forecast database. Returns highly accurate daily solar cycles: sunrise/sunset times, astronomical/civil/nautical twilights, precise solar noon, day length, maximum UV index, and shortwave solar radiation levels (MJ/m²) for any location globally. Crucial for solar panel yield forecasting, photography timing, agriculture, and outdoor wellness tracking.","url":"https://vibesprings.net/api/solar","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":["location"],"properties":{"date":{"type":"string","description":"Start date in YYYY-MM-DD format (defaults to current date)"},"days":{"type":"number","description":"Number of daily projections to return, from 1 to 7 days (default is 1)"},"location":{"type":"string","description":"City name, region, or coordinate pairs (e.g. 'Reykjavik', 'Honolulu', '64.1466,-21.9426')"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":[{"date":"2024-06-21","sunset_utc":"2024-06-22T00:03:00Z","sunrise_utc":"2024-06-21T02:54:00Z","uv_index_max":4.5,"solar_noon_utc":"2024-06-21T13:28:00Z","day_length_seconds":76140,"shortwave_radiation_sum_mj_m2":24.5}],"latitude":64.1,"location":"Reykjavik, Iceland","timezone":"Atlantic/Reykjavik","longitude":-21.9}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"date":"2024-01-15","days":3,"location":"London"}}},"response":{"data":[{"date":"2024-01-15","sunset_utc":"2024-01-15T16:21:50+00:00","sunrise_utc":"2024-01-15T07:57:37+00:00","solar_noon_utc":"2024-01-15T12:09:44+00:00","civil_twilight_end":"2024-01-15T16:58:17+00:00","day_length_seconds":30253,"civil_twilight_begin":"2024-01-15T07:21:10+00:00","day_length_formatted":"8h 24m","nautical_twilight_end":"2024-01-15T17:40:11+00:00","nautical_twilight_begin":"2024-01-15T06:39:16+00:00","astronomical_twilight_end":"2024-01-15T18:20:11+00:00","astronomical_twilight_begin":"2024-01-15T05:59:16+00:00"},{"date":"2024-01-16","sunset_utc":"2024-01-16T16:23:23+00:00","sunrise_utc":"2024-01-16T07:56:46+00:00","solar_noon_utc":"2024-01-16T12:10:05+00:00","civil_twilight_end":"2024-01-16T16:59:43+00:00","day_length_seconds":30397,"civil_twilight_begin":"2024-01-16T07:20:26+00:00","day_length_formatted":"8h 26m","nautical_twilight_end":"2024-01-16T17:41:30+00:00","nautical_twilight_begin":"2024-01-16T06:38:39+00:00","astronomical_twilight_end":"2024-01-16T18:21:27+00:00","astronomical_twilight_begin":"2024-01-16T05:58:42+00:00"},{"date":"2024-01-17","sunset_utc":"2024-01-17T16:24:57+00:00","sunrise_utc":"2024-01-17T07:55:53+00:00","solar_noon_utc":"2024-01-17T12:10:25+00:00","civil_twilight_end":"2024-01-17T17:01:09+00:00","day_length_seconds":30544,"civil_twilight_begin":"2024-01-17T07:19:40+00:00","day_length_formatted":"8h 29m","nautical_twilight_end":"2024-01-17T17:42:51+00:00","nautical_twilight_begin":"2024-01-17T06:37:58+00:00","astronomical_twilight_end":"2024-01-17T18:22:45+00:00","astronomical_twilight_begin":"2024-01-17T05:58:05+00:00"}],"latitude":51.50853,"location":"London, England, United Kingdom","timezone":"Europe/London","longitude":-0.12574,"processingTime":"882ms"}},"exampleRequest":{"date":"2024-01-15","days":3,"location":"London"},"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9H_8BFOk3FFS6e_obZF2A","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns daily solar cycle data (sunrise/sunset, twilights, solar noon, day length, UV index, shortwave radiation) for any global location, optionally up to 7 days ahead.","exampleAgentPrompt":"Can you pull the solar cycle data for Denver, Colorado starting July 15 for the next 5 days — I need sunrise, sunset, solar noon, UV index, and shortwave radiation levels for each day?","exampleUseCases":[{"title":"Solar panel efficiency forecasting","prompt":"I need you to fetch the shortwave radiation data for our rooftop installation in Sacramento for the next week — that'll help us predict daily power output and schedule maintenance windows during low-radiation days."},{"title":"Outdoor event photography scheduling","prompt":"Can you grab the golden hour and twilight windows for Barcelona on August 12th? I want to know exactly when we have the best natural light for our shoot and when we need to wrap up."},{"title":"Agricultural crop light planning","prompt":"Pull the sunrise, sunset, and total day length for our fields in Iowa for the next 10 days — we're optimizing grow light schedules and need to know the exact natural light windows for each date."}],"resultDescription":"Returns a structured daily breakdown per requested day including: sunrise and sunset times, solar noon, astronomical/civil/nautical twilight windows, total day length, maximum UV index, and shortwave solar radiation in MJ/m² — all calculated for the specified location and date range.","failureModes":["Invalid or unrecognized location string — returns error or empty result","Date out of supported range — may return error","days parameter outside 1-7 range — validation error","Missing required location parameter — 400 bad request","Network or payment authorization failure — 402 or 5xx response"],"whenToPreferThis":"Use this endpoint when you need precise astronomical solar timing data combined with radiation/UV forecasting for a specific location. Ideal for solar panel yield prediction, agriculture light planning, photography golden-hour scheduling, or outdoor activity UV tracking. Prefer over general weather endpoints when solar radiation (MJ/m²) and exact twilight phases are required rather than just basic cloud/temperature forecasts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:52:21.093Z","isFirstParty":false}