{"service":"opendata402","about":"Open public data for agents, paid per call over x402 (USDC on Base, Arbitrum or Polygon). No account, no API key. Proof of concept; data comes straight from the official source and carries its attribution.","endpoints":[{"path":"/v1/fx/latest","method":"GET","price":"$0.001","description":"Official euro foreign exchange reference rates from the European Central Bank, published each working day around 16:00 CET for about 30 currencies. Use it to convert amounts between EUR and USD, GBP, JPY, CHF and others at the official daily rate. Optional base currency (cross rates are computed from the EUR rates) and a comma-separated list of symbols. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.","example":"https://opendata402.com/v1/fx/latest?base=EUR&symbols=USD%2CGBP%2CJPY","source":{"naam":"European Central Bank","url":"https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/","licentie":"ECB reference rates, reuse permitted with source attribution"},"notice":"This data is available free of charge from the European Central Bank (ecb.europa.eu). You pay for convenient agent access, not for the data itself."},{"path":"/v1/ecb/policy-rates","method":"GET","price":"$0.001","description":"Current ECB key interest rates: deposit facility rate, main refinancing operations rate and marginal lending facility rate, each with the date it took effect. Use it for euro interest rate context in finance, lending or treasury tasks. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.","example":"https://opendata402.com/v1/ecb/policy-rates?","source":{"naam":"European Central Bank — ECB Data Portal","url":"https://data.ecb.europa.eu/","licentie":"ESCB statistics reuse policy, source: ECB statistics"},"notice":"This data is available free of charge from the European Central Bank (ecb.europa.eu). You pay for convenient agent access, not for the data itself."},{"path":"/v1/earthquakes","method":"GET","price":"$0.001","description":"Recent earthquakes worldwide from the USGS real-time feeds: time, magnitude, place, depth, coordinates, tsunami flag and alert level. Filter by period (hour, day, week, month) and minimum magnitude class (significant, 4.5, 2.5, 1.0, all). Use it for hazard monitoring, travel or logistics checks and news context. Updated every few minutes.","example":"https://opendata402.com/v1/earthquakes?period=day&minmag=4.5","source":{"naam":"U.S. Geological Survey","url":"https://earthquake.usgs.gov/earthquakes/feed/v1.0/geojson.php","licentie":"U.S. public domain"}},{"path":"/v1/vehicles/nl","method":"GET","price":"$0.002","description":"Dutch vehicle registry lookup by licence plate (RDW open data): make, model, vehicle type, colour, first registration date, APK (MOT) expiry, fuel type, CO2 and power, insurance and open recall flags. Use it to verify a Dutch car, van or motorbike before a sale, rental, parking or logistics task. Plate without dashes, e.g. GT495X. No personal owner data.","example":"https://opendata402.com/v1/vehicles/nl?plate=GT495X","source":{"naam":"RDW Open Data","url":"https://opendata.rdw.nl/","licentie":"Public domain"}},{"path":"/v1/address/nl","method":"GET","price":"$0.001","description":"Dutch address search and geocoding from the official BAG register via PDOK: free-text query (street, number, postcode, town) returns up to 5 matching addresses with postcode, house number, municipality, province and WGS84 coordinates. Use it to validate or geocode a Dutch address for delivery, property or location tasks.","example":"https://opendata402.com/v1/address/nl?q=Damrak+1+Amsterdam","source":{"naam":"PDOK Locatieserver (BAG)","url":"https://www.pdok.nl/pdok-locatieserver","licentie":"Public Domain Mark 1.0 (BAG)"}},{"path":"/v1/school-holidays/nl","method":"GET","price":"$0.001","description":"Official Dutch school holiday dates per school year and region (north, middle, south) from the Dutch central government: autumn, Christmas, spring, May and summer holidays with start and end dates. Use it for travel, staffing, pricing or scheduling around Dutch school breaks.","example":"https://opendata402.com/v1/school-holidays/nl?schoolyear=2026-2027","source":{"naam":"Rijksoverheid open data","url":"https://opendata.rijksoverheid.nl/","licentie":"CC0 1.0"}},{"path":"/v1/inflation/eu","method":"GET","price":"$0.001","description":"Official monthly inflation (HICP, annual rate of change, all items) for EU countries, the euro area and the EU from Eurostat. Give a country code (NL, DE, FR, EA20, EU27_2020) and the number of recent months. Use it for price indexation, wage or rent adjustment and economic context. Eurostat data, CC BY 4.0; values unchanged.","example":"https://opendata402.com/v1/inflation/eu?geo=NL&months=12","source":{"naam":"Eurostat (prc_hicp_manr)","url":"https://ec.europa.eu/eurostat/databrowser/view/prc_hicp_manr/default/table","licentie":"CC BY 4.0"}},{"path":"/v1/worldbank/indicator","method":"GET","price":"$0.001","description":"World Bank development indicators for any country: GDP, population, inflation, unemployment, CO2 and 1,000+ more by indicator code (e.g. NY.GDP.MKTP.CD, SP.POP.TOTL, FP.CPI.TOTL.ZG). Returns the most recent yearly values. Use it for country comparisons, market sizing and economic background. World Bank data, CC BY 4.0.","example":"https://opendata402.com/v1/worldbank/indicator?country=NL&indicator=NY.GDP.MKTP.CD&years=5","source":{"naam":"World Bank Open Data","url":"https://data.worldbank.org/","licentie":"CC BY 4.0"}},{"path":"/v1/weather/us","method":"GET","price":"$0.002","description":"US weather forecast from the National Weather Service for a latitude/longitude inside the United States: the next 7 days in 12-hour periods with temperature, wind, precipitation chance and a short and detailed text forecast. Use it for travel, events, logistics or field work in the US. NOAA/NWS data, US public domain.","example":"https://opendata402.com/v1/weather/us?lat=38.8894&lon=-77.0352","source":{"naam":"NOAA National Weather Service","url":"https://www.weather.gov/documentation/services-web-api","licentie":"US public domain"}},{"path":"/v1/nl/statutory-interest","method":"GET","price":"$0.002","description":"Dutch statutory interest calculator (wettelijke rente, art. 6:119 BW consumer; art. 6:119a BW commercial) on an unpaid amount between two dates, with the legally required yearly compounding and every rate change, period by period. Use it for invoices, debt collection and claims under Dutch law. From 2015-01-01; rates from the Staatsblad and ECB.","example":"https://opendata402.com/v1/nl/statutory-interest?amount=1000&from=2024-03-01&to=2026-10-14&type=commercial","source":{"naam":"Staatsblad (Besluit vaststelling wettelijke rente) en ECB-herfinancieringsrente","url":"https://wetten.overheid.nl/BWBR0047640/","licentie":"Dutch law and official publications (no copyright); ECB rates with attribution"}},{"path":"/v1/nl/collection-costs","method":"GET","price":"$0.001","description":"Dutch statutory extrajudicial collection costs (buitengerechtelijke incassokosten, WIK scale, Besluit vergoeding voor buitengerechtelijke incassokosten art. 2): 15/10/5/1/0.5% over the principal in brackets, minimum EUR 40, maximum EUR 6,775, optional 21% VAT when the creditor cannot reclaim VAT. Use it to compute the legally allowed collection fee on a Dutch claim.","example":"https://opendata402.com/v1/nl/collection-costs?amount=3500&vat=false","source":{"naam":"Besluit vergoeding voor buitengerechtelijke incassokosten, art. 2 (geldend sinds 01-10-2024)","url":"https://wetten.overheid.nl/BWBR0031432/","licentie":"Dutch law (no copyright)"}},{"path":"/v1/nl/rent-increase-max","method":"GET","price":"$0.001","description":"Maximum legal annual rent increase in the Netherlands for a given increase date and rental sector: social (regulated, per 1 July), mid-rent (regulated middle segment, per calendar year) or free sector (per calendar year, lower of CPI/CAO + 1). With the current rent it also gives the maximum new rent. 2019-2026, each figure with its official source.","example":"https://opendata402.com/v1/nl/rent-increase-max?sector=free&date=2026-07-01&rent=1500","source":{"naam":"Uitvoeringswet huurprijzen woonruimte art. 10; Staatscourant, circulaires MG, rijksoverheid.nl, Huurcommissie","url":"https://wetten.overheid.nl/BWBR0014315/","licentie":"Dutch law and official publications (no copyright)"}},{"path":"/v1/holidays","method":"GET","price":"$0.001","description":"Public holidays for the Netherlands, Belgium and Germany (nationwide) for any year 1900-2200, computed from the statutory rules and the Easter date: date, English and local name, with notes where a day is commonly worked. Use it for scheduling, delivery dates, payment terms and staffing in the Benelux and Germany.","example":"https://opendata402.com/v1/holidays?country=NL&year=2027","source":{"naam":"Statutory holiday rules (NL, BE, DE), computed","url":"https://wetten.overheid.nl/BWBR0002448/","licentie":"Law (no copyright); computed by opendata402"}},{"path":"/v1/sun","method":"GET","price":"$0.001","description":"Sunrise, sunset, solar noon, day length and the sun's elevation at noon for any latitude, longitude and date, computed with the NOAA solar algorithm (accurate to about a minute; times in UTC; polar day and night handled). Use it for solar panel and lighting schedules, photography, outdoor work planning and daylight-dependent automations.","example":"https://opendata402.com/v1/sun?lat=52.3676&lon=4.9041&date=2026-12-21","source":{"naam":"NOAA solar calculation algorithm, computed","url":"https://gml.noaa.gov/grad/solcalc/calcdetails.html","licentie":"Algorithm (US public domain); computed by opendata402"}},{"path":"/v1/validate/iban","method":"GET","price":"$0.001","description":"Validate an IBAN: country, expected length, ISO 13616 mod-97 check digits, and the bank code part for common countries (NL, BE, DE, FR, GB, ES, IT, AT, CH, LU), plus the electronic and printed formats. Use it before sending a payment or storing bank details. Pure computation: the IBAN is not stored or forwarded, and no account existence check is made.","example":"https://opendata402.com/v1/validate/iban?iban=NL91ABNA0417164300","source":{"naam":"ISO 13616 IBAN rules, computed","url":"https://www.iso.org/standard/81090.html","licentie":"Standard rules; computed by opendata402"}},{"path":"/v1/weather/forecast","method":"GET","price":"$0.002","description":"Weather forecast for any point on Earth for the next 48 hours, hour by hour: temperature, wind speed and direction, precipitation, cloud cover, humidity, pressure and a weather symbol. Model run by the Norwegian Meteorological Institute (MET Norway), updated several times a day. Use it for travel, logistics, events and outdoor work anywhere.","example":"https://opendata402.com/v1/weather/forecast?lat=52.37&lon=4.90","source":{"naam":"Data from MET Norway (Locationforecast 2.0)","url":"https://api.met.no/doc/License","licentie":"NLOD 2.0 / CC BY 4.0"}},{"path":"/v1/space-weather","method":"GET","price":"$0.001","description":"Current space weather from NOAA's Space Weather Prediction Center: the R (radio blackout), S (solar radiation) and G (geomagnetic storm) scales now and forecast for the next days, the latest planetary Kp index and the most recent alerts and warnings. Use it for GPS/GNSS, HF radio, satellite, drone, aviation and power-grid risk checks, or aurora chances.","example":"https://opendata402.com/v1/space-weather?","source":{"naam":"NOAA Space Weather Prediction Center","url":"https://www.swpc.noaa.gov/","licentie":"US public domain"}},{"path":"/v1/tides/us","method":"GET","price":"$0.001","description":"US tides for a NOAA tide station: the latest observed water level (6-minute data) and today's and tomorrow's predicted high and low tides in metres relative to MLLW, times in UTC. Use it for boating, fishing, coastal work and shipping in US waters. Station id e.g. 9414290 (San Francisco).","example":"https://opendata402.com/v1/tides/us?station=9414290","source":{"naam":"NOAA Tides & Currents (CO-OPS)","url":"https://tidesandcurrents.noaa.gov/","licentie":"US public domain; attribution requested"}},{"path":"/v1/buoys","method":"GET","price":"$0.001","description":"Latest observation from a NOAA National Data Buoy Center station (US and international buoys and coastal stations): wind direction and speed, gusts, wave height and period, air and water temperature and pressure. Use it for sailing, surfing, offshore work and marine forecasts. Station id e.g. 46026 (San Francisco), 41001 (Cape Hatteras).","example":"https://opendata402.com/v1/buoys?station=46026","source":{"naam":"NOAA National Data Buoy Center","url":"https://www.ndbc.noaa.gov/","licentie":"US public domain"}},{"path":"/v1/rivers/us","method":"GET","price":"$0.001","description":"Latest US river and stream readings from the USGS water data API (15-minute data): discharge (cubic feet per second), gage height (feet) or water temperature for a USGS monitoring site. Use it for flood watching, paddling and fishing conditions, and water-dependent operations. Site number e.g. 01646500 (Potomac River near Washington DC). Data are provisional.","example":"https://opendata402.com/v1/rivers/us?site=01646500&parameter=discharge","source":{"naam":"Credit: U.S. Geological Survey (api.waterdata.usgs.gov)","url":"https://api.waterdata.usgs.gov/","licentie":"US public domain"}},{"path":"/v1/wikipedia/top","method":"GET","price":"$0.001","description":"The most-read Wikipedia articles of a given day for a language edition (e.g. en, de, nl, fr, es, ja): rank, article title and views, with technical pages filtered out. A daily signal of what people worldwide are paying attention to. Use it for trend detection, news context and content planning. Defaults to yesterday (UTC).","example":"https://opendata402.com/v1/wikipedia/top?lang=en&date=2026-10-13","source":{"naam":"Wikimedia pageview statistics","url":"https://wikimedia.org/api/rest_v1/","licentie":"CC0 1.0 (pageview data)"}},{"path":"/v1/eurostat","method":"GET","price":"$0.002","description":"Any Eurostat dataset (thousands: unemployment, GDP, population, house prices, energy, trade, tourism, transport...) by dataset code, with optional dimension filters as query parameters (e.g. geo=NL, unit=PC_ACT) and lastTimePeriod. Returns labelled observations (max 500). Use it for official European statistics. Eurostat data, CC BY 4.0; values unchanged.","example":"https://opendata402.com/v1/eurostat?dataset=une_rt_m&geo=NL&sex=T&age=TOTAL&unit=PC_ACT&s_adj=SA&lastTimePeriod=6","source":{"naam":"Eurostat","url":"https://ec.europa.eu/eurostat/","licentie":"CC BY 4.0"}},{"path":"/v1/ecb/series","method":"GET","price":"$0.001","description":"Any time series from the ECB Data Portal by flow and series key (e.g. EXR/D.USD.EUR.SP00.A for USD/EUR, FM/B.U2.EUR.4F.KR.DFR.LEV for the deposit rate, ICP/M.U2.N.000000.4.ANR for euro area inflation), last N observations. Use it for euro area rates, money, banking and prices. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.","example":"https://opendata402.com/v1/ecb/series?key=EXR%2FD.USD.EUR.SP00.A&last=10","source":{"naam":"European Central Bank — ECB Data Portal","url":"https://data.ecb.europa.eu/","licentie":"ESCB statistics reuse policy, source: ECB statistics"},"notice":"This data is available free of charge from the European Central Bank (ecb.europa.eu). You pay for convenient agent access, not for the data itself."},{"path":"/v1/wikidata","method":"GET","price":"$0.001","description":"Key facts about any thing, place, person or company from Wikidata, by name or Q-id: label, description, Wikidata id and the most useful properties (type, country, location, population, coordinates, inception, birth/death dates, occupation, website, headquarters, industry, revenue, employees, ticker). Use it for entity lookup, enrichment and disambiguation. CC0.","example":"https://opendata402.com/v1/wikidata?q=Rijksmuseum","source":{"naam":"Wikidata","url":"https://www.wikidata.org/","licentie":"CC0 1.0"}},{"path":"/v1/treasury/yields","method":"GET","price":"$0.001","description":"Daily US Treasury par yield curve rates from the US Department of the Treasury: 1-month to 30-year yields for the latest business days of the current month. Use it for interest rate context, discounting, bond and macro analysis. US public domain.","example":"https://opendata402.com/v1/treasury/yields?days=5","source":{"naam":"U.S. Department of the Treasury","url":"https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics","licentie":"US public domain"}},{"path":"/v1/time","method":"GET","price":"$0.001","description":"Current local time, UTC offset and daylight-saving status for any IANA time zone (e.g. Europe/Amsterdam, America/New_York, Asia/Tokyo), plus the next DST transition within a year. Computed from the IANA time zone database. Use it for scheduling across time zones and for agents that need a trustworthy clock.","example":"https://opendata402.com/v1/time?tz=Europe%2FAmsterdam","source":{"naam":"IANA time zone database, computed","url":"https://www.iana.org/time-zones","licentie":"Public domain (tz database); computed by opendata402"}},{"path":"/v1/cbs","method":"GET","price":"$0.002","description":"Any Statistics Netherlands (CBS StatLine) table by table id, e.g. 83625NED (house prices), 85773NED (population), 70072NED (regional key figures): rows with all dimensions and measures, optional OData $filter and $select, up to 500 rows, plus the table title and last update. Use it for official Dutch statistics. CBS open data, CC BY 4.0.","example":"https://opendata402.com/v1/cbs?table=83625NED&filter=startswith%28RegioS%2C%27NL01%27%29&top=5","source":{"naam":"CBS StatLine (Statistics Netherlands)","url":"https://opendata.cbs.nl/","licentie":"CC BY 4.0"}},{"path":"/v1/oecd","method":"GET","price":"$0.002","description":"Any OECD dataset via the OECD SDMX API: give the dataflow (e.g. OECD.SDD.STES,DSD_STES@DF_CLI for leading indicators) and a series key with country codes (e.g. NLD........), and get the latest observations with dimension labels (max 500). Use it for international macro and social indicators across OECD countries. OECD data, CC BY 4.0 (third-party data excluded).","example":"https://opendata402.com/v1/oecd?flow=OECD.SDD.STES%2CDSD_STES%40DF_CLI&key=NLD........&last=6","source":{"naam":"OECD Data Explorer (SDMX)","url":"https://data-explorer.oecd.org/","licentie":"CC BY 4.0 (OECD default since 1 July 2024)"}},{"path":"/v1/news/events","method":"GET","price":"$0.002","description":"World news events from the last 15 minutes, from the GDELT Project's global monitoring of news media: who did what to whom, where, with event type (CAMEO), tone, Goldstein impact score, number of mentions and a source article URL. Filter by country (FIPS code, e.g. NL, US, UK) or keyword in the actors. Use it for real-time situational awareness and risk monitoring.","example":"https://opendata402.com/v1/news/events?country=US&limit=10","source":{"naam":"The GDELT Project (gdeltproject.org)","url":"https://www.gdeltproject.org/","licentie":"Unlimited and unrestricted use, citation and link required"}}]}