Tesseral

Tesseral is the open source authentication infrastructure for B2B software companies. It simplifies authentication by eliminating complexities, empowering developers to focus on building core product features while ensuring a world-class security posture.

Funding Round: Seed

Funding Amount: $3.3M

Date: 06-May-2025

Investors: Y Combinator, Jessica Livingston, Paul Graham, Calvin French-Owen, Steve Bartel, Nick Bushak, Mike Wiacek

Markets: B2B Software, Authentication, Cloud Security, Cyber Security, Developer APIs, Developer Platform, Developer Tools, Enterprise Software, Identity Management, Infrastructure, Open Source, Software

HQ: San Francisco, California, United States

Founded: 2023

Website: https://tesseral.com/

LinkedIn: https://www.linkedin.com/company/tesseral

Twitter: https://twitter.com/TesseralHQ

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Crunchbase: https://www.crunchbase.com/organization/okapi-985d

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