{"changes":[{"companyHref":"/c/alpaca-markets","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/alpaca","domain":"alpaca.markets","fact":"provenance:existence","name":"Alpaca","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/alpaca"},"old":{"publisher":"alpaca.markets","status":"self-reported","url":"https://alpaca.markets"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"alpaca-markets","status":"sourced","url":"https://whoraisedwhat.com/c/alpaca-markets"}],"country":"US","description":"Alpaca provides APIs for stock, options, and crypto trading so developers and businesses can build trading apps or embed investing. It serves algorithmic traders, fintech startups, and institutions seeking commission-free trading. Differentiator: FINRA-regulated self-clearing with SIPC protection and full API access.","domain":"alpaca.markets","employees":null,"founded":2015,"fundingTotalQuarantined":false,"githubOrg":"alpacahq","githubStars":1875,"industry":"fintech","investors":[],"lat":37.496904,"lng":-122.333057,"location":"San Mateo, USA","name":"Alpaca","rounds":[{"amountQuarantined":false,"amountUsd":150000000,"currency":"USD","date":"2026-01-15","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"techcrunch","retrievedAt":"2026-09-25","status":"attributed","url":null},"status":"attributed","type":"series-d+","url":null}],"slug":"alpaca-markets","sources":[{"fact":"round","publisher":"techcrunch","retrievedAt":"2026-09-25","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/alpaca"},{"fact":"description","publisher":"alpaca.markets","retrievedAt":"2026-09-25","status":"self-reported","url":"https://alpaca.markets"}],"stage":"series-b+","techStack":["Cloudflare","Linkedin Ads","Linkedin Insight Tag","Google Analytics","Google Tag Manager","Paper.js","DoubleClick Floodlight","HubSpot","WordPress","Python","PHP","MySQL"],"totalRaisedUsd":340000000,"updatedAt":"2026-09-25"}