{"uid":"cap_68Ti42jc6Ea8U7fsdQU7B","slug":"synthora-historical-weather-5ba33a4d","name":"SYNTHORA Historical Weather","description":"SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wind. For climate-market backtesting and claim verification. Source: open-meteo archive, free, no key. $0.005 USDC x402 Base.","url":"https://api.hergertsynthora.com/v1/historical-weather","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wind. For climate-market backtesting and c"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3dAlBZ5gKvvzmABjAuZN2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns verified historical weather data (tmax, tmin, precipitation, max wind) for any location and date from 1940 to ~5 days ago using ERA5 reanalysis data.","exampleAgentPrompt":"What were the daily high and low temperatures, precipitation, and max wind speed in New Orleans on August 29, 2005? I need verified ERA5 historical weather data for that specific date and location.","exampleUseCases":[{"title":"Insurance claim weather verification","prompt":"I need to verify the weather conditions in Houston, Texas on February 15, 2021 — specifically the minimum temperature, precipitation, and max wind speed — for an insurance claim review."},{"title":"Climate-linked derivatives backtesting","prompt":"Pull me the daily tmax, tmin, and precipitation for Paris from June 1 to August 31, 2003 so I can backtest a heat-degree-day financial contract against that summer's historic heatwave."},{"title":"Agricultural yield historical analysis","prompt":"What was the rainfall and temperature range in Córdoba, Argentina during January 2018? I need ERA5 reanalysis data to cross-check crop yield records from that growing season."}],"resultDescription":"Returns ERA5-sourced historical weather metrics for the specified location and date, including daily maximum temperature, minimum temperature, total precipitation, and maximum wind speed, sourced from the Open-Meteo archive.","failureModes":["Date out of supported range (pre-1940 or within last ~5 days) returns an error","Ambiguous or unresolvable location string may return an error or incorrect geocoding","Malformed input string causes a parse failure","Network timeout or upstream Open-Meteo archive unavailability","Payment failure via x402 protocol blocks the request"],"whenToPreferThis":"Use this endpoint when you need verified, ERA5-quality historical weather data for any global location going back to 1940, especially for climate-market backtesting, insurance claim verification, or any application requiring authoritative reanalysis data rather than station-based or modeled forecasts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:43:30.449Z","isFirstParty":false}