Best 6 Free Mail Sender API Service Providers

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 sending emails programmatically, having a reliable and free mail sender API can be a game-changer for developers. In this article, we'll explore the top 6 free mail sender APIs that you can integrate into your projects.

1. SendGrid

SendGrid offers a powerful and flexible email API that allows developers to send transactional and marketing emails. With a generous free tier, SendGrid lets you send up to 100 emails per day for free. This API integrates seamlessly with various programming languages and frameworks, making it a popular choice among developers.

2. Mailgun

Mailgun provides a simple and powerful API for sending, receiving, and tracking emails. Its free plan allows you to send up to 10,000 emails per month, which is quite generous compared to other free mail sender APIs. Mailgun also offers detailed analytics and tracking features, helping you monitor the performance of your email campaigns.

3. Mailjet

Mailjet is another excellent option for developers looking for a free mail sender API. With its free plan, you can send up to 6,000 emails per month. Mailjet's API is easy to integrate and provides real-time analytics, making it a great choice for those who want to track the performance of their emails.

4. SparkPost

SparkPost offers a robust and scalable email delivery service. Its free tier allows you to send up to 15,000 emails per month, which is one of the highest limits among free mail sender APIs. SparkPost's API integrates easily with various programming languages and provides detailed delivery metrics.

5. SendinBlue

SendinBlue is a comprehensive marketing automation platform that includes a powerful email API. Its free plan lets you send up to 300 emails per day. SendinBlue's API supports multiple languages and frameworks, and it offers advanced features like email templating and personalization.

6. Amazon Simple Email Service (SES)

Amazon SES is a cost-effective, flexible, and scalable email service that enables developers to send mail using a simple API call. While it's not completely free, Amazon SES offers a free tier that allows you to send up to 62,000 emails per month at no cost. This makes it a viable option for developers who need a higher volume of emails but still want to keep costs low.

【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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In conclusion, there are several excellent free mail sender APIs available for developers. Each of these APIs offers unique features and benefits, so choose the one that best fits your project requirements. Whether you're sending transactional emails, marketing campaigns, or just want to experiment with email automation, these APIs provide a powerful and flexible solution.

Remember, when integrating any API into your project, always read the documentation carefully and test thoroughly to ensure everything works as expected. Happy coding!

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.