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 |
|---|---|---|---|---|---|
| 49 Gallery Historical DataNormalized historical records and 25 daily-updated reference series | Open Data | none | $0.01 | 1/1 | live |
| API SetuAn Indian Government platform that provides a lot of APIS for KYC, business, edu | Open Data | none | $0.01 | 1/1 | live |
| Archive.orgThe Internet Archive | Open Data | none | $0.01 | 1/1 | live |
| BTU GraphSource-reviewed energy company knowledge graph and directory exports | Open Data | none | $0.01 | 1/1 | live |
| Black History FactsContribute or search one of the largest black history fact databases on the web | Open Data | apikey | $0.02 | 1/1 | live |
| BotsArchiveJSON formatted details about Telegram Bots available in database | Open Data | none | $0.01 | 1/1 | live |
| CARTOLocation Information Prediction | Open Data | apikey | $0.02 | 1/1 | live |
| Callook.infoUnited States ham radio callsigns | Open Data | none | $0.01 | 1/1 | live |
| CollegeScoreCard.ed.govData on higher education institutions in the United States | Open Data | none | $0.01 | 1/1 | live |
| CuttingToolsAICross-brand carbide insert grade equivalents by ISO application class | Open Data | none | $0.01 | 1/1 | live |
| EOSLHardware end-of-sale and end-of-service-life dates by part number, source-linked | Open Data | none | $0.01 | 1/1 | live |
| Enigma PublicBroadest collection of public data | Open Data | apikey | $0.02 | 1/1 | live |
| French Address SearchAddress search via the French Government | Open Data | none | $0.01 | 1/1 | live |
| GENESISFederal Statistical Office Germany | Open Data | oauth | $0.02 | 1/1 | live |
| InfraNodeUnified German city open data: weather, air quality, EV chargers, transit, demog | Open Data | apikey | $0.02 | 1/1 | live |
| Joshua ProjectPeople groups of the world with the fewest followers of Christ | Open Data | apikey | $0.02 | 1/1 | live |
| K-Data GateKorean market data: K-beauty/K-food products, Naver trends, stocks, real estate, | Open Data | apikey | $0.02 | 1/1 | live |
| KaggleCreate and interact with Datasets, Notebooks, and connect with Kaggle | Open Data | apikey | $0.02 | 1/1 | live |
| LinkPreviewGet JSON formatted summary with title, description and preview image for any req | Open Data | apikey | $0.02 | 1/1 | live |
| LottoLens PHFixed Philippine PCSO historical results and normal draw schedules | Open Data | none | $0.01 | 1/1 | live |
| Microlink.ioExtract structured data from any website | Open Data | none | $0.01 | 1/1 | live |
| ModelPartFinder Error CodesLookup appliance and equipment error codes by brand and code, with recommended r | Open Data | none | $0.01 | 1/1 | live |
| MostExpensiveWatchesDocumented luxury watch auction records, live listings, valuations and price ind | Open Data | none | $0.01 | 1/1 | live |
| Nasdaq Data LinkStock market data | Open Data | apikey | $0.02 | 1/1 | live |
| Nobel PrizeOpen data about nobel prizes and events | Open Data | none | $0.01 | 1/1 | live |
| Open Data MinneapolisSpatial (GIS) and non-spatial city data for Minneapolis | Open Data | none | $0.01 | 1/1 | live |
| Open ScholarshipsFree, openly-licensed directory of US scholarships and student aid from official | Open Data | none | $0.01 | 1/1 | live |
| OpenCorporatesData on corporate entities and directors in many countries | Open Data | apikey | $0.02 | 1/1 | live |
| OpenSanctionsData on international sanctions, crime and politically exposed persons | Open Data | none | $0.01 | 1/1 | live |
| Pan Africa DataMacroeconomic and subnational income distribution data for all 54 African countr | Open Data | apikey | $0.02 | 1/1 | live |
| PayCrunchUS wages for 1,008 occupations and by state, from BLS OEWS May 2025, static JSON | Open Data | none | $0.01 | 1/1 | live |
| PublicDataHubUS public schools, hospitals and federal agency budgets as JSON/CSV, with proven | Open Data | none | $0.01 | 1/1 | live |
| Recreation Information DatabaseRecreational areas, federal lands, historic sites, museums, and other attraction | Open Data | apikey | $0.02 | 1/1 | live |
| RegistrumUK company data: profiles, directors, PSC, iXBRL-parsed financials, ECCTA status | Open Data | apikey | $0.02 | 1/1 | live |
| Scoop.itContent Curation Service | Open Data | apikey | $0.02 | 1/1 | live |
| SocrataAccess to Open Data from Governments, Non-profits and NGOs around the world | Open Data | oauth | $0.02 | 1/1 | live |
| Statistics of the WorldEconomic data for 218 countries — GDP, population, inflation, and 440+ indicator | Open Data | none | $0.01 | 1/1 | live |
| TilthFree daily UK fertiliser price index across nine grades, CC BY 4.0 licensed | Open Data | none | $0.01 | 1/1 | live |
| UPC databaseMore than 1.5 million barcode numbers from all around the world | Open Data | apikey | $0.02 | 1/1 | live |
| Umeå Open DataOpen data of the city Umeå in northen Sweden | Open Data | none | $0.01 | 1/1 | live |
| University of OsloCourses, lecture videos, detailed information for courses etc. for the Universit | Open Data | none | $0.01 | 1/1 | live |
| Urban ObservatoryThe largest set of publicly available real time urban data in the UK | Open Data | none | $0.01 | 1/1 | live |
| VoidlyInternet censorship measurements, incidents, and ISP-level blocking data across | Open Data | none | $0.01 | 1/1 | live |
| WarnelyComposite travel-safety scores for 180 countries (FCDO + US State + GPI + WGI + | Open Data | none | $0.01 | 1/1 | live |
| WikidataCollaboratively edited knowledge base operated by the Wikimedia Foundation | Open Data | oauth | $0.02 | 1/1 | live |
| WikipediaMediawiki Encyclopedia | Open Data | none | $0.01 | 1/1 | live |
| YelpFind Local Business | Open Data | oauth | $0.02 | 1/1 | live |
| i6eal Open AI DataOpen datasets on AI policy, regulation and public-sector adoption in Germany and | Open Data | none | $0.01 | 1/1 | live |
| openAFRICALarge datasets repository of African open data | Open Data | 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