Email APIs · side by side
Inboxroad vs Mandrill
Compare Inboxroad, Mandrill by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
0
Inboxroad
Custom / not listed
No priced plan for this volume · 0 emails
Mandrill
$0 / mo
Try for free · 0 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 | Inboxroad | Mandrill |
|---|---|---|
| Provider | Inboxroad B.V. | Mailchimp |
| Billing unit | emails | emails |
| Plan at selected usage | No priced plan for this volume | Try for free |
| Monthly estimate | Custom / not listed | $0/mo |
| Workload | 0 emails | 0 emails |
| Free access | 1,000 free emails per month | Up to 500 free demo/test email sends to a verified domain for new users. |
| Published plans | SMTP, Email, Email Pro | Try for free, Transactional Email |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Inboxroad
- Inboxroad B.V.
- Mandrill
- Mailchimp
Billing unit
- Inboxroad
- emails
- Mandrill
- emails
Plan at selected usage
- Inboxroad
- No priced plan for this volume
- Mandrill
- Try for free
Monthly estimate
- Inboxroad
- Custom / not listed
- Mandrill
- $0/mo
Workload
- Inboxroad
- 0 emails
- Mandrill
- 0 emails
Free access
- Inboxroad
- 1,000 free emails per month
- Mandrill
- Up to 500 free demo/test email sends to a verified domain for new users.
Published plans
- Inboxroad
- SMTP, Email, Email Pro
- Mandrill
- Try for free, Transactional Email
Prices checked
- Inboxroad
- 2026-10-08
- Mandrill
- 2026-10-08
Email APIs monthly cost
Inboxroad: Not pricedMandrill: $0
Cost by emails
Cost curve data
| emails | Inboxroad | Mandrill |
|---|---|---|
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
| 0 | Not priced | $0 |
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
0
- Inboxroad
- Not priced
- Mandrill
- $0
Which email providers fit your needs?
Inboxroad features & plan notes
- SMTP relay and REST APIs for marketing and transactional emails
- Dedicated IP addresses with automated IP warm-up schedules
- Per-ISP send-rate controls and integrated Feedback Loops (FBLs)
- Drag-and-drop campaign email builder and HTML editor
- Real-time event webhooks and delivery monitoring
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
- Up to 500 free email sends to your verified domain
- Streamlined template editing with drag and drop builder
- Developer documentation, guides, and SDK repositories
- Connect AI coding assistant directly through first-party MCP server
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 pricingInboxroad vs Mandrill — FAQ
Inboxroad: custom or unlisted usage pricing at 0 emails. Mandrill: $0/month on Try for free at 0 emails. Different billing units are not an equal-workload comparison. Estimates exclude unlisted add-ons and taxes.
Review SMTP or API integration, domain authentication, bounce and complaint events, suppression handling and delivery-log retention.
Only when the published plan actually bills by sends. Contacts, subscribers and inboxes stay in their own billing units.
SMTP relay and REST APIs for marketing and transactional emails, Dedicated IP addresses with automated IP warm-up schedules, Per-ISP send-rate controls and integrated Feedback Loops (FBLs), Drag-and-drop campaign email builder and HTML editor, Real-time event webhooks and delivery monitoring. Free access: 1,000 free emails per month. Check plan-specific availability and current terms on the provider's official pricing page.
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. Free access: Up to 500 free demo/test email sends to a verified domain for new users.. Check plan-specific availability and current terms on the provider's official pricing page.