Finnhub VS IEX Cloud (Discontinued)
Head-to-head market data API comparison.
UPDATED 2026-05-23 · 7 axes scored
WINNER · FINNHUB · 3/7 AXES
Quick Decision
▶ PICK FINNHUB IF DATA-API
- Indie developers
- Screener apps
- Sentiment / news analytics
- Global equities
▶ PICK IEX CLOUD (DISCONTINUED) IF DATA-API
- Historical reference only
Side-by-Side Matrix
| METRIC | FINNHUB | IEX CLOUD (DISCONTINUED) |
|---|---|---|
| API Quality | 4/5 | 3/5 |
| Doc Quality | 4/5 | 3/5 |
| Data Latency | second | second |
| SDK Languages | 5 languages | 5 languages |
| Free Tier | Yes | No |
| Affiliate Program | No | No |
| Asset Coverage Breadth | 5 classes | 5 classes |
| 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 |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | FINNHUB | IEX CLOUD (DISCONTINUED) |
|---|---|---|
| Commodities | — | ✓ Covered |
| Crypto | ✓ Covered | ✓ Covered |
| ETFs | ✓ Covered | — |
| Forex | ✓ Covered | ✓ Covered |
| Global Equities | ✓ Covered | — |
| US Equities | ✓ Covered | ✓ Covered |
| US Options | — | ✓ Covered |
| TOTAL CLASSES | 5 | 5 |
Only Finnhub
Global Equities · ETFs
Only IEX Cloud (Discontinued)
US Options · Commodities
Shared · 3
US Equities · Forex · Crypto
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 2 vs 1 tiers.
FINNHUB · 2 TIERS FREE TIER
01
Free $0/mo
60 calls/min, real-time US + global quotes
02
All-In-One $50/mo
300 calls/min, premium datasets, financials
▲ Free Tier · Free: 60 API calls/min, real-time quotes, WebSocket trades
IEX CLOUD (DISCONTINUED) · 1 TIERS
01
Discontinued N/A
IEX Cloud shut down on August 31, 2024
Technical Stack Fit
SDK languages and data formats determine integration cost for your existing codebase.
| DIMENSION | FINNHUB | IEX CLOUD (DISCONTINUED) |
|---|---|---|
| API Types | REST · WebSocket | REST · WebSocket · SDK |
| SDK Languages | Python · JavaScript · Go · Ruby · PHP | Python · JavaScript · Java · Go · Ruby |
| Data Formats | JSON | JSON |
| Rate Limits | Free: 60/min; paid: 300/min | Service discontinued |
| Latency Class | second | second |
Fit Profile
FINNHUB · PROFILE DATA-API
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) · PROFILE DATA-API
Best For
- Historical reference only
Not Ideal For
- Any new project — service is shut down
Full IEX Cloud (Discontinued) Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
Finnhub vs DatabentoIEX Cloud (Discontinued) vs DatabentoFinnhub vs Polygon.io (now Massive)IEX Cloud (Discontinued) vs Polygon.io (now Massive)Finnhub vs AlpacaIEX Cloud (Discontinued) vs AlpacaFinnhub vs Alpha VantageIEX Cloud (Discontinued) vs Alpha VantageFinnhub vs Twelve DataIEX Cloud (Discontinued) vs Twelve DataFinnhub vs EODHD (EOD Historical Data)IEX Cloud (Discontinued) vs EODHD (EOD Historical Data)Finnhub vs FinazonIEX Cloud (Discontinued) vs FinazonFinnhub vs OANDAIEX Cloud (Discontinued) vs OANDA