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Alpaca (YC W19) — API-first stock and crypto brokerage platform

Alpaca is an API infrastructure and licensed financial services company that allows developers and businesses to offer stock and crypto investing to their end-customers. We work with more than 100 companies across the globe to enable their investing products, and our mission is to provide financial services to everyone on the planet.

Alpaca is a Y Combinator company in the Winter 2019 batch. Its directory entry describes it as: API-first stock and crypto brokerage platform. The founders listed are Yoshi Yokokawa (Founder/CEO), Hitoshi Harada (Founder/CTO) (Y Combinator directory entry, November 9, 2018).

6 more companies from YC Winter 2019 ↓

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Alpaca

New accelerator entry · 2018-11-09 · the record

Winter 2019
batch
150
people
Growth
stage
United States of America
region
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What the record says

BatchWinter 2019
Announced2018-11-09
StageGrowth
StatusActive
Team size150
IndustryFintech
Sub-industryFintech -> Banking and Exchange
SectorsDeveloper Tools, Fintech, API, Investing, Infrastructure
RegionsUnited States of America, America / Canada, Remote, Fully Remote
BasedSan Francisco
HiringYes
Sitehttps://alpaca.markets/
Founded2015

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In their words

Alpaca is an API infrastructure and licensed financial services company that allows developers and businesses to offer stock and crypto investing to their end-customers. We work with more than 100 companies across the globe to enable their investing products, and our mission is to provide financial services to everyone on the planet. Alpaca’s globally distributed team consists of developers, traders, and brokerage business specialists and backed by a group of well-capitalized investors including Portage Ventures, Spark Capital, Tribe Capital, Unbound, Social Leverage, Horizons Ventures, Y Combinator as well as highly experienced industry angel investors and founders. We are also very tech-enthusiastic with notable track records in open-source and startup communities.

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Alpaca: Accepted into Y Combinator Winter 2019
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Permanent URL: https://mentionfox.com/funding/yc-alpaca
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Alpaca (YC W19) — API-first stock and crypto brokerage platform. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-alpaca