Email APIs · side by side
Mailgun vs SMTP2GO
Compare Mailgun, SMTP2GO by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
Mailgun
$90 / mo
Scale · 100K emails
SMTP2GO
$75 / mo
Professional · 100K emails
Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.
Email APIs overview & pricing
| Email APIs | Mailgun | SMTP2GO |
|---|---|---|
| Provider | Sinch | SMTP2GO |
| Billing unit | emails | emails |
| Plan at selected usage | Scale | Professional |
| Monthly estimate | $90/mo | $75/mo |
| Workload | 100K emails | 100K emails |
| Free access | 100 emails/day | 1,000 emails/month (capped at 200 emails/day), 5 days of reporting, ticket support, and no credit card required. |
| Published plans | Free, Basic, Foundation, Scale | Free, Starter, Professional, Premier |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Mailgun
- Sinch
- SMTP2GO
- SMTP2GO
Billing unit
- Mailgun
- emails
- SMTP2GO
- emails
Plan at selected usage
- Mailgun
- Scale
- SMTP2GO
- Professional
Monthly estimate
- Mailgun
- $90/mo
- SMTP2GO
- $75/mo
Workload
- Mailgun
- 100K emails
- SMTP2GO
- 100K emails
Free access
- Mailgun
- 100 emails/day
- SMTP2GO
- 1,000 emails/month (capped at 200 emails/day), 5 days of reporting, ticket support, and no credit card required.
Published plans
- Mailgun
- Free, Basic, Foundation, Scale
- SMTP2GO
- Free, Starter, Professional, Premier
Prices checked
- Mailgun
- 2026-10-08
- SMTP2GO
- 2026-10-08
Email APIs monthly cost
Mailgun: $90SMTP2GO: $75
Cost by emails
Cost curve data
| emails | Mailgun | SMTP2GO |
|---|---|---|
| 0 | $0 | $0 |
| 25K | $35 | $75 |
| 50K | $35 | $75 |
| 100K | $90 | $75 |
| 200K | $200 | $160 |
| 500K | $530 | $415 |
| 1M | $1,080 | $840 |
0
- Mailgun
- $0
- SMTP2GO
- $0
25K
- Mailgun
- $35
- SMTP2GO
- $75
50K
- Mailgun
- $35
- SMTP2GO
- $75
100K
- Mailgun
- $90
- SMTP2GO
- $75
200K
- Mailgun
- $200
- SMTP2GO
- $160
500K
- Mailgun
- $530
- SMTP2GO
- $415
1M
- Mailgun
- $1,080
- SMTP2GO
- $840
Email APIs feature comparison
| Email APIs | Mailgun | SMTP2GO |
|---|---|---|
| Custom sending domains | 1,000 | Not listed |
| Log retention | 30 days | Not listed |
| Message retention | Up to 7 days | Not listed |
| Inbound routes | Full access | Not listed |
| Email validations | 5,000 included | Not listed |
| SAML SSO | Not listed | |
| Phone & chat support | Not listed |
Custom sending domains
- Mailgun
- 1,000
- SMTP2GO
- Not listed
Log retention
- Mailgun
- 30 days
- SMTP2GO
- Not listed
Message retention
- Mailgun
- Up to 7 days
- SMTP2GO
- Not listed
Inbound routes
- Mailgun
- Full access
- SMTP2GO
- Not listed
Email validations
- Mailgun
- 5,000 included
- SMTP2GO
- Not listed
SAML SSO
- Mailgun
- SMTP2GO
- Not listed
Phone & chat support
- Mailgun
- SMTP2GO
- Not listed
Which email providers fit your needs?
Mailgun features & plan notes
- Email validation
- Inbound routing
- EU region
- SAML SSO
- 5,000 email validations
- Dedicated IP pools
- 30 days log retention
- Extra emails from $1.10 / 1,000
SMTP2GO features & plan notes
- SMTP relay and RESTful API integration with global data centers
- Real-time analytics and tracking for delivery, opens, clicks, bounces, and spam complaints
- Email overage support allowing sending up to 3x plan limits on paid tiers
- Subaccount management and unlimited team members on all paid plans
- Dedicated IP included on Professional plans starting at 100,000 emails/month
- 100,000 emails/mo
- 30 days of email reporting
- Ticket/chat/phone support
- Subaccount management
- Dedicated IP address
- Email testing tools
- SMS messaging
- Extra emails: $0.85 / thousand
How to compare email providers
Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.
Browse Email APIs pricing