IEX Cloud (Discontinued) VS OANDA
Head-to-head market data API comparison.
UPDATED 2026-05-24 · 7 axes scored
WINNER · OANDA · 3/7 AXES
Quick Decision
▶ PICK IEX CLOUD (DISCONTINUED) IF DATA-API
- Historical reference only
▶ PICK OANDA IF DATA-API
- Forex algo traders
- FX backtesting (deep history)
- CFD automation
- EA developers
Side-by-Side Matrix
| METRIC | IEX CLOUD (DISCONTINUED) | OANDA |
|---|---|---|
| API Quality | 3/5 | 4/5 |
| Doc Quality | 3/5 | 4/5 |
| Data Latency | second | tick |
| SDK Languages | 5 languages | 3 languages |
| Free Tier | No | Yes |
| Affiliate Program | No | Yes |
| Asset Coverage Breadth | 5 classes | 4 classes |
| Asset Coverage | US Equities · US Options · Crypto · Forex · Commodities | Forex · CFDs · Commodities · Indices |
| Historical Depth | Service discontinued | 2001–present (FX tick and candle) |
| Starting Price | N/A | $0 |
| Rate Limits | Service discontinued | 120 req/sec on REST; no stated limit on streaming |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | IEX CLOUD (DISCONTINUED) | OANDA |
|---|---|---|
| CFDs | — | ✓ Covered |
| Commodities | ✓ Covered | ✓ Covered |
| Crypto | ✓ Covered | — |
| Forex | ✓ Covered | ✓ Covered |
| Indices | — | ✓ Covered |
| US Equities | ✓ Covered | — |
| US Options | ✓ Covered | — |
| TOTAL CLASSES | 5 | 4 |
Only IEX Cloud (Discontinued)
US Equities · US Options · Crypto
Only OANDA
CFDs · Indices
Shared · 2
Forex · Commodities
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 1 vs 2 tiers.
IEX CLOUD (DISCONTINUED) · 1 TIERS
01
Discontinued N/A
IEX Cloud shut down on August 31, 2024
OANDA · 2 TIERS FREE TIER
01
Practice Account $0
Full API access on demo account
02
Live Account Spread-based
Live trading + full historical data API
▲ Free Tier · Free practice/demo account with full API access
Technical Stack Fit
SDK languages and data formats determine integration cost for your existing codebase.
| DIMENSION | IEX CLOUD (DISCONTINUED) | OANDA |
|---|---|---|
| API Types | REST · WebSocket · SDK | REST · WebSocket |
| SDK Languages | Python · JavaScript · Java · Go · Ruby | Python · Java · JavaScript |
| Data Formats | JSON | JSON |
| Rate Limits | Service discontinued | 120 req/sec on REST; no stated limit on streaming |
| 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- Historical reference only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
OANDA · PROFILE DATA-API
Best For
- Forex algo traders
- FX backtesting (deep history)
- CFD automation
- EA developers
Not Ideal For
- Equities data
- Crypto beyond CFDs
- Non-FX asset classes
Full OANDA Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
IEX Cloud (Discontinued) vs DatabentoOANDA vs DatabentoIEX Cloud (Discontinued) vs Polygon.io (now Massive)OANDA vs Polygon.io (now Massive)IEX Cloud (Discontinued) vs AlpacaOANDA vs AlpacaIEX Cloud (Discontinued) vs FinnhubOANDA vs FinnhubIEX Cloud (Discontinued) vs Alpha VantageOANDA vs Alpha VantageIEX Cloud (Discontinued) vs Twelve DataOANDA vs Twelve DataIEX Cloud (Discontinued) vs EODHD (EOD Historical Data)OANDA vs EODHD (EOD Historical Data)IEX Cloud (Discontinued) vs FinazonOANDA vs Finazon