Mailchimp Transactional Email by Intuit Mailchimp
Transactional email API (formerly Mandrill) for sending receipts, notifications and password resets.
Email sending Official MCP server
＋ Build a stack with Mailchimp Transactional Email Website Official pricing GitHub
Price
from $10 per block
pay as you go, list price
Free tier
No
SDK downloads
—
npm @mailchimp/mailchimp_transactional · PyPI mailchimp-transactional
Pricing
| Free tier | — |
|---|---|
| Cheapest paid plan | — |
| Usage price | $20 per block of 25,000 emails (1-20 blocks), down to $10 per block at 161+ blocks; dedicated IP $29.95/month |
| Good to know | Add-on that requires a paid Mailchimp Standard or Premium plan; unused emails do not roll over month to month. New users get up to 500 free test sends to a verified domain. |
From the official pricing page, checked Oct 10, 2026. Prices change: confirm before you buy.
Use it from an agent
| MCP server | Official: https://mailchimp.com/developer/transactional/guides/how-to-use-mailchimps-transactional-messaging-mcp/ |
|---|---|
| npm | npm install @mailchimp/mailchimp_transactional |
| PyPI | pip install mailchimp-transactional |
Alternatives to Mailchimp Transactional Email
| API | Free | Price | SDK downloads / wk | GitHub stars | MCP |
|---|---|---|---|---|---|
| MailerSend Email API and SMTP relay service for sending, tracking, and managing transactional and marketing emails. |
500 emails/month | $0.9 / 1k requests · free tier | — | — | |
| SparkPost Send and track transactional and marketing emails at scale. |
1,000 emails/month, 50/day cap | $0.9 / 1k requests · free tier | — | — | |
| Mailtrap Email API/SMTP Transactional and bulk email sending via API or SMTP, with a separate email testing sandbox. |
4,000 emails per month (150 emails/day) | $1 / 1k requests · free tier | — | — | MCP |
| Courier Multichannel notifications and customer messaging platform for sending across email, SMS, and chat. |
10,000 sends per month | $5 / 1k requests · free tier | — | — | |
| Resend Developer email API for sending and receiving transactional and marketing email. |
3,000 emails/month, 100/day, 3 domains | Free plan · paid from $20/mo | 16.2M | 964 | MCP |
| Twilio SendGrid High-volume email API and SMTP relay with deliverability tooling and marketing campaigns. |
Free trial: 100 emails/day for 60 days | Free plan · paid from $19.95/mo | 9.7M | 3,052 | MCP (community) |