# Mailgun

Mailgun is an email delivery platform that lets applications send, receive and track email through a RESTful API and SMTP relays. Its products cover sending (Mailgun Send), deliverability testing and monitoring with email validation (Mailgun Optimize), and pre-send previews and quality assurance (Mailgun Inspect). Mailgun was founded in 2010 and has been owned by Sinch since 2021.

Page: https://slateindex.ai/brand/mailgun · data of 2026-11-02

## Facts

- Founded: 2010
- Employees: 201–500
- Company type: Division of Sinch
- Latest funding: Growth investment (Thoma Bravo)
- Deployment: Cloud, hosted in US and EU regions
- Best for: Developers and engineering teams that need to send transactional and marketing email through an API
- Compliance: SOC 2 Type II, ISO/IEC 27001, ISO 27701, GDPR compliant, HIPAA compliant, PCI-compliant SAQ-A merchant

## Products

- Mailgun Send: Email sending service with RESTful API, SMTP relay, inbound routing and analytics.
- Mailgun Optimize: Email deliverability suite with validation, inbox placement testing and reputation monitoring.
- Mailgun Inspect: Email quality assurance suite with previews, code analysis and accessibility checks.
- Deliverability Services: Managed deliverability expertise with a dedicated Technical Account Manager.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| Email Marketing | 36 of 55 | 0.9 | 1 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 2.6 | 3.7% |
| google_ai_mode | 0.0 | 0.0% |
| perplexity | 0.0 | 0.0% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “Mailgun AI visibility profile”, https://slateindex.ai/brand/mailgun, data of 2026-11-02. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).