Mailgun vs SparkPost
Mailgun vs SparkPost, compared side by side on 15 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 SparkPost on 63/100.
Where each one leads
Mailgun
Leads on none of the measures we hold for both companies.
SparkPost
- our overall score: 63/100 against 55/100
- agent readiness: 50/100 against 41/100
- headcount: 324 against 194
At a glance
| Measure | Mailgun | SparkPost |
|---|---|---|
| What it is | Developer-focused email API and deliverability platform for sending, receiving, and tracking emails. | Cloud-native email delivery and intelligence platform for developers and enterprises. |
| Category | SaaS, Email Marketing, Developer Tools | Email Delivery, Marketing Automation, Customer Engagement, API Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2010 | 2008 |
| Headquarters | San Antonio, United States | Columbia, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mailgun | SparkPost |
|---|---|---|
| Employees | 194 | 324 |
| Total funding | $50.0M | Not published |
| Latest round | Series B | Not published |
| LinkedIn followers | Not published | 70,336 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mailgun | SparkPost |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 63/100 |
| Traction | 58/100 | Not published |
| Team | 30/100 | Not published |
| Search visibility | 14/100 | 6/100 |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 81/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mailgun | SparkPost |
|---|---|---|
| Hosting | Not detected | AWS |
| CDN | Cloudflare | CloudFront |
| CMS | WordPress | Not detected |
| Frameworks | Jquery, Tailwind CSS, Bootstrap | Next.js, Tailwind CSS |
| Analytics | Not detected | Segment |
| Support stack | Zendesk | Not detected |
| Open source | Yes | No |
Mailgun vs SparkPost: common questions
Which is better, Mailgun or SparkPost?
On our 0-100 score SparkPost rates higher (63/100 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 15 data points above: read the rows that match what you are buying for.
How do Mailgun and SparkPost compare on the numbers?
SparkPost leads on our overall score (63/100 against 55/100), agent readiness (50/100 against 41/100), headcount (324 against 194).
Read the full Mailgun review and pricing or the SparkPost review and pricing. You can also browse other Mailgun alternatives we track.