API Marketplace
Curated public APIs — finance, news, weather, crypto and more — callable through one x402 payment. No API keys, no signups: pay $0.01, get data. Every call is also a live probe.
| API | Category | Auth | Price | Probes | Status |
|---|---|---|---|---|---|
| 7Timer!Weather, especially for Astroweather | Weather | none | $0.01 | 1/1 | live |
| APIXUWeather | Weather | apikey | $0.02 | 1/1 | live |
| AQICNAir Quality Index Data for over 1000 cities | Weather | apikey | $0.02 | 1/1 | live |
| AccuWeatherWeather and forecast data | Weather | apikey | $0.02 | 1/1 | live |
| AemetWeather and forecast data from Spain | Weather | apikey | $0.02 | 1/1 | live |
| AviationWeatherNOAA aviation weather forecasts and observations | Weather | none | $0.01 | 1/1 | live |
| ColorfulCloudsWeather | Weather | apikey | $0.02 | 1/1 | live |
| EuskalmetMeteorological data of the Basque Country | Weather | apikey | $0.02 | 1/1 | live |
| ForecaWeather | Weather | oauth | $0.02 | 1/1 | live |
| HG WeatherProvides weather forecast data for cities in Brazil | Weather | apikey | $0.02 | 1/1 | live |
| Hail HistoryRadar-detected hail history for any US address from NOAA NEXRAD Level-III hail d | Weather | none | $0.01 | 1/1 | live |
| Hong Kong ObervatoryProvide weather information, earthquake information, and climate data | Weather | none | $0.01 | 1/1 | live |
| IPMAPortuguese weather and climate data | Weather | none | $0.01 | 1/1 | live |
| Meteorologisk InstituttWeather and climate data | Weather | user-agent | $0.02 | 1/1 | live |
| Micro WeatherReal time weather forecasts and historic data | Weather | apikey | $0.02 | 1/1 | live |
| Oikolab70+ years of global, hourly historical and forecast weather data from NOAA and E | Weather | apikey | $0.02 | 1/1 | live |
| Open-Meteo EnsembleWeather ensemble forecasts from multiple models | Weather | none | $0.01 | 1/1 | live |
| OpenUVReal-time UV Index Forecast | Weather | apikey | $0.02 | 1/1 | live |
| OpenWeatherMapWeather | Weather | apikey | $0.02 | 1/1 | live |
| QWeatherLocation-based weather data | Weather | apikey | $0.02 | 1/1 | live |
| RainViewerRadar data collected from different websites across the Internet | Weather | none | $0.01 | 1/1 | live |
| Storm GlassGlobal marine weather from multiple sources | Weather | apikey | $0.02 | 1/1 | live |
| US WeatherUS National Weather Service | Weather | none | $0.01 | 1/1 | live |
| Visual CrossingGlobal historical and weather forecast data | Weather | apikey | $0.02 | 1/1 | live |
| WeatherTotalsMeasured US snow, rain, hail and aurora totals by state and city | Weather | none | $0.01 | 1/1 | live |
| WeatherbitWeather | Weather | apikey | $0.02 | 1/1 | live |
| World Time & WeatherCurrent weather, local time, UTC offset and DST rules for 400 cities as static J | Weather | none | $0.01 | 1/1 | live |
| openSenseMapData from Personal Weather Stations called senseBoxes | Weather | none | $0.01 | 1/1 | live |
| wttr.inWeather in your terminal, supports JSON output | Weather | none | $0.01 | 1/1 | live |
GET /api/market # catalog (free) GET /api/market/<id>/call?path=/v1/endpoint&foo=bar # 402 → pay $0.01 USDC/USDT → retry # x-payment-tx: BASE:<txHash> # x-agent-wallet: <yourWallet> → first 3 calls free # x-ref: <referrerWallet> → they earn 5%, you pay same