Fed Treasury
U.S. Department of the Treasury Data
Finance · No auth · HTTPS
Finance APIs · Page 4
Page 4 of 10
Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
Goldprice.dev
Cross-validated gold, silver & copper spot, futures & 30-year history in 13 currencies
Finance · No auth · HTTPS
Indian Mutual Fund
Get complete history of India Mutual Funds Data
Finance · No auth · HTTPS
KmalServico Gold Price Dataset
Current gold price per gram at 6 purities for 188 countries, JSON, no auth
Finance · No auth · HTTPS
Razorpay IFSC
Indian Financial Systems Code (Bank Branch Codes)
Finance · No auth · HTTPS
Top 5 Stocks
Daily AI-ranked stock and crypto watchlists
Finance · No auth · HTTPS
VoxOdds
Polymarket and Kalshi odds, all-in executable quotes, EV checks and audited forecast scores
Finance · No auth · HTTPS
WallstreetBets
WallstreetBets Stock Comments Sentiment Analysis
Finance · No auth · HTTPS
Clear Street
Trade US stocks and options, with market data, fundamentals and account data
Finance · API key · HTTPS
Metal Sentinel
Live and historical precious and base metal prices in 180+ currencies
Finance · API key · HTTPS
Invoice & Payment ID Validator
Validate IBAN, BIC, EU VAT (live VIES), UK VAT and EIN, with a pay/review/hold payee check
Finance · API key · HTTPS
USTariffRates
US HTS lookup and origin-specific tariff breakdowns with source context
Finance · API key · HTTPS
Degenscan Intel Macro
U.S. Treasury auctions, stablecoin supply, Brazil crypto-dollar premium vs BCB PTAX; free trial key
Finance · API key · HTTPS
Live SEC Form 4 Insider Trades
Latest SEC Form 4 insider trading filings from EDGAR, by ticker or market-wide
Finance · API key · HTTPS
Klarna
Klarna payment and shopping service
Finance · API key · HTTPS
matchwire.win
Matched prediction-market games across Kalshi, Polymarket US/Intl and Predict.fun
Finance · API key · HTTPS
Arkleon
Point-in-time SEC EDGAR fundamentals over /v1
Finance · API key · HTTPS
Stanza VAT Validator
Validate EU and UK VAT numbers with country formats, checksums, and VIES status
Finance · API key · HTTPS
Agent Toolbelt
AI-generated stock analysis (investment thesis, valuation, insider signal, earnings) from live fundamentals, as structured JSON
Finance · API key · HTTPS
AlphaAI
Financial news scored 1-10 for relevance and tagged with stock tickers, plus SEC Form 4 insider and 8-K event data; free tier 100 requests/day
Finance · API key · HTTPS
Barchart OnDemand
Stock, Futures and Forex Market Data
Finance · API key · HTTPS
CommodityPriceAPI
Real-time & historical commodity prices (metals, energy, etc)
Finance · API key · HTTPS
Earnings Feed
Real-time SEC filings, insider trades, and institutional holdings
Finance · API key · HTTPS
Filingrail
SEC EDGAR filings, XBRL financials, Form 4 insider trades, 8-K events and 13F holdings
Finance · API key · HTTPS