TradingDataCompare

Alpaca vs OANDA

Head-to-head market data API comparison. Updated 2026-05-24.

Side-by-Side Comparison

Feature Alpaca OANDA
API Quality 4/5 4/5
Doc Quality 4/5 4/5
Data Latency second tick
SDK Languages 4 languages ✓ 3 languages
Free Tier Yes Yes
Affiliate Program No Yes
Asset Coverage Breadth 3 asset classes 4 asset classes ✓
Asset Coverage US Equities, US Options, Crypto Forex, CFDs, Commodities, Indices
Historical Depth 2016–present (minute bars); limited tick 2001–present (FX tick and candle)
Starting Price $0/mo $0
Rate Limits 200 req/min free; higher on paid plans 120 req/sec on REST; no stated limit on streaming

Alpaca: Best For

  • Retail algo traders
  • Python quants
  • Paper trading bots
  • US equity automation

Not Ideal For

  • International markets
  • Deep historical tick data
  • Options analytics
Full Alpaca review →

OANDA: Best For

  • Forex algo traders
  • FX backtesting (deep history)
  • CFD automation
  • EA developers

Not Ideal For

  • Equities data
  • Crypto beyond CFDs
  • Non-FX asset classes
Full OANDA review →

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