Tiingo
Stocks Free key (no card)
AuthenticationFree key (no card)
Rate limitFree Starter: 50 requests/hour, 1,000 requests/day, 1 GB/month, 500 unique symbols/month.
Documentation: www.tiingo.com ยท Checked Sep 13, 2026
About
Independently owned market-data API (since 2014) offering US EOD equity prices, crypto and FX prices, corporate actions, and news. The free Starter plan includes 500 unique symbols per month, 50 requests/hour, 1,000 requests/day, 1 GB of monthly bandwidth, 30+ years of price history, and a free real-time IEX WebSocket feed. Data is licensed for personal/internal, non-commercial use on the free tier.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: Free Starter: 50 requests/hour, 1,000 requests/day, 1 GB/month, 500 unique symbols/month.
Verified: 2026-09-13
Best for: Stock backtests Personal dashboards Watchlist apps
Setup
- Create a free account at tiingo.com (no credit card required).
- Copy your API token from the account dashboard.
- Pass the token as a query parameter or Authorization header on each request.
Example
GET https://api.tiingo.com/tiingo/daily/AAPL/prices?startDate=2025-01-01&token=YOUR_TOKENUse cases
- Historical price backtests and charting
- Personal portfolio dashboards and screeners
- Crypto and FX price tracking in hobby apps