Tradier vs Twelve Data
Head-to-head market data API comparison. Updated 2026-05-24.
Overall winner: Twelve Data — wins 2 of 7 comparison axes.
Side-by-Side Comparison
| Feature | Tradier | Twelve Data |
|---|---|---|
| API Quality | 4/5 | 4/5 |
| Doc Quality | 4/5 | 4/5 |
| Data Latency | second | second |
| SDK Languages | 3 languages | 5 languages ✓ |
| Free Tier | Yes | Yes |
| Affiliate Program | Yes | Yes |
| Asset Coverage Breadth | 3 asset classes | 6 asset classes ✓ |
| Asset Coverage | US Equities, US Options, ETFs | US Equities, Global Equities, Forex, Crypto, ETFs, Indices |
| Historical Depth | 10+ years (daily OHLCV); 1-min intraday on paid | 30+ years (daily); intraday varies by plan |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Generous; no published hard limits on Developer plan | Credit-based; each endpoint consumes different credit amount |
Tradier: Best For
- US options traders
- Retail algo traders
- Commission-free trading bots
- Options analytics apps
Not Ideal For
- International markets
- Crypto
- Futures
- Non-US exchanges
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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