Email APIs · side by side
Mailgun vs Mandrill
Compare Mailgun, Mandrill by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
Mailgun
$90 / mo
Scale · 100K emails
Mandrill
$80 / mo
Transactional Email · 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 | Mandrill |
|---|---|---|
| Provider | Sinch | Mailchimp |
| Billing unit | emails | emails |
| Plan at selected usage | Scale | Transactional Email |
| Monthly estimate | $90/mo | $80/mo |
| Workload | 100K emails | 100K emails |
| Free access | 100 emails/day | Up to 500 free demo/test email sends to a verified domain for new users. |
| Published plans | Free, Basic, Foundation, Scale | Try for free, Transactional Email |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Mailgun
- Sinch
- Mandrill
- Mailchimp
Billing unit
- Mailgun
- emails
- Mandrill
- emails
Plan at selected usage
- Mailgun
- Scale
- Mandrill
- Transactional Email
Monthly estimate
- Mailgun
- $90/mo
- Mandrill
- $80/mo
Workload
- Mailgun
- 100K emails
- Mandrill
- 100K emails
Free access
- Mailgun
- 100 emails/day
- Mandrill
- Up to 500 free demo/test email sends to a verified domain for new users.
Published plans
- Mailgun
- Free, Basic, Foundation, Scale
- Mandrill
- Try for free, Transactional Email
Prices checked
- Mailgun
- 2026-10-08
- Mandrill
- 2026-10-08
Email APIs monthly cost
Mailgun: $90Mandrill: $80
Cost by emails
Cost curve data
| emails | Mailgun | Mandrill |
|---|---|---|
| 0 | $0 | $0 |
| 25K | $35 | $20 |
| 50K | $35 | $40 |
| 100K | $90 | $80 |
| 200K | $200 | $160 |
| 500K | $530 | $400 |
| 1M | $1,080 | $800 |
0
- Mailgun
- $0
- Mandrill
- $0
25K
- Mailgun
- $35
- Mandrill
- $20
50K
- Mailgun
- $35
- Mandrill
- $40
100K
- Mailgun
- $90
- Mandrill
- $80
200K
- Mailgun
- $200
- Mandrill
- $160
500K
- Mailgun
- $530
- Mandrill
- $400
1M
- Mailgun
- $1,080
- Mandrill
- $800
Email APIs feature comparison
| Email APIs | Mailgun | Mandrill |
|---|---|---|
| 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
- Mandrill
- Not listed
Log retention
- Mailgun
- 30 days
- Mandrill
- Not listed
Message retention
- Mailgun
- Up to 7 days
- Mandrill
- Not listed
Inbound routes
- Mailgun
- Full access
- Mandrill
- Not listed
Email validations
- Mailgun
- 5,000 included
- Mandrill
- Not listed
SAML SSO
- Mailgun
- Mandrill
- Not listed
Phone & chat support
- Mailgun
- Mandrill
- 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
Mandrill features & plan notes
- Send transactional emails via REST API or SMTP credentials
- Sold in blocks of 25,000 emails with volume discounts from $20 down to $10 per block
- Inbound email processing and real-time event webhooks
- Custom domain whitelabeling, dedicated IPs, and rules engine
- Credits sold in blocks of 25,000 emails
- 99% delivery reach in less than a second
- Streamlined template editing with drag and drop builder
- SDK repositories, API docs, webhooks, and MCP server integration
- Real-time send calculations with auto-recharge or low-credit alerts
- Trigger transactional email and SMS messages from a single API
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