Finance¶
76 free Finance APIs — auth type, HTTPS and CORS support for each, so you can pick the right one without opening every docs page.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Marketstack | Real-Time, Intraday & Historical Market Data API | apiKey |
Yes | Unknown |
| Aletheia | Insider trading data, earnings call analysis, financial statements, and more | apiKey |
Yes | Yes |
| Alpaca | Realtime and historical market data on all US equities and ETFs | apiKey |
Yes | Yes |
| Alpha Vantage | Realtime and historical stock data | apiKey |
Yes | Unknown |
| Banco do Brasil | All Banco do Brasil financial transaction APIs | OAuth |
Yes | Yes |
| Bank Data | Instant IBAN and SWIFT number validation across the globe | apiKey |
Yes | Unknown |
| Banking Access Index | Which US business banking providers accept founders by country of residence, with sources | No | Yes | Yes |
| Billplz | Payment platform | apiKey |
Yes | Unknown |
| Binlist | Public access to a database of IIN/BIN information | No | Yes | Unknown |
| Boleto.Cloud | A api to generate boletos in Brazil | apiKey |
Yes | Unknown |
| BriefTape | Real-time AI-summarized SEC filings, Fed, FDA and BLS data, ticker-tagged | apiKey |
Yes | Yes |
| Citi | All Citigroup account and statement data APIs | apiKey |
Yes | Unknown |
| CongressInvests | Real-time U.S. congressional stock trade disclosures from Senate EFD and House Clerk | apiKey |
Yes | Yes |
| Dino.markets | Matched Kalshi and Polymarket prediction-market data, cross-venue spreads | apiKey |
Yes | No |
| Drillr | Fundamentals, filings, earnings, ownership and events for US, China and Japan equities | apiKey |
Yes | No |
| Econdb | Global macroeconomic data | No | Yes | Yes |
| EconPulse | Live economic data — CPI, PPI, energy, treasury rates, BTC premium | apiKey |
Yes | Yes |
| Edgrapi | Clean SEC EDGAR company financials, ratios, filings and 10-K/10-Q sections as normalized JSON | apiKey |
Yes | Unknown |
| EOD Historical Data | Real-time and historical stock market data with 150+ exchanges | apiKey |
Yes | Yes |
| EstimateTax | US federal, state and local income tax calculation for 2026, with the source of every figure | No | Yes | Yes |
| FarmDash | DeFi intelligence, protocol risk, yield simulation plus 84 MCP agent tools, free Scout tier | apiKey |
Yes | Yes |
| Fed Treasury | U.S. Department of the Treasury Data | No | Yes | Unknown |
| Filingrail | SEC EDGAR filings, XBRL financials, Form 4 insider trades, 8-K events and 13F holdings | apiKey |
Yes | Unknown |
| Finage | Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider | apiKey |
Yes | Unknown |
| Financial Modeling Prep | Realtime and historical stock data | apiKey |
Yes | Unknown |
| Finnhub | Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto | apiKey |
Yes | Unknown |
| FRED | Economic data from the Federal Reserve Bank of St. Louis | apiKey |
Yes | Yes |
| Front Accounting APIs | Front accounting is multilingual and multicurrency software for small businesses | OAuth |
Yes | Yes |
| Futures Clock | Trading hours and session windows for 65 futures products on 16 global exchanges | No | Yes | Yes |
| FXNewsBias | AI-scored news sentiment for the 8 major forex currencies, refreshed every 3 hours | apiKey |
Yes | Yes |
| Goldprice.dev | Cross-validated gold, silver & copper spot, futures & 30-year history in 13 currencies | No | Yes | Unknown |
| Halal Terminal | Shariah-compliant stock and ETF screening across 5 methodologies, zakat and purification | apiKey |
Yes | Yes |
| Helious | US Treasury auction results with the tail and bidder split, plus scored economic releases | No | Yes | Yes |
| Helium | News with media bias scoring, balanced news synthesis, live market data, AI options pricing | No | Yes | Yes |
| Hotstoks | Stock market data powered by SQL | apiKey |
Yes | Yes |
| IBAN Analyzer | Resolve an IBAN to its bank name, BIC, city and address for 60+ countries | No | Yes | Yes |
| IBANforge | IBAN validation and BIC/SWIFT lookup for 89 countries with 121k+ BIC entries | apiKey |
Yes | No |
| IEX Cloud | Realtime & Historical Stock and Market Data | apiKey |
Yes | Yes |
| IG | Spreadbetting and CFD Market Data | apiKey |
Yes | Unknown |
| Indian Mutual Fund | Get complete history of India Mutual Funds Data | No | Yes | Unknown |
| Intrinio | A wide selection of financial data feeds | apiKey |
Yes | Unknown |
| Klarna | Klarna payment and shopping service | apiKey |
Yes | Unknown |
| KmalServico Gold Price Dataset | Current gold price per gram at 6 purities for 188 countries, JSON, no auth | No | Yes | No |
| LiquiLens | Public-record bank and lender failure-risk evidence | No | Yes | Yes |
| MercadoPago | Mercado Pago API reference - all the information you need to develop your integrations | apiKey |
Yes | Unknown |
| Mono | Connect with users’ bank accounts and access transaction data in Africa | apiKey |
Yes | Unknown |
| Moov | The Moov API makes it simple for platforms to send, receive, and store money | apiKey |
Yes | Unknown |
| NORTH7 Agent | Trading signals, market analysis and geopolitical intelligence | apiKey |
Yes | Yes |
| Nordigen | Connect to bank accounts using official bank APIs and get raw transaction data | apiKey |
Yes | Unknown |
| OpenFIGI | Equity, index, futures, options symbology from Bloomberg LP | apiKey |
Yes | Yes |
| PIT Financial State | Point-in-time quarterly revenue for 20 U.S. issuers | apiKey |
Yes | Unknown |
| Plaid | Connect with user's bank accounts and access transaction data | apiKey |
Yes | Unknown |
| Polygon | Historical stock market data | apiKey |
Yes | Unknown |
| Portfolio Optimizer | Portfolio analysis and optimization | No | Yes | Yes |
| Razorpay IFSC | Indian Financial Systems Code (Bank Branch Codes) | No | Yes | Unknown |
| Real Time Finance | Websocket API to access realtime stock data | apiKey |
No | Unknown |
| SEC EDGAR Data | API to access annual reports of public US companies | No | Yes | Yes |
| SmartAPI | Gain access to set of |
apiKey |
Yes | Unknown |
| StockData | Real-Time, Intraday & Historical Market Data, News and Sentiment API | apiKey |
Yes | Yes |
| StockFit | SEC filings, financial statements, earnings, ETF holdings and ownership data | apiKey |
Yes | Yes |
| Styvio | Realtime and historical stock data and current stock sentiment | apiKey |
Yes | Unknown |
| Sugra | One API for market data, economics, commodities, climate, and global news. LLM-ready JSON | apiKey |
Yes | Yes |
| Tax Data | Instant VAT number and tax validation across the globe | apiKey |
Yes | Unknown |
| TickerLayer | Real-time and historical market data for stocks, forex, crypto and more | apiKey |
Yes | Unknown |
| Top 5 Stocks | Daily AI-ranked stock and crypto watchlists | No | Yes | Unknown |
| Tradier | US equity/option market data (delayed, intraday, historical) | OAuth |
Yes | Yes |
| Twelve Data | Stock market data (real-time & historical) | apiKey |
Yes | Unknown |
| US Mortgage Calculator | Mortgage payment, amortization, affordability and 50-state property tax data | No | Yes | Yes |
| VAT Validation | Validate VAT numbers and calculate VAT rates | apiKey |
Yes | Yes |
| VoxOdds | Polymarket and Kalshi odds, all-in executable quotes, EV checks and audited forecast scores | No | Yes | No |
| WallstreetBets | WallstreetBets Stock Comments Sentiment Analysis | No | Yes | Unknown |
| XFINLAB | Market events, sentiment, technical analysis and macro data for stocks | apiKey |
Yes | Unknown |
| Yahoo Finance | Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange | apiKey |
Yes | Yes |
| YNAB | Budgeting & Planning | OAuth |
Yes | Yes |
| Zelothorn | Plain-English explanations of US public companies with SEC filings and earnings data | No | Yes | Yes |
| Zoho Books | Online accounting software, built for your business | OAuth |
Yes | Unknown |
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