Nylas (API) — Funding, Investors & Signals 2026

Nylas

Drive more meaningful and impactful customer interactions and experiences through simplified email and calendar APIs.

Founded 2014

San Francisco, United States 141 employees Series C Total: $175.00M API, Marketing

Nylas, a United States-based startup founded in 2013, has attracted significant attention with its innovative approach to simplifying email and calendar APIs. The company's slogan, "Drive more meaningful and impactful customer interactions and experiences through simplified email and calendar APIs," encapsulates its mission to empower developers globally. Nylas has gained traction by offering state-of-the-art APIs that enable hundreds of thousands of developers to enhance their efficiency and create customizable email and scheduling features. Notably, Nylas stands out as the sole platform providing developers with universal access to email, calendar, and contacts providers through a single integration. The company recently secured a substantial $120.00M Series C investment on 17 June 2021, attracting a noteworthy group of investors including Slack Fund, Round13 Capital, Scale-Up Ventures, Stereo Capital, SAV (Scale Asia Ventures), Owl Rock Capital, Tony Fadell, Sebastian Siemiatkowski, John Collison, and Founders.ai. This latest investment reflects the confidence of the investor community in Nylas' potential for growth and impact within the API and Marketing industries. Nylas' continued innovation and strategic positioning may prove to be attractive for venture capitalists seeking opportunities in the rapidly evolving realm of digital communication and connectivity.

Funding Stage	Amount	Investors	Lead Investors	Date
Series C	$120.00M	10	Slack Fund, Round13 Capital +8	17 Jun 2021
Series B	$25.00M	9	8VC, Citi Ventures +7	23 Jun 2020
Series B	$16.00M	8	8VC, Industry Ventures +6	22 Aug 2018
Series A	$4.00M	5	8VC, Great Oaks +3	20 Dec 2017
Series A	$8.00M	9	DCVC, Formation 8 +7	27 Jan 2015
Seed Round	$2.00M	1	Betaworks	07 Jul 2014
Seed Round	Undisclosed	1	SV Angel	20 Nov 2013

Funding Stage

Amount

Investors

Lead Investors

Date

Series C

$120.00M

Slack Fund, Round13 Capital +8

17 Jun 2021

Series B

$25.00M

8VC, Citi Ventures +7

23 Jun 2020

Series B

$16.00M

8VC, Industry Ventures +6

22 Aug 2018

Series A

$4.00M

8VC, Great Oaks +3

20 Dec 2017

Series A

$8.00M

DCVC, Formation 8 +7

27 Jan 2015

Seed Round

$2.00M

Betaworks

07 Jul 2014

Seed Round

Undisclosed

SV Angel

20 Nov 2013

FAQ About Nylas

Drive more meaningful and impactful customer interactions and experiences through simplified email and calendar APIs.

Nylas was founded in 2014.

Nylas is headquartered in San Francisco, United States.

Nylas operates in API and Marketing. Its work centres on Communication Platform-as-a-Service, API Integration, Email Automation and Scheduling.

Nylas has approximately 141 employees.

Nylas has completed 7 funding rounds, raising a total of $175.00M. The latest funding stage is Series C.

Top alternatives and competitors to Nylas include Resend, Intrinio, Autocus, ShuttleCloud Corp., Maxbot. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.

Nylas and Resend are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Nylas

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Funding Rounds & Investors (7)

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