Brokerage-as-a-Service (Investing API / Clearing) · Vendor file
Alpaca
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company announcement + CoinDesk confirm $135M equity led by Peak XV; round not Series-lettered
Active · verified September 2026
Categories Alpaca serves
The B4 Index places Alpaca in one category. Each category page lays out the build-versus-buy considerations for that decision.
Brokerage-as-a-Service (Investing API / Clearing) Primary Per-trade / revenue-share + platform fees
Funding history
Growth equity (Peak XV-led) $135M
$135M in disclosed funding across 1 recorded event.
The B4 Index scores every software category on two axes, strategic differentiation and AI feasibility, to
classify it Build, Buy, Bridge, or Beware. Vendor facts here are independent of that call. See the full
methodology.