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Home / Viewpoint / Top 5 Mail API: Integration with Mail Delivery/Sending Services

Top 5 Mail API: Integration with Mail Delivery/Sending Services

Struggling to choose a mail API for your project? Look no further! This guide explores the top 5 mail APIs, comparing their strengths in integrating with various delivery/sending services. Find the perfect fit to streamline your email communication.

During the process of web development, if your application requires mail delivery services, you will need to integrate with a mail delivery service through a simple mail delivery API. In this article, we will introduce popular mail delivery APIs worldwide and also discuss using convenient API management tools to accelerate the web development process.

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What is a Mail API

A mail delivery API is an interface that allows you to send emails programmatically. Typically provided as a web service, developers can call the API to send emails from their applications.

A Closer Look Into REST API Calls
REST API calls are an important concept for any web developer to master. To keep things simple, REST API calls can be though of as the bridge that enables data exchange between users (like us) and servers (databases). Come and take a closer look at how you can create REST API calls yourself.

Advantages of Mail API

By using a high-quality mail delivery API, you can benefit from:

  1. Highly reliable mail delivery: Utilizing dedicated mail delivery servers ensures high reliability and delivery rates.
  2. Support for mass email delivery: APIs can handle large volumes of email sending without the need to set up and maintain your own mail servers.
  3. Rich set of features: Features like attachment files, HTML emails, scheduled delivery, etc., are provided.
  4. Tracking mail delivery status: You can track delivery status such as open rates, click rates, enabling effective measurement of success.
  5. Security measures: Spam and virus protection measures enhance the security of mail delivery.

Use Cases for Mail API

In web development, there are various scenarios where using a mail delivery API is necessary. Some of the main scenarios include:

  1. Need to send a large number of emails: APIs are more efficient and reliable for sending large volumes of emails, such as newsletters or promotional emails.
  2. Requirement for high reliability: When ensuring important emails are delivered reliably, using an API can be beneficial.
  3. Necessity for tracking and analysis of mail delivery: APIs allow detailed tracking and analysis of delivery stats like open rates and click rates, aiding in marketing campaign effectiveness measurement.
  4. Need for rapid development: APIs make it easier and quicker to implement email functionality compared to developing it from scratch.
  5. Customization of emails: APIs allow for creating personalized and user-experience-rich emails through HTML and template functions.
  6. Ensuring sender domain credibility: Using a dedicated mail delivery service can enhance domain reputation and credibility.

In essence, for efficiently achieving high-quality mail delivery, a mail delivery API serves as a powerful tool.

Connecting to Mail API to Integrate with Mail Delivery Services

When you need to integrate mail delivery services with your application, using a mail delivery API is the most convenient approach for the following reasons:

  1. Programmatic integration: APIs allow for programmatic mail sending from applications or web services. Integrating mail delivery processes into your system enables automation and seamless connectivity.
  2. Access to a wide range of features: Mail delivery service APIs offer not just mail sending functionalities but also features like attachment files, HTML emails, scheduled deliveries, open tracking, etc.
  3. Less development effort: Utilizing existing mail delivery service APIs reduces development efforts compared to building email sending functionality from scratch.
  4. High reliability and security: Mail delivery services have specialized infrastructure and security measures, ensuring reliable delivery and secure transmissions.
  5. High scalability: Easily scale up mail delivery needs without the need for major resource enhancements on your end.

Additionally, mail delivery services manage spam prevention, IP reputation management, and other security measures, making API integration more suitable. The significant advantages of easy access to high-quality mail delivery functions make this method preferable.

Below are the top 5 mail delivery APIs that are well-known:

SendGrid

An API provided by Twilio, known for its high reliability, scalability, and wide range of features such as open tracking, content management, etc.

Email API - Start for Free | SendGrid
Integrate and deliver in minutes with our RESTful Email APIs and SMTP libraries. Start sending with our free EMAIL API today.

Amazon SES (Simple Email Service)

Amazon's mail delivery service leverages AWS infrastructure, offering high performance and cost-effectiveness.

Bulk Cloud Email Service - Amazon Simple Email Service - AWS
Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service provider that allows developers to send email from within any application.

Mailgun

Another service from Twilio provides a RESTful API and advanced HTML email design capabilities.

Mailgun APIs
Mailgun APIs

Mailjet

A French mail delivery service known for its low cost, high functionality, and marketing automation integration.

Email Delivery Service for Marketing & Developer Teams | Mailjet
Streamline your emailing and boost your sales with Mailjet. We serve all your email and SMS needs with one simple and powerful service.

Brevo (formerly known as SendinBlue)

Brevo is lnown for its marketing automation integration, covering email creation, workflow design, analysis, CRM integration, and more.

REST API: Key Concepts
Learn the key concepts on Brevo API

Using one of these mail delivery APIs along with the provided API documentation, you can seamlessly integrate them into your application.

Efficiently Manage Mail APIs for Accelerated Development

When developing an application, you may need to utilize various APIs, including a mail delivery API, to expand functionality. Poor management of these APIs can significantly reduce development efficiency. Introducing an API management tool like Apidog can help you efficiently manage APIs and accelerate app development.

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In addition, Apidog also provides a service called API Hub. API Hub gathers thousands of third-party APIs categorized in various categories. If you need to search for third-party APIs and use them to extend the functionality of your own app, Apidog's API Hub can be a helpful site.

Apidog API Hub

Convenient Import of Mail API from cURL and other tools

Apidog allows you to directly import API specifications from common API client tools like cURL, OpenAPI/Swagger, Postman, etc., eliminating the need for manually re-entering API specifications.

initializing import curl apidog
import curl apidog

Instantly Generate Documentation based on API Specifications

From the imported API specifications, Apidog automatically generates API documentation. The generated documentation is intuitive and easy to understand, making it simple for development teams to share.

apidog sample documentation

Generate Client Code and SDKs to Integrate with Mail API

Apidog can generate implementation code and SDKs for various programming languages (Java, Python, Ruby, Node.js, etc.) based on API specifications. This eliminates the need for manual coding, making development more efficient.

apidog code generation

Create Test Scenarios to Ensure Robust Workflows

With Apidog, you can create test scenarios to simulate the production environment and execute API flows. Running the generated test scenarios allows you to confirm API design quality, and behavior, and prevent issues before deployment.

apidog code generation

By using Apidog, an API management tool, you can efficiently manage not only the mail delivery API but also other APIs, leading to increased productivity and accelerated app development. Apidog offers features like shared API documentation, auto-generation of implementation code, and automation of testing, which significantly boost API-driven development.

apidog testing scenario results
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Conclusion

A mail delivery API allows you to send emails programmatically, ensuring high-quality and reliable mail delivery. In this article, we introduced the overview of mail delivery APIs, their use cases, and the methods of integrating with mail delivery services.

When connecting to mail delivery services, utilizing a mail delivery API is the most convenient method due to its programmable nature, rich features, reliability, and ease of integration. We discussed popular mail delivery APIs such as SendGrid, Amazon SES, Mailgun, Mailjet, and SendinBlue, as well as Japan-specific services like Arara Message and Haidaimeru.

Furthermore, by using an API management tool like Apidog, the efficient management of mail delivery APIs and other APIs can significantly enhance development productivity and efficiency. API documentation sharing, code generation, and testing automation provided by Apidog streamline API-driven development for accelerated app development.

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