Alpha Vantage vs Twelve Data
Head-to-head market data API comparison. Updated 2026-05-23.
Overall winner: Twelve Data — wins 3 of 7 comparison axes.
Side-by-Side Comparison
| Feature | Alpha Vantage | Twelve Data |
|---|---|---|
| API Quality | 3/5 | 4/5 ✓ |
| Doc Quality | 3/5 | 4/5 ✓ |
| Data Latency | minute | second |
| SDK Languages | 5 languages | 5 languages |
| Free Tier | Yes | Yes |
| Affiliate Program | No | Yes |
| Asset Coverage Breadth | 5 asset classes | 6 asset classes ✓ |
| Asset Coverage | US Equities, Global Equities, Forex, Crypto, Commodities | US Equities, Global Equities, Forex, Crypto, ETFs, Indices |
| Historical Depth | 20+ years (daily); intraday 1-2 months on free | 30+ years (daily); intraday varies by plan |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Free: 25/day; paid from 75/min | Credit-based; each endpoint consumes different credit amount |
Alpha Vantage: Best For
- Beginners
- Homework / hobby projects
- Technical indicator data
- Fundamentals screening
Not Ideal For
- Production trading systems
- Real-time needs on free tier
- Tick data
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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