TradingDataCompare

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
Full Alpha Vantage review →

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
Full Twelve Data review →

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