Top Tiingo Alternatives & Similar APIs (2026)
Looking for alternatives to Tiingo? Compare 8 verified free and public APIs in the finance category with rate limits, auth methods, and ready-to-use snippets.
Alternatives Feature Comparison
8 Options| API Service | Auth Type | Rate Limit | CORS | Action |
|---|---|---|---|---|
| SiftingIO | Free Key | 10,000 req/month (Free Tier) | HTTPS • CORS | Explore |
| Alpha Vantage | Free Key | 5 req/min | HTTPS • CORS | Explore |
| Finnhub | Free Key | 60 req/min | HTTPS • CORS | Explore |
| Twelve Data | Free Key | 800 req/day | HTTPS • CORS | Explore |
| Yahoo Finance | Free Key | Variable | HTTPS • CORS | Explore |
| Polygon.io | Free Key | 5 req/min | HTTPS • CORS | Explore |
| Marketstack | Free Key | 100 req/month | HTTPS • CORS | Explore |
| Frankfurter | No Key (Zero-Auth) | Unlimited | HTTPS • CORS | Explore |
Detailed Breakdown of Tiingo Alternatives
SiftingIO
Real-time and historical market data for US stocks, forex, crypto and commodities via REST and WebSocket. 25+ years of OHLCV history, watchlists and portfolio analytics.
Alpha Vantage
Real-time and historical stock market quotes, forex, and crypto time series
Finnhub
Institutional-grade real-time market data, company fundamentals, and earnings
Twelve Data
Global financial market data for equities, forex, indices, and crypto
Yahoo Finance
Global stock quotes, market data, currency rates, and financial news
Polygon.io
Real-time and historical financial market data API for US stocks, options, forex, and crypto.
Choosing the Best Alternative to Tiingo
Which alternative is quickest to start?
Alternatives labeled "Zero-Auth" do not require registration or API keys. You can swap your endpoint URL and test in minutes without creating provider accounts.
Are these alternatives free for production?
All listed alternatives offer legitimate free tiers or open data licenses. Review the specific rate limits on each API detail page to ensure your traffic stays within quota.