Nasdaq Data Link vs Twelve Data
Head-to-head market data API comparison. Updated 2026-05-24.
Overall winner: Twelve Data — wins 1 of 7 comparison axes.
Side-by-Side Comparison
| Feature | Nasdaq Data Link | Twelve Data |
|---|---|---|
| API Quality | 3/5 | 4/5 ✓ |
| Doc Quality | 4/5 | 4/5 |
| Data Latency | daily | second |
| SDK Languages | 5 languages | 5 languages |
| Free Tier | Yes | Yes |
| Affiliate Program | No | Yes |
| Asset Coverage Breadth | 6 asset classes | 6 asset classes |
| Asset Coverage | US Equities, Global Equities, Futures, Forex, Commodities, Alternative Data | US Equities, Global Equities, Forex, Crypto, ETFs, Indices |
| Historical Depth | 50+ years on select datasets; varies widely | 30+ years (daily); intraday varies by plan |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Free: 50 calls/day; Premium: higher limits per dataset | Credit-based; each endpoint consumes different credit amount |
Nasdaq Data Link: 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
Twelve Data: Best For
- Global coverage needs
- Technical indicator API
- Fintech apps
- Forex + crypto combo
Not Ideal For
- Tick data / HFT
- Deep US options data
- Large bulk downloads
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