AgentMail vs Mailgun
AgentMail vs Mailgun, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: AgentMail is on 57/100 and Mailgun on 55/100.
Where each one leads
AgentMail
- agent readiness: 80/100 against 41/100
Mailgun
- domain rating: 86/100 against 65/100
- headcount: 194 against 8
- funding raised: $50.0M against $7.5M
At a glance
| Measure | AgentMail | Mailgun |
|---|---|---|
| What it is | API-first email infrastructure for AI agents, offering dedicated inboxes and overcoming traditional provider limitations. | Developer-focused email API and deliverability platform for sending, receiving, and tracking emails. |
| Category | Agentic AI, AI Agent, API Platform, Email Infrastructure | SaaS, Email Marketing, Developer Tools |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2023 | 2010 |
| Headquarters | San Francisco, United States | San Antonio, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | AgentMail | Mailgun |
|---|---|---|
| Employees | 8 | 194 |
| Headcount growthLast 12 months | +96.8% | Not published |
| Total funding | $7.5M | $50.0M |
| Latest round | Seed | Series B |
| LinkedIn followers | 6,005 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | AgentMail | Mailgun |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 55/100 |
| Traction | 44/100 | 58/100 |
| Team | 70/100 | 30/100 |
| Community | 8/100 | Not published |
| Search visibility | 55/100 | 14/100 |
| Quality | 58/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | A (80/100) | D (41/100) |
| Domain ratingLink authority, 0-100 | 65/100 | 86/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | AgentMail | Mailgun |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Ghost | WordPress |
| Frameworks | Next.js, Tailwind CSS | Jquery, Tailwind CSS, Bootstrap |
| Analytics | Google Analytics 4, Google Tag Manager | Not detected |
| Open source | Yes | Yes |
Product and pricing
| Measure | AgentMail | Mailgun |
|---|---|---|
| Key features | Automated Inbox Creation, Usage-Based Pricing, Real-time Event Webhooks, Developer-First API, Semantic Search & Data Extraction | Not published |
What users say
| Measure | AgentMail | Mailgun |
|---|---|---|
| Reddit sentimentThreads we track | 4 positive, 1 negative across 6 threads | Not published |
“Hey everyone! I'm a founder of AgentMail a YCS25 company that gives AI agents their own email inboxes. Recently we ran an experiment: agent(.)email - a landing page and signup flow designed for AI agents instead of humans.”r/AI_Agents
AgentMail vs Mailgun: common questions
Which is better, AgentMail or Mailgun?
On our 0-100 score AgentMail rates higher (57/100 against 55/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do AgentMail and Mailgun compare on the numbers?
AgentMail leads on agent readiness (80/100 against 41/100). Mailgun leads on domain rating (86/100 against 65/100), headcount (194 against 8), funding raised ($50.0M against $7.5M).
What do real users say about AgentMail and Mailgun?
AgentMail: 4 positive and 1 negative mentions across 6 Reddit threads we track, mostly in r/AI_Agents.
Read the full AgentMail review and pricing or the Mailgun review and pricing. You can also browse other AgentMail alternatives we track.

