14 Free Email Sending API Options

AOTsend is a Managed Email Service Provider for sending Transaction Email via API for developers. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go. Check Top 10 Advantages of Managed Email API

When it comes to integrating email functionality into your web or mobile application, choosing the right email sending API can be crucial. Fortunately, there are numerous free options available that can cater to a variety of needs. In this article, we'll explore 14 free email sending API options that you can consider for your next project.

1. SendGrid

SendGrid offers a powerful, cloud-based email infrastructure service. Their free plan allows you to send up to 100 emails per day, making it suitable for small projects or testing purposes.

2. Mailgun

Mailgun provides a generous free tier that permits the sending of up to 10,000 emails per month. It's a great option for developers looking to integrate robust email sending capabilities into their applications.

3. Mailjet

With Mailjet, you can send up to 6,000 emails per month on their free plan. It's an excellent choice for those seeking an intuitive and feature-rich email service.

4. SparkPost

SparkPost's free tier enables you to send up to 15,000 emails per month. It's known for its reliability and scalability, making it a solid option for growing projects.

5. SendinBlue

SendinBlue offers a comprehensive email marketing and automation platform. Their free plan includes up to 300 emails per day, ideal for small businesses or startups.

6. Mandrill (by Mailchimp)

Although Mandrill is now part of Mailchimp, it still offers a standalone email sending service. Its free tier allows for a limited number of free emails each month, perfect for low-volume senders.

7. Postmark

Postmark specializes in transactional email delivery. Their free tier permits up to 100 emails per month, suitable for testing and small-scale deployments.

8. Amazon Simple Email Service (SES)

Amazon SES provides a cost-effective, scalable, and flexible email sending service. While it's not completely free, it offers a free tier that includes 62,000 free emails per month for the first 12 months.

9. MailerSend

MailerSend's free plan lets you send up to 12,000 emails per month. It's a great option for developers who need a simple and efficient email sending solution.

10. Elastic Email

Elastic Email's free plan allows for up to 25,000 emails per month, making it a viable choice for those with higher email sending needs.

11. Pepipost

Pepipost offers a free tier that permits up to 30,000 emails per month. It's known for its excellent deliverability and real-time analytics.

12. SendPulse

SendPulse provides a multifaceted marketing platform that includes email sending capabilities. Their free plan allows for up to 15,000 emails per month, great for small-to-medium sized campaigns.

13. Moosend

Moosend's email marketing platform includes a free plan for up to 1,000 subscribers and unlimited emails. It's perfect for those just starting out with email marketing.

14. MailerLite

【AOTsend Email API】：
AOTsend is a Transactional Email Service API Provider specializing in Managed Email Service. 99% Delivery, 98% Inbox Rate. $0.28 per 1000 Emails.
AOT means Always On Time for email delivery.

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MailerLite offers a forever free plan for up to 1,000 subscribers and 12,000 emails per month. It's an excellent choice for those seeking an easy-to-use and affordable email marketing solution.

Choosing the right email sending API for your project can significantly impact its success. Whether you're looking for a solution for transactional emails, marketing campaigns, or simply to test email functionality, these 14 free email sending API options provide a great starting point. Remember to consider your specific needs, such as email volume, deliverability, and features, to make the best choice for your project.

AOTsend adopts the decoupled architecture on email service design. Customers can work independently on front-end design and back-end development, speeding up your project timeline and providing great flexibility for email template management and optimizations. Check Top 10 Advantages of Managed Email API. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go.