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Best 10 Free Mail APIs for Developers in 2024

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In 2024, developers have access to a wide range of email APIs that facilitate seamless integration of email functionalities into their applications. Here, we present the best 10 free mail APIs that are essential for developers this year.

1. SendGrid API

SendGrid offers a robust cloud-based email delivery platform. Its API allows developers to send transactional and marketing emails with ease. The free plan offers up to 100 emails per day, making it ideal for small projects and testing.

2. Mailgun API

Mailgun provides a powerful API for sending, receiving, and tracking emails. With a generous free tier that includes 10,000 free emails per month, it's a great option for developers looking to integrate email functionality into their apps.

3. Mailchimp API

Known for its marketing automation tools, Mailchimp also offers a transactional email API. While primarily focused on email marketing, its API can be used for basic email sending needs, and it includes a free tier for up to 2,000 subscribers.

4. SendinBlue API

SendinBlue's API combines email marketing and transactional email capabilities. Its free plan allows up to 300 emails per day, making it suitable for small businesses and startups.

5. SparkPost API

SparkPost offers a feature-rich email delivery service. Its API supports both transactional and marketing emails, and the free tier includes 10,000 emails per month, ideal for testing and low-volume sending.

6. Mandrill API

Part of the Mailchimp suite, Mandrill is focused on transactional emails. Its API is straightforward to use, and the free tier offers a limited number of free emails per month, perfect for developers testing email integrations.

7. Postmark API

Postmark specializes in transactional email delivery. Its API promises high deliverability rates, and the free tier includes 100 free emails per month, great for small-scale projects.



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Email APIs vs SMTP: How they Works, Any Difference?

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Best 10 Free Mail APIs for Developers in 2024

8. Amazon Simple Email Service (SES) API

Amazon SES provides a cost-effective, flexible, and scalable email-sending and receiving service. While not completely free, its pay-as-you-go pricing model can be very cost-effective for low-volume senders.

9. Mailjet API

Mailjet's API offers advanced email marketing and transactional email services. The free plan allows up to 6,000 emails per month, suitable for small businesses and developers testing email functionalities.

10. Elastic Email API

Elastic Email provides a full-featured email delivery platform. Its API supports both marketing and transactional emails, and while not completely free, it offers a cost-effective pricing model for developers.

In conclusion, the Best 10 Free Mail APIs for Developers in 2024 offer a range of options for integrating email functionalities into applications. Whether you're a developer testing email integrations or a small business owner looking for a cost-effective solution, these APIs provide robust and scalable services. Choose the one that best fits your needs and start sending emails today!

AotSend Email API Best 24+ Email Marketing Service (Price, Pros&Cons Comparison) What is a Managed Email API, How it Works? Best 25+ Email Marketing Platforms (Compare Authority,Keywords&Traffic)

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.


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