Marketstack

Extra Credit builds an outline of Marketstack's docs the first time your work uses it. Until then, start at the official documentation.

• Intrinio A wide selection of financial data feeds
• Invoice & Payment ID Validator Validate IBAN, BIC, EU VAT (live VIES), UK VAT and EIN, with a pay/review/hold payee check
• Klarna Klarna payment and shopping service
• KmalServico Gold Price Dataset Current gold price per gram at 6 purities for 188 countries, JSON, no auth
• LiquiLens Public-record bank and lender failure-risk evidence
• Live SEC Form 4 Insider Trades Latest SEC Form 4 insider trading filings from EDGAR, by ticker or market-wide
• matchwire.win Matched prediction-market games across Kalshi, Polymarket US/Intl and Predict.fun
• MercadoPago Mercado Pago API reference - all the information you need to develop your integrations
• Metal Sentinel Live and historical precious and base metal prices in 180+ currencies
• Mono Connect with users’ bank accounts and access transaction data in Africa
• Moov The Moov API makes it simple for platforms to send, receive, and store money
• Nigeria PAYE Nigerian income tax (PAYE) and take-home pay under the Nigeria Tax Act 2025