Mailchimp Transactional (formerly Mandrill) vs Infobip Email API

Mailchimp Transactional (formerly Mandrill)8.3Visit IEInfobip Email API7.7Visit

Higher score Mailchimp Transactional (formerly Mandrill) #3 in Transactional Email Software 8.3/10 From $20 ✓ 2 of 2 features Visit Mailchimp

vs

IE Infobip Email API #5 in Transactional Email Software 7.7/10 60-day trial ✓ 2 of 2 features Visit Infobip

• Mailchimp Transactional (formerly Mandrill) fits best

  High-volume transactional sending with predictable blocks

• Infobip Email API fits best

  Enterprise teams needing inbound and compliance options

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Side by side

Feature	Mailchimp Transactional (formerly Mandrill) 8.3/10 Visit ↗	IEInfobip Email API 7.7/10 Visit ↗
At a glance
Editor score	8.3	7.7
Ranking	#3 in Transactional Email Software	#5 in Transactional Email Software
Best for	High-volume transactional sending with predictable blocks	Enterprise teams needing inbound and compliance options
Pricing model	Paid	Paid
Starting price	Not published	Not published
Free plan	—	—
Free trial	—	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web
Support	Docs	Email, Tickets, Community, Docs
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Mailchimp Transactional (formerly Mandrill) 2/2 · Infobip Email API 2/2
Event webhooks	✓	✓
Dedicated IP option	✓	✓
Specs
Delivery methods	Both	Both
Template options	Both	Both
Delivery log retention	30 days	48 days (best)
Monthly send limit	25000 emails/mo	Not published
Our review
Pros	Supports both transactional API and SMTP sending Includes templates, dynamic content, webhooks, and inbound processing Per-block pricing falls from $20 to $10 at 161+ blocks	Supports both HTTP API and SMTP delivery Combines templates, tracking, webhooks, logs, and reporting Offers inbound processing, dedicated IPs, and IP pools
Cons	No permanent free plan Requires a Mailchimp account Email content is retained for 30 days	Pricing varies by country, currency, and message volume No perpetual free plan May be more than needed for basic email sending
Our verdict	Mailchimp Transactional, formerly Mandrill, is a cloud email delivery service for developers sending personalized, event-driven messages. Its use cases include password resets, order confirmations, welcome emails, and outage alerts.… Read the review →	Infobip Email API is a cloud service for programmatic transactional and marketing email. It is designed for developers and enterprise teams sending password resets, order confirmations, alerts, bulk messages, and other… Read the review →

Strengths and trade-offs

• Mailchimp Transactional (formerly Mandrill) — where it wins

  • Supports both transactional API and SMTP sending
  • Includes templates, dynamic content, webhooks, and inbound processing
  • Per-block pricing falls from $20 to $10 at 161+ blocks

  Where it doesn't

  • No permanent free plan
  • Requires a Mailchimp account
  • Email content is retained for 30 days

• Infobip Email API — where it wins

  • Supports both HTTP API and SMTP delivery
  • Combines templates, tracking, webhooks, logs, and reporting
  • Offers inbound processing, dedicated IPs, and IP pools

  Where it doesn't

  • Pricing varies by country, currency, and message volume
  • No perpetual free plan
  • May be more than needed for basic email sending

• Mailchimp Transactional (formerly Mandrill)8.3/10 · From $20

  A paid transactional email service with API, SMTP, templates, and volume pricing.

  Visit MailchimpFull verdict →
• IEInfobip Email API7.7/10 · 60-day trial

  A programmable email service with delivery controls, inbound processing, and usage-based pricing.

  Visit InfobipFull verdict →