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 |
|---|---|---|---|---|---|
| AletheiaInsider trading data, earnings call analysis, financial statements, and more | Finance | apikey | $0.02 | 1/1 | live |
| AlpacaRealtime and historical market data on all US equities and ETFs | Finance | apikey | $0.02 | 1/1 | live |
| Alpha VantageRealtime and historical stock data | Finance | apikey | $0.02 | 1/1 | live |
| Bank DataInstant IBAN and SWIFT number validation across the globe | Finance | apikey | $0.02 | 1/1 | live |
| BillplzPayment platform | Finance | apikey | $0.02 | 1/1 | live |
| BinlistPublic access to a database of IIN/BIN information | Finance | none | $0.01 | 1/1 | live |
| Boleto.CloudA api to generate boletos in Brazil | Finance | apikey | $0.02 | 1/1 | live |
| BriefTapeReal-time AI-summarized SEC filings, Fed, FDA and BLS data, ticker-tagged | Finance | apikey | $0.02 | 1/1 | live |
| CitiAll Citigroup account and statement data APIs | Finance | apikey | $0.02 | 1/1 | live |
| CongressInvestsReal-time U.S. congressional stock trade disclosures from Senate EFD and House C | Finance | apikey | $0.02 | 1/1 | live |
| Dino.marketsMatched Kalshi and Polymarket prediction-market data, cross-venue spreads | Finance | apikey | $0.02 | 1/1 | live |
| EOD Historical DataReal-time and historical stock market data with 150+ exchanges | Finance | apikey | $0.02 | 1/1 | live |
| EconPulseLive economic data — CPI, PPI, energy, treasury rates, BTC premium | Finance | apikey | $0.02 | 1/1 | live |
| EcondbGlobal macroeconomic data | Finance | none | $0.01 | 1/1 | live |
| EdgrapiClean SEC EDGAR company financials, ratios, filings and 10-K/10-Q sections as no | Finance | apikey | $0.02 | 1/1 | live |
| FREDEconomic data from the Federal Reserve Bank of St. Louis | Finance | apikey | $0.02 | 1/1 | live |
| FXNewsBiasAI-scored news sentiment for the 8 major forex currencies, refreshed every 3 hou | Finance | apikey | $0.02 | 1/1 | live |
| FarmDashDeFi intelligence, protocol risk, yield simulation plus 84 MCP agent tools, free | Finance | apikey | $0.02 | 1/1 | live |
| Fed TreasuryU.S. Department of the Treasury Data | Finance | none | $0.01 | 1/1 | live |
| FinageFinage is a stock, currency, cryptocurrency, indices, and ETFs real-time & histo | Finance | apikey | $0.02 | 1/1 | live |
| Financial Modeling PrepRealtime and historical stock data | Finance | apikey | $0.02 | 1/1 | live |
| FinnhubReal-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto | Finance | apikey | $0.02 | 1/1 | live |
| Front Accounting APIsFront accounting is multilingual and multicurrency software for small businesses | Finance | oauth | $0.02 | 1/1 | live |
| Futures ClockTrading hours and session windows for 65 futures products on 16 global exchanges | Finance | none | $0.01 | 1/1 | live |
| Goldprice.devCross-validated gold, silver & copper spot, futures & 30-year history in 13 curr | Finance | none | $0.01 | 1/1 | live |
| Halal TerminalShariah-compliant stock and ETF screening across 5 methodologies, zakat and puri | Finance | apikey | $0.02 | 1/1 | live |
| HeliousUS Treasury auction results with the tail and bidder split, plus scored economic | Finance | none | $0.01 | 1/1 | live |
| HeliumNews with media bias scoring, balanced news synthesis, live market data, AI opti | Finance | none | $0.01 | 1/1 | live |
| HotstoksStock market data powered by SQL | Finance | apikey | $0.02 | 1/1 | live |
| IBAN AnalyzerResolve an IBAN to its bank name, BIC, city and address for 60+ countries | Finance | none | $0.01 | 1/1 | live |
| IBANforgeIBAN validation and BIC/SWIFT lookup for 89 countries with 121k+ BIC entries | Finance | apikey | $0.02 | 1/1 | live |
| IGSpreadbetting and CFD Market Data | Finance | apikey | $0.02 | 1/1 | live |
| Indian Mutual FundGet complete history of India Mutual Funds Data | Finance | none | $0.01 | 1/1 | live |
| IntrinioA wide selection of financial data feeds | Finance | apikey | $0.02 | 1/1 | live |
| KlarnaKlarna payment and shopping service | Finance | apikey | $0.02 | 1/1 | live |
| KmalServico Gold Price DatasetCurrent gold price per gram at 6 purities for 188 countries, JSON, no auth | Finance | none | $0.01 | 1/1 | live |
| LiquiLensPublic-record bank and lender failure-risk evidence | Finance | none | $0.01 | 1/1 | live |
| MonoConnect with users’ bank accounts and access transaction data in Africa | Finance | apikey | $0.02 | 1/1 | live |
| NORTH7 AgentTrading signals, market analysis and geopolitical intelligence | Finance | apikey | $0.02 | 1/1 | live |
| OpenFIGIEquity, index, futures, options symbology from Bloomberg LP | Finance | apikey | $0.02 | 1/1 | live |
| PlaidConnect with user''s bank accounts and access transaction data | Finance | apikey | $0.02 | 1/1 | live |
| PolygonHistorical stock market data | Finance | apikey | $0.02 | 1/1 | live |
| Portfolio OptimizerPortfolio analysis and optimization | Finance | none | $0.01 | 1/1 | live |
| Razorpay IFSCIndian Financial Systems Code (Bank Branch Codes) | Finance | none | $0.01 | 1/1 | live |
| SmartAPIGain access to set of <SmartAPI> and create end-to-end broking services | Finance | apikey | $0.02 | 1/1 | live |
| StockFitSEC filings, financial statements, earnings, ETF holdings and ownership data | Finance | apikey | $0.02 | 1/1 | live |
| TickerLayerReal-time and historical market data for stocks, forex, crypto and more | Finance | apikey | $0.02 | 1/1 | live |
| Top 5 StocksDaily AI-ranked stock and crypto watchlists | Finance | none | $0.01 | 1/1 | live |
| TradierUS equity/option market data (delayed, intraday, historical) | Finance | oauth | $0.02 | 1/1 | live |
| Twelve DataStock market data (real-time & historical) | Finance | apikey | $0.02 | 1/1 | live |
| US Mortgage CalculatorMortgage payment, amortization, affordability and 50-state property tax data | Finance | none | $0.01 | 1/1 | live |
| WallstreetBetsWallstreetBets Stock Comments Sentiment Analysis | Finance | none | $0.01 | 1/1 | live |
| YNABBudgeting & Planning | Finance | oauth | $0.02 | 1/1 | live |
| ZelothornPlain-English explanations of US public companies with SEC filings and earnings | Finance | none | $0.01 | 1/1 | live |
| Zoho BooksOnline accounting software, built for your business | Finance | oauth | $0.02 | 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