Email APIs · side by side
MailerSend vs Mandrill
Compare MailerSend, Mandrill by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
MailerSend
Custom / not listed
No priced plan for this volume · 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 | MailerSend | Mandrill |
|---|---|---|
| Provider | MailerLite | Mailchimp |
| Billing unit | emails | emails |
| Plan at selected usage | No priced plan for this volume | Transactional Email |
| Monthly estimate | Custom / not listed | $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 | Free, Hobby, Starter, Professional, Enterprise | Try for free, Transactional Email |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- MailerSend
- MailerLite
- Mandrill
- Mailchimp
Billing unit
- MailerSend
- emails
- Mandrill
- emails
Plan at selected usage
- MailerSend
- No priced plan for this volume
- Mandrill
- Transactional Email
Monthly estimate
- MailerSend
- Custom / not listed
- Mandrill
- $80/mo
Workload
- MailerSend
- 100K emails
- Mandrill
- 100K emails
Free access
- MailerSend
- Limited free plan
- Mandrill
- Up to 500 free demo/test email sends to a verified domain for new users.
Published plans
- MailerSend
- Free, Hobby, Starter, Professional, Enterprise
- Mandrill
- Try for free, Transactional Email
Prices checked
- MailerSend
- 2026-10-08
- Mandrill
- 2026-10-08
Email APIs monthly cost
MailerSend: Not pricedMandrill: $80
Cost by emails
Cost curve data
| emails | MailerSend | Mandrill |
|---|---|---|
| 0 | $0 | $0 |
| 25K | Not priced | $20 |
| 50K | Not priced | $40 |
| 100K | Not priced | $80 |
| 200K | Not priced | $160 |
| 500K | Not priced | $400 |
| 1M | Not priced | $800 |
0
- MailerSend
- $0
- Mandrill
- $0
25K
- MailerSend
- Not priced
- Mandrill
- $20
50K
- MailerSend
- Not priced
- Mandrill
- $40
100K
- MailerSend
- Not priced
- Mandrill
- $80
200K
- MailerSend
- Not priced
- Mandrill
- $160
500K
- MailerSend
- Not priced
- Mandrill
- $400
1M
- MailerSend
- Not priced
- Mandrill
- $800
Which email providers fit your needs?
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