16 Free Email Sending API: Top Options Reviewed

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When it comes to integrating email functionality into your applications or services, choosing the right email sending API is crucial. Fortunately, there are numerous free options available that can cater to various needs. In this article, we review the top 16 free email sending APIs, highlighting their key features and use cases.

1. SendGrid

SendGrid offers a powerful and reliable email sending API. Its free plan allows you to send up to 100 emails per day, making it suitable for low-volume email needs. The API provides excellent deliverability and detailed analytics, helping you track and optimize your email campaigns.

2. Mailgun

Mailgun provides a generous free plan that permits the sending of up to 10,000 emails per month. It boasts a user-friendly API and robust features like email validation, tracking, and analytics. Mailgun is an excellent choice for developers looking for scalability and flexibility.

3. Mailjet

With Mailjet, you can send up to 6,000 emails per month on the free plan. It offers an intuitive API and advanced email marketing features, including A/B testing and real-time analytics. Mailjet is ideal for small businesses and startups.

4. SparkPost

SparkPost's free tier allows you to send 500 emails per month. The platform is known for its high deliverability rates and provides detailed insights into your email campaigns. SparkPost is suitable for developers who need a reliable and insightful email sending solution.

5. SendinBlue

SendinBlue offers a comprehensive email marketing solution with a free plan that permits the sending of up to 300 emails per day. Its API is easy to integrate, and the platform provides advanced features like automation, segmentation, and personalization.

6. Mandrill (Now Mailchimp Transactional)

Although Mandrill has been rebranded as Mailchimp Transactional, it still offers a free plan for up to 12,000 emails per month. The service is known for its robust deliverability and detailed email tracking, making it a great choice for transactional emails.

7-16. Other Notable Options

In addition to the top six options mentioned above, there are several other notable free email sending APIs worth considering, including Amazon Simple Email Service (SES), Postmark, MailerSend, Elastic Email, Pepipost, Moosend, SendPulse, EmailOctopus, and SMTP2GO. These services offer varying features and limits, catering to different email sending needs.

In conclusion, selecting the right email sending API is essential for effective email communication. The free options reviewed in this article provide a solid foundation for integrating email functionality into your applications or services. Whether you're a developer, a small business owner, or a marketer, there's a free email sending API that can meet your specific needs. Remember to consider factors like deliverability, scalability, ease of integration, and analytics when making your choice.

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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.