Mailgun vs Resend
Mailgun vs Resend, compared side by side on 20 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: Mailgun is on 55/100 and Resend on 65/100.
Where each one leads
Mailgun
- headcount: 194 against 72
- funding raised: $50.0M against $21.0M
Resend
- our overall score: 65/100 against 55/100
- agent readiness: 84/100 against 41/100
At a glance
| Measure | Mailgun | Resend |
|---|---|---|
| What it is | Developer-focused email API and deliverability platform for sending, receiving, and tracking emails. | Developer-friendly email API for transactional and marketing emails at scale. |
| Category | SaaS, Email Marketing, Developer Tools | Developer Tools, API Platform, Email API, MarTech |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2010 | 2022 |
| Headquarters | San Antonio, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mailgun | Resend |
|---|---|---|
| Employees | 194 | 72 |
| Total funding | $50.0M | $21.0M |
| Latest round | Series B | Series A |
| LinkedIn followers | Not published | 19,032 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mailgun | Resend |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 65/100 |
| Traction | 58/100 | 55/100 |
| Team | 30/100 | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 14/100 | 57/100 |
| Quality | 68/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | A (84/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 90/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mailgun | Resend |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Tailwind CSS, Bootstrap | Next.js, Tailwind CSS |
| Payments | Not detected | Stripe |
| Analytics | Not detected | PostHog |
| Support stack | Zendesk | Not detected |
| Open source | Yes | Yes |
Mailgun vs Resend: common questions
Which is better, Mailgun or Resend?
On our 0-100 score Resend rates higher (65/100 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 20 data points above: read the rows that match what you are buying for.
How do Mailgun and Resend compare on the numbers?
Mailgun leads on headcount (194 against 72), funding raised ($50.0M against $21.0M). Resend leads on our overall score (65/100 against 55/100), agent readiness (84/100 against 41/100).
Read the full Mailgun review and pricing or the Resend review and pricing. You can also browse other Mailgun alternatives we track.