IEX Cloud (Discontinued) VS Tiingo
Head-to-head market data API comparison.
UPDATED 2026-05-24 · 7 axes scored
WINNER · TIINGO · 4/7 AXES
Quick Decision
▶ PICK IEX CLOUD (DISCONTINUED) IF DATA-API
- Historical reference only
▶ PICK TIINGO IF DATA-API
- Indie devs
- News-driven systems
- Long-history backtesting (50+ yr)
- Multi-asset (equity + crypto + forex)
- Python users (mature SDK)
Side-by-Side Matrix
| METRIC | IEX CLOUD (DISCONTINUED) | TIINGO |
|---|---|---|
| API Quality | 3/5 | 4/5 |
| Doc Quality | 3/5 | 4/5 |
| Data Latency | second | tick |
| SDK Languages | 5 languages | 2 languages |
| Free Tier | No | Yes |
| Affiliate Program | No | No |
| Asset Coverage Breadth | 5 classes | 7 classes |
| Asset Coverage | US Equities · US Options · Crypto · Forex · Commodities | US Equities · ETFs · Mutual Funds · Crypto · Forex · News · Chinese Equities |
| Historical Depth | Service discontinued | 50+ years (US equities, mutual funds) |
| Starting Price | N/A | $0/mo |
| Rate Limits | Service discontinued | Free: 50 req/hour, 1,000 req/day, 500 unique symbols/month; Power: unlimited unique symbols |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | IEX CLOUD (DISCONTINUED) | TIINGO |
|---|---|---|
| Chinese Equities | — | ✓ Covered |
| Commodities | ✓ Covered | — |
| Crypto | ✓ Covered | ✓ Covered |
| ETFs | — | ✓ Covered |
| Forex | ✓ Covered | ✓ Covered |
| Mutual Funds | — | ✓ Covered |
| News | — | ✓ Covered |
| US Equities | ✓ Covered | ✓ Covered |
| US Options | ✓ Covered | — |
| TOTAL CLASSES | 5 | 7 |
Only IEX Cloud (Discontinued)
US Options · Commodities
Only Tiingo
ETFs · Mutual Funds · News · Chinese Equities
Shared · 3
US Equities · Crypto · Forex
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 1 vs 3 tiers.
IEX CLOUD (DISCONTINUED) · 1 TIERS
01
Discontinued N/A
IEX Cloud shut down on August 31, 2024
TIINGO · 3 TIERS FREE TIER
01
Free $0/mo
50 req/hour, 1,000 req/day, 500 unique symbols/month
02
Power $10/mo
Unlimited unique symbol API calls, unlimited saved screens, 15 custom indicators
03
Commercial Custom
Commercial license + commercial-use rights
▲ Free Tier · Free starter — 50 req/hour, 1,000 req/day, 500 unique symbols/month, EOD data
Technical Stack Fit
SDK languages and data formats determine integration cost for your existing codebase.
| DIMENSION | IEX CLOUD (DISCONTINUED) | TIINGO |
|---|---|---|
| API Types | REST · WebSocket · SDK | REST · WebSocket · SDK |
| SDK Languages | Python · JavaScript · Java · Go · Ruby | Python · JavaScript |
| Data Formats | JSON | JSON · CSV |
| Rate Limits | Service discontinued | Free: 50 req/hour, 1,000 req/day, 500 unique symbols/month; Power: unlimited unique symbols |
| Latency Class | second | tick |
Fit Profile
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
TIINGO · PROFILE DATA-API
Best For
- Indie devs
- News-driven systems
- Long-history backtesting (50+ yr)
- Multi-asset (equity + crypto + forex)
- Python users (mature SDK)
Not Ideal For
- Tick-level options HFT
- L2 order book
- Sub-millisecond latency
Full Tiingo Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
IEX Cloud (Discontinued) vs DatabentoTiingo vs DatabentoIEX Cloud (Discontinued) vs Polygon.io (now Massive)Tiingo vs Polygon.io (now Massive)IEX Cloud (Discontinued) vs AlpacaTiingo vs AlpacaIEX Cloud (Discontinued) vs FinnhubTiingo vs FinnhubIEX Cloud (Discontinued) vs Alpha VantageTiingo vs Alpha VantageIEX Cloud (Discontinued) vs Twelve DataTiingo vs Twelve DataIEX Cloud (Discontinued) vs EODHD (EOD Historical Data)Tiingo vs EODHD (EOD Historical Data)IEX Cloud (Discontinued) vs FinazonTiingo vs Finazon