Top 10 Transactional Email Solutions To Use In 2024
Mobile Marketing

Top 10 Transactional Email Solutions To Use In 2024

Egor Prudnikov
Author @ InAppStory

Emails that are sent in response to user activities are known as transactional emails, and they are vital for every online business.  These emails, which include notifications, password reset requests, order confirmations, and welcome letters, require a reliable platform in order to ensure delivery. The fact that there are so many options makes it challenging to select the best one. Our examination of over 100 tools yielded the top 10 transactional email solutions to consider in 2024.


1. Postmark


Postmark, part of ActiveCampaign, excels in high-speed delivery using shared IP pools. It has a user-friendly UI and good deliverability rates.


Why choose?

  • Exceptional rates of email delivery
  • The capacity to divide up various email formats
  • Thorough analytics and handling of emails
  • A vast array of software libraries that are ready to use
  • Management of incoming emails



  • High costs
  • Selective industry partnerships


Best For: Enterprises focusing on email list management with a budget for top-tier deliverability.

Pricing: Free for 100 emails per month; $0.51 to $1.50 per 1000 emails.


2. UniOne


UniOne is an API-first, user-centric platform with positive customer reviews, catering to various industries, from SaaS (as well as CCaas) startups to e-commerce.

Why choose?

  • Quick and easy onboarding
  • Detailed email tracking and reporting
  • Friendly 24/7 support
  • Cost-effective pricing with a free trial
  • White-labeling option 



  • Limited integrations
  • Basic feature set without A/B testing or opt-in scenarios


Best For: SMBs seeking an easy start in email delivery on a budget.

Pricing: Free trial with 6,000 monthly email credits; $0.28 to $0.66 per 1000 emails.


3. SendGrid


SendGrid is known for scalability and performance with large sending volumes.

Why choose?

  • Wide support for email creation
  • Dependable analytics with add-on options
  • Dependability and scalability
  • Features of email marketing
  • Superior assistance for email functionality 


  •  Expensive for sophisticated features
  • Poor support and difficult onboarding for basic plans


Best For: Businesses and frequent senders who require sophisticated functionalities.

Pricing: Free for 100 daily emails; $0.35 to $0.89 per 1000 emails.


4. Mailgun


Mailgun offers a developer-focused approach with powerful APIs and flexible integration options.


Why choose?

  • Comprehensive API documentation
  • Proven deliverability and performance
  • Detailed logs and analytics
  • Expert consulting for enterprises
  • Email parsing feature 



  • Hard-to-reach customer support
  • High prices


Best For: Developers needing deep customization.

Pricing: Free for 2,500,000 emails in the first month; $0.50 to $1.50 per 1000 emails.


5. Elastic Email


Elastic Email, a Polish ESP, offers email API, SMTP relay, and marketing features.


Why choose?

  • Responsive support
  • Friendly onboarding
  • Email marketing features
  • Incoming emails management
  • Affordable pricing



  • Low deliverability with shared IP pools
  • Crucial features in expensive plans
  • Free trial limits sending to the account's email


Best For: Solopreneurs and startups needing an easy-to-set-up solution.

Pricing: $0.12 to $0.98 per 1000 emails; separate pricing for additional features.


6. Mailchimp Transactional


With Mailchimp's connection, Mailchimp Transactional is perfect for sending data-driven emails.

Why choose?

  • Easy management from the Mailchimp account
  • Comprehensive API functionality
  • High deliverability
  • Catchy templates
  • User-friendly interface


  • Requires a paid Mailchimp plan
  • Higher costs

Best For: Mailchimp users sending 25,000+ emails monthly.

Pricing: $0.40 to $2 per 1000 emails, plus Mailchimp marketing plan.


7. Resend


Resend is popular among developers, offering SDKs for various languages.


Why choose?

  • Variety of SDKs
  • Responsive online community
  • Test mode for experiments
  • High deliverability
  • Competitive prices


  • No ready-to-use templates
  • Limited data retention


Best For: Tech-savvy teams without long-term data retention needs. 

Pricing: Free for 100 emails daily; $0.24 to $0.40 per 1000 emails.


8. Brevo


Brevo provides a comprehensive communication suite, including transactional emails.


Why choose?

  • 360-degree communication tools
  • Personalization and customization
  • Guaranteed 99% delivery via API
  • Extensive guides and integrations
  • Log retention and tracking



  • Expensive plans
  • Potential account blocking


Best For: Businesses seeking an omnichannel solution.

Pricing: Free for 300 emails daily; $0.55 to $0.75 per 1000 emails.


9. Mailtrap


Mailtrap is trusted for testing and verifying email performance.


Why choose?

  • Excellent testing features
  • Spam checker and HTML validator
  • 24/7 live assistance
  • Additional analytics
  • Over 20 integrations


  • Limited sending functionality
  • Short data retention on lower plans


Best For: Developers needing a testing environment.

Pricing: Free for 1000 emails monthly; $0.50 to $1.50 per 1000 emails.


10. Bird


Bird (MessageBird) processes over 4 trillion emails annually.


Why choose?

  • Additional channels include WhatsApp and SMS  
  • Monitoring instruments
  • Modifiable algorithms
  • Quick transmission rate Scalability


  • Complicated setup
  • Complex pricing


Best For: Large enterprises building an omnichannel infrastructure.

Pricing: $0.88 to $1.50 per 1000 emails based on contacts.


In summary

Selecting an appropriate transactional email platform is essential to ensuring consistent email delivery. Our list of the best 2024 solutions provides a range of choices to suit a range of demands and price points, assisting you in efficiently distributing important emails.


For more insights on optimizing customer communication, check out our article on Top 10 SaaS Services for Customer Communication, and discover how these tools can transform your customer support strategy.