TradingDataCompare

Finnhub vs IEX Cloud (Discontinued)

Head-to-head comparison of two trading data providers. Updated 2026-05-23.

Overall winner: Finnhub — wins 3 of 6 comparison axes.

Side-by-Side Comparison

Feature Finnhub IEX Cloud (Discontinued)
API Quality 4/5 ✓ 3/5
Doc Quality 4/5 ✓ 3/5
Free Tier Yes ✓ No
Affiliate Program No No
Data Latency second second
SDK Languages 5 languages 5 languages
Asset Coverage US Equities, Global Equities, Forex, Crypto, ETFs US Equities, US Options, Crypto, Forex, Commodities
Historical Depth 30+ years (daily); 1 year intraday on free Service discontinued
Starting Price $0/mo N/A
Rate Limits Free: 60/min; paid: 300/min Service discontinued

Finnhub: Best For

  • Indie developers
  • Screener apps
  • Sentiment / news analytics
  • Global equities

Not Ideal For

  • Tick data / HFT
  • Deep intraday history free tier
  • Futures
Full Finnhub review →

IEX Cloud (Discontinued): Best For

  • Historical reference only

Not Ideal For

  • Any new project — service is shut down
Full IEX Cloud (Discontinued) review →

More Comparisons

Finnhub vs Databento IEX Cloud (Discontinued) vs Databento Finnhub vs Polygon.io (now Massive) IEX Cloud (Discontinued) vs Polygon.io (now Massive) Finnhub vs Alpaca IEX Cloud (Discontinued) vs Alpaca Finnhub vs Alpha Vantage IEX Cloud (Discontinued) vs Alpha Vantage Finnhub vs Twelve Data IEX Cloud (Discontinued) vs Twelve Data Finnhub vs EOD Historical Data IEX Cloud (Discontinued) vs EOD Historical Data