MentionFox
Home › funding signals › Mailgun
Accelerator · announced

Mailgun (YC W11) — Email API service

Mailgun is a developer-focused email delivery platform that empowers companies to send, receive, and track transactional and marketing emails through an API. In February 2017, Mailgun spun back out as a standalone business focused on building best-in-class email deliverability solutions.

Mailgun is a Y Combinator company in the Winter 2011 batch. Its directory entry describes it as: Email API service. The founders listed are Ev Kontsevoy (Founder/CEO), Taylor Wakefield (Founder) (Y Combinator directory entry, January 17, 2012).

6 more companies from YC Winter 2011 ↓

Run the free check on Mailgun →

Sell to companies like Mailgun? Enter your website and see 10 with a filed reason to buy from you this month. Free.

Opens in a new tab. No signup.

Mailgun

New accelerator entry · 2012-01-17 · the record

Winter 2011
batch
51
people
Early
stage
United States of America
region
Open the record →

What the record says

BatchWinter 2011
Announced2012-01-17
StageEarly
StatusAcquired
Team size51
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsAPI, Email
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttp://mailgun.net

Pitching, partnering or investing alongside them? See who really runs and owns Mailgun.

Free to see. No signup.

Keep reading

More on Mailgun and the records around it.

Also in YC Winter 2011

Same batch, B2B first.

What do you want to do with Mailgun?

Get the full cited report on Mailgun

Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

A Full Report on Mailgun: verified, sourced, every claim cited, ready in a few minutes. See pricing.

See a sample report

In their words

Mailgun is a developer-focused email delivery platform that empowers companies to send, receive, and track transactional and marketing emails through an API. In February 2017, Mailgun spun back out as a standalone business focused on building best-in-class email deliverability solutions. We are headquartered in San Antonio with remote teams in San Francisco and Austin. Customers like Slack, Lyft, Github, and Reddit rely on Mailgun to deliver email to their customers.

Want the whole picture on Mailgun?

Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

A Full Report on Mailgun: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Mailgun covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

Plus the sections for what you are deciding, which you pick after ordering.

See a sample report

First screen of a real sample Full Report on EchoStar: the verdict, 17 sections, 63 cited sources, built 2026-10-21A real finished report, first screen. Opens in a new tab.

The full profile

Checking your access…

Is this you?

If you're behind Mailgun: acceptance into a YC batch is one of the few weeks a young company gets looked up by people who matter — investors, other founders, press. FoxPlug turns the commits, deploys, and releases you're already making into that story automatically, so anyone who looks finds something current. GetFoxChat puts a guide on your own site so the people YC's own page just sent you don't read one line and leave.

Sourced from the company's Y Combinator directory entry.

RSS

Tools for this story

Each opens in a new tab, filled in for Mailgun. With no account yet, you sign up free and land on the result.

On these startup lists

Developer tools startups Sales and marketing startups

Share this page

Is this your company?

Share the news. Sharing needs no account.

Mailgun: Accepted into Y Combinator Winter 2011
Share on LinkedIn Share on X Download image

Cite this page

Permanent URL: https://mentionfox.com/funding/yc-mailgun
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Mailgun (YC W11) — Email API service. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-mailgun