Nasdaq Data Link VS Tiingo
Head-to-head market data API comparison.
UPDATED 2026-05-27 · 7 axes scored
WINNER · TIINGO · 2/7 AXES
Quick Decision
▶ PICK NASDAQ DATA LINK IF DATA-API
- Quant researchers
- Alternative data buyers
- Macro/fundamental analysts
- Academic researchers
▶ 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 | NASDAQ DATA LINK | TIINGO |
|---|---|---|
| API Quality | 3/5 | 4/5 |
| Doc Quality | 4/5 | 4/5 |
| Data Latency | daily | tick |
| SDK Languages | 5 languages | 2 languages |
| Free Tier | Yes | Yes |
| Affiliate Program | No | No |
| Asset Coverage Breadth | 6 classes | 7 classes |
| Asset Coverage | US Equities · Global Equities · Futures · Forex · Commodities · Alternative Data | US Equities · ETFs · Mutual Funds · Crypto · Forex · News · Chinese Equities |
| Historical Depth | 50+ years on select datasets; varies widely | 50+ years (US equities, mutual funds) |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Anonymous: 20 calls/10min, 50/day; Free w/ API key: 300/10s, 2,000/10min, 50,000/day; Premium: higher limits per dataset | 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 | NASDAQ DATA LINK | TIINGO |
|---|---|---|
| Alternative Data | ✓ Covered | — |
| Chinese Equities | — | ✓ Covered |
| Commodities | ✓ Covered | — |
| Crypto | — | ✓ Covered |
| ETFs | — | ✓ Covered |
| Forex | ✓ Covered | ✓ Covered |
| Futures | ✓ Covered | — |
| Global Equities | ✓ Covered | — |
| Mutual Funds | — | ✓ Covered |
| News | — | ✓ Covered |
| US Equities | ✓ Covered | ✓ Covered |
| TOTAL CLASSES | 6 | 7 |
Only Nasdaq Data Link
Global Equities · Futures · Commodities · Alternative Data
Only Tiingo
ETFs · Mutual Funds · Crypto · News · Chinese Equities
Shared · 2
US Equities · Forex
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 2 vs 3 tiers.
NASDAQ DATA LINK · 2 TIERS FREE TIER
01
Free $0/mo
Open datasets, limited premium access
02
Premium Custom
Institutional datasets, alternative data, bulk downloads
▲ Free Tier · Free: select open datasets; core financial data free with registration
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 | NASDAQ DATA LINK | TIINGO |
|---|---|---|
| API Types | REST · SDK | REST · WebSocket · SDK |
| SDK Languages | Python · R · JavaScript · Ruby · Excel | Python · JavaScript |
| Data Formats | JSON · CSV · Excel | JSON · CSV |
| Rate Limits | Anonymous: 20 calls/10min, 50/day; Free w/ API key: 300/10s, 2,000/10min, 50,000/day; Premium: higher limits per dataset | Free: 50 req/hour, 1,000 req/day, 500 unique symbols/month; Power: unlimited unique symbols |
| Latency Class | daily | tick |
Fit Profile
NASDAQ DATA LINK · PROFILE DATA-API
Best For
- Quant researchers
- Alternative data buyers
- Macro/fundamental analysts
- Academic researchers
Not Ideal For
- Real-time trading systems
- Tick data / HFT
- Crypto
- Intraday strategies
Full Nasdaq Data Link 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
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