Mailgun

API for transactional email campaigns

placeSan Francisco, California, United States calendar_todayFounded 2010 groups52 employees language mailgun.com

Registered entities

Reputation

Customer rating 4.1 / 5 across 1,498 reviews.

Social engagement

Social engagement: 32.5K social following, 9 posts in the last 12 months — below the industry typical range.

Investor mix

11 investors on record; lead investors include Turn/River, Zillionize, Y Combinator.

Investor typeCountShare
Venture capital764%
Other / undisclosed436%

Recent activity

16 Jun 2026
Event
Email Still Worth the Investment?
15 Jun 2026
Event
Email Marketing Session
Coming soon