AlpacaDB

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AlpacaDB Inc.
Company typePrivate [1]
IndustryFinancial technology [1]
Founded2015; 11 years ago (2015)[2]
FoundersYoshi Yokokawa and Hitoshi Harada[3]
Headquarters
San Mateo, California
,
United States[4][5]
Area served
Worldwide [6][7]
Number of employees
200+ [8] (2025)
Subsidiaries
  • Alpaca Securities (US)[9]
  • Alpaca Crypto (US) [10]
  • Alpaca Japan (Japan) [11]
  • AlpacaX Securities and
  • AlpacaX Crypto (Bahamas)[12][13]
Websitealpaca.markets

AlpacaDB Inc. (herein referred to as "Alpaca") is an American financial technology company headquartered in Silicon Valley that provides an API for stock, options, fixed income, and crypto trading for institutions and individual traders to build financial applications. This functionality lets developers process know your customer verification [14] as well as the trading of stocks, exchange-traded funds (ETFs), options, and cryptocurrencies. Alpaca also offers securities lending for stocks and ETFs and provides brokerage functionality and market data that comply with regulatory requirements.[14][1][15]

History

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Originally co-founded in 2015 by Yoshi Yokokawa and Hitoshi Harada, Alpaca initially focused on developing a database called MarketStore, and a machine learning algorithm called AlpacaAlgo, to make predictions from large sets of market time-series data.[3][16] AlpacaAlgo would go on to execute millions of dollars in real-money trading volume.[17]

Yokokawa pivoted Alpaca in 2018 to a platform that would handle banking, security and regulatory complexities through APIs. Part of this pivot included the registration of Alpaca Securities LLC in March 2017, and FINRA approval occurring in 2018.[18][19][20]

Investor-backed funding began in 2018 with $3 million in pre-series A funding and the company took part in Y Combinator's Winter 2019 (W19) batch.[21][3] By April 2025, the company had raised more than $170 million, backed by investors such as Portage Ventures, Spark Capital, Social Leverage, and Y Combinator. During its Series C round in which it secured $52 million, Alpaca opened a New York office and expanded into the Middle East, Europe, and Asia.[1][22]

Fintech firms and investment platforms have built their services on Alpaca’s APIs.[1] For example, the Y Combinator-backed startup Gotrade, launched with Alpaca’s Broker API allowing users in more than 150 countries to invest in U.S. equities with fractional shares. In 2025, cryptocurrency exchange Kraken used Alpaca’s Broker API to introduce U.S. stock and ETF trading to its users, enabling fractional shares with low-latency execution and no commission.[23][24]

The no-code platform Composer, employs Alpaca’s Trading API where users design, backtest, and run algorithmic strategies without writing code. In 2025, Alpaca also announced partnerships with regional investment apps such as ZAD, a Kuwait-based provider of Shariah-compliant investing services, and Manzil Invest USA, a platform with faith-aligned portfolios for American Muslims, both of which use the Broker API for trade execution and account infrastructure.[25]

Structure

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AlpacaDB, Inc. is the primary corporate entity and the company operates globally through several subsidiaries such as:[26]

  • Alpaca Securities LLC ("Alpaca Securities"), a member FINRA/SIPC[19][27]
  • Alpaca Crypto LLC ("Alpaca Crypto"), a FinCEN registered money services business (NMLS# 2160858) for cryptocurrency services[28]
  • AlpacaJapan Co., Ltd, a Kinsho under Kanto Local Finance Bureau Director (#3024) and a JSDA member[26]

Alpaca is a member of the Depository Trust and Clearing Corporation (DTCC), Options Clearing Corporation (OCC), and Fixed Income Clearing Corporation (FICC).[29][30] Alpaca supports millions of brokerage accounts and has several hundred client partnerships in dozens of countries. The company holds several licenses with financial regulators including the United States Securities and Exchange Commission (SEC), Financial Industry Regulatory Authority (FINRA), Money Services Business (MSB), Securities Commission of the Bahamas, and Japan Securities Dealers Association (JSDA).[27][1][31]

Products

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Alpaca's business model has several revenue streams including payment for order flow, commission fees, margin interest, cash management spreads, and API usage fees from enterprise clients.[32]

Alpaca's documentation lists five APIs for developers to interact with their platform and their GitHub site provides SDKs for a number of programming languages.[33][34]

The platform's underlying Order Management System (OMS), is said to handle order processing transactions in milliseconds.[35][36]

References

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