WorkOS provides APIs and SDKs that help developers add enterprise features to applications.
Founded in 2019, WorkOS offers APIs and SDKs for features such as single sign-on, directory sync, SCIM provisioning and HRIS integration. Its platform supports more than 20 enterprise services and is sold on a subscription basis. The company is based in San Francisco, US, and was founded by Michael Grinich. In March 2026, it raised USD 100 million in Series C funding co-led by Meritech Capital Partners and Sapphire Ventures, with participation from Craft Ventures, Audacious Ventures, Abstract Ventures and Greenoaks Capital.
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