Email APIs · side by side
Mailtrap vs Mandrill
Compare Mailtrap, Mandrill by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
Mailtrap
$85 / mo
Email API/SMTP - Business · 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 | Mailtrap | Mandrill |
|---|---|---|
| Provider | Railsware | Mailchimp |
| Billing unit | emails | emails |
| Plan at selected usage | Email API/SMTP - Business | Transactional Email |
| Monthly estimate | $85/mo | $80/mo |
| Workload | 100K emails | 100K emails |
| Free access | Limited free plan | Up to 500 free demo/test email sends to a verified domain for new users. |
| Published plans | Email API/SMTP - Free, Email Sandbox - Free, Email Marketing - Free, Email API/SMTP - Basic, Email Marketing - Essential, Email Sandbox - Basic, Email Sandbox - Team, Email Marketing - Pro, Email API/SMTP - Business, Email Sandbox - Business, Email Sandbox - Enterprise, Email API/SMTP - Enterprise | Try for free, Transactional Email |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Mailtrap
- Railsware
- Mandrill
- Mailchimp
Billing unit
- Mailtrap
- emails
- Mandrill
- emails
Plan at selected usage
- Mailtrap
- Email API/SMTP - Business
- Mandrill
- Transactional Email
Monthly estimate
- Mailtrap
- $85/mo
- Mandrill
- $80/mo
Workload
- Mailtrap
- 100K emails
- Mandrill
- 100K emails
Free access
- Mailtrap
- Limited free plan
- Mandrill
- Up to 500 free demo/test email sends to a verified domain for new users.
Published plans
- Mailtrap
- Email API/SMTP - Free, Email Sandbox - Free, Email Marketing - Free, Email API/SMTP - Basic, Email Marketing - Essential, Email Sandbox - Basic, Email Sandbox - Team, Email Marketing - Pro, Email API/SMTP - Business, Email Sandbox - Business, Email Sandbox - Enterprise, Email API/SMTP - Enterprise
- Mandrill
- Try for free, Transactional Email
Prices checked
- Mailtrap
- 2026-10-08
- Mandrill
- 2026-10-08
Email APIs monthly cost
Mailtrap: $85Mandrill: $80
Cost by emails
Cost curve data
| emails | Mailtrap | Mandrill |
|---|---|---|
| 0 | $498 | $0 |
| 25K | $15 | $20 |
| 50K | $123 | $40 |
| 100K | $85 | $80 |
| 200K | $750 | $160 |
| 500K | $750 | $400 |
| 1M | $750 | $800 |
0
- Mailtrap
- $498
- Mandrill
- $0
25K
- Mailtrap
- $15
- Mandrill
- $20
50K
- Mailtrap
- $123
- Mandrill
- $40
100K
- Mailtrap
- $85
- Mandrill
- $80
200K
- Mailtrap
- $750
- Mandrill
- $160
500K
- Mailtrap
- $750
- Mandrill
- $400
1M
- Mailtrap
- $750
- Mandrill
- $800
Which email providers fit your needs?
Mailtrap features & plan notes
- Email sandbox
- Sending API
- Detailed logs
- 100,000 emails ($85/mo), 250,000 emails ($200/mo), 500,000 emails ($300/mo), or 750,000 emails ($450/mo)
- 100 users
- 15 days of email logs
- 100 domains
- Dedicated IP
- Extra emails: $0,88 per 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