14 Free API Send Email Services

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

【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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When it comes to integrating email functionality into your applications or websites, utilizing free email API services can be a cost-effective and efficient solution. These services allow developers to send automated emails without the need for a dedicated email server. In this article, we'll explore 14 free API email services that you can use in your projects.

1. SendGrid

SendGrid offers a powerful, cloud-based email infrastructure that allows developers to send transactional and marketing emails. Their free plan includes up to 100 emails per day, making it suitable for small projects or testing purposes.

2. Mailgun

Mailgun provides a simple RESTful API for sending, receiving, and tracking emails. Their free plan offers 10,000 free emails per month, perfect for startups or low-volume email senders.

3. SparkPost

SparkPost's email delivery service is known for its reliability and scalability. Their free tier allows you to send up to 15,000 emails per month, ideal for developers looking to integrate robust email functionality into their apps.

4. SendinBlue

SendinBlue not only offers transactional email services but also includes marketing automation tools. The free plan permits up to 300 emails per day, suitable for small businesses or personal projects.

5. Mailjet

Mailjet provides a user-friendly email service with advanced email templating and real-time analytics. Their free plan allows you to send up to 6,000 emails per month, great for those needing a bit more volume.

6. Mandrill (Now Mailchimp Transactional)

Although Mandrill has been discontinued and replaced by Mailchimp Transactional, it still offers a generous free plan for developers. You can send up to 12,000 emails per month, perfect for applications with moderate email needs.

7-14. Other Notable Services

In addition to the services mentioned above, there are several other notable free email API services worth mentioning, including but not limited to:

1. Postmark
2. Amazon Simple Email Service (SES)
3. Elastic Email
4. SendPulse
5. Moosend
6. MailerLite
7. Emma
8. Constant Contact

These services offer various features and limitations, but they all provide a free tier suitable for testing or small-scale projects.

Conclusion

When choosing a free email API service, consider your project's specific needs. Whether you're looking for a simple way to send transactional emails or need more advanced marketing automation tools, there's a service that fits your requirements. Remember to carefully review each service's terms and conditions, as free plans often have limitations on email volume, features, or support.

By utilizing these free email API services, developers can seamlessly integrate email functionality into their applications, enhancing user experience and communication capabilities.

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.