Authorize.Net vs Alpaca
Side-by-side comparison of AI visibility scores, market position, and capabilities
Visa-owned (V) payment gateway processing $149B annually for 445K+ merchants; 20+ year legacy platform reimagined in April 2025 with AI fraud protection competing with Stripe for online payment processing.
About
Authorize.Net is a leading US payment gateway providing credit card, debit card, e-check, and digital wallet processing infrastructure for online, in-person, and phone transactions for 445,000+ merchants globally — processing over 1 billion transactions and $149 billion in payment volume annually as of 2025. Founded in 1996 in Salt Lake City, Authorize.Net was acquired by CyberSource in 2007, and then by Visa (NYSE: V) through its $2 billion acquisition of CyberSource in 2010, becoming part of Visa's merchant-facing commerce solutions portfolio.
Alpaca is a self-clearing broker-dealer and global leader in brokerage infrastructure APIs for stocks, ETFs, options, and fixed income; raised $52M Series C in April 2025 totaling $170M;
About
Alpaca is a developer-first brokerage infrastructure company founded in 2015 and headquartered in San Mateo, California. It operates as a fully self-clearing broker-dealer with DTCC, Nasdaq, OCC, and FICC memberships — enabling it to provide end-to-end brokerage infrastructure for stocks, ETFs, options, fixed income, and cryptocurrency without requiring partners to manage their own clearing relationships. Alpaca's Broker API allows fintech companies, neobrokerages, robo-advisors, and wealth management platforms to embed multi-asset trading into their applications with a single integration.
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