Nylas
Nylas is an American software company based in San Francisco that provides APIs for email, calendar, and contacts integration. Christine Spang and Gleb Polyakov founded the company in 2013.[1]
History
The company was originally called Inbox and went through a name change to Nilas before adopting its current name.[2] Its first product, Nylas Mail, was an open-source desktop email client built on Electron. The email client was later discontinued.
In August 2018, Spark Capital led a $16 million Series B round.[1] The company raised another $25 million in June 2020 in a round co-led by 8VC and Round13 Capital, which put total funding at $55 million.[3]
A $120 million Series C followed in June 2021. Tiger Global Management led the round, and Citi Ventures, the Slack Fund, 8VC, and Round13 Capital participated. Individual investors included Stripe co-founders Patrick Collison and John Collison and Klarna CEO Sebastian Siemiatkowski.[4][5] After the Series C, total funding stood at roughly $175 million. As of 2021[update], TechCrunch reported more than 80,000 developers on the platform and daily API traffic of 1.2 billion requests.[4]
Products
Nylas sells a RESTful API that connects to Gmail, Microsoft Outlook, Exchange, Yahoo! Mail, iCloud Mail, and IMAP mail servers. The API handles reading and sending email, calendar events, and contact records.[4][6]
In 2025, the company released Nylas CLI, a command-line tool published as open-source software under the MIT License.[7]
References
- ↑ 1.0 1.1 "Nylas scores $16M Series B to expand email API tool". TechCrunch. August 22, 2018. Retrieved March 21, 2026.
- ↑ "Next-Gen Email Platform Nilas (Previously Inbox) Grabs $8 Million, Preps Its Own Email Client". TechCrunch. January 27, 2015. Retrieved March 21, 2026.
- ↑ "Nylas nabs $25 million as the API economy explodes". VentureBeat. June 23, 2020. Retrieved March 21, 2026.
- ↑ 4.0 4.1 4.2 "Nylas, maker of APIs to integrate email and other productivity tools, raises $120M, passes 80K developers". TechCrunch. June 17, 2021. Retrieved March 21, 2026.
- ↑ "Productivity API and automation platform Nylas raises $120 million". VentureBeat. June 17, 2021. Retrieved March 21, 2026.
- ↑ "The Four Foundational Components Of API Innovation". Forbes. March 22, 2024. Retrieved March 21, 2026.
- ↑ "nylas/cli". GitHub. Retrieved March 21, 2026.
External links
Category:Companies established in 2013 Category:Software companies based in San Francisco Category:Application programming interfaces Category:Email Category:Cloud computing providers
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