Unparalleled suite of productivity-boosting Web APIs & cloud-based micro-service applications for developers and companies of any size.


The Anatomy of a Great Email Checker API


Verifying email IDs is critical to the success of your marketing campaign. Without validation, you cannot separate genuine clients from fake customers, and as a result, you can’t reach genuine buyers. By using a great email checker API, you can effectively verify the email addresses in your database. There are plenty of validation APIs available on the market. But what are the properties of a great email checker API? How can one make your life easier? In this post, you will find all the details.

What is an email checker API?

An email checker is a tool for efficiently verifying the email addresses in your database. Email checkers ensure that emails are accurate, valid, and deliverable. They use a variety of advanced techniques to identify inaccurate and fake email addresses. These include syntax checks, disposable email checks, and SMTP verification to eliminate fake contacts. As a result, you can reach real customers, land big deals, and grow your business.

What are the properties of a great email checker API?

  • Support for Advanced Technologies: A great email checker API supports a variety of advanced technologies, like syntax check, disposable email check, and SMTP verification. Using one can identify and eliminate fake email addresses from your database.
  • 256-Bit Encryption: 256-bit encryption is the industry-standard technology for securing data streams. It protects your database from hackers during the validation process. This means you don’t have to worry about potential security threats.
  • Comprehensive Documentation: A great email checker API comes with comprehensive documentation. It explains everything in detail and is very easy to follow. You won’t have any problem understanding or implementing the key features of the API. Besides, it provides code examples in a variety of programming languages. Using them, you can implement the API into your application in just a few minutes.

What is the best email checker API for 2022?

The best email checker API for 2022 is mailboxlayer. It is a powerful tool for validating email IDs on your database effectively. mailboxlayer supports advanced features, including syntax and typo check, free and disposable provider filtration, and SMTP verification. It also offers 256-bit HTTPS encryption. As a result, mailboxlayer can efficiently verify email addresses while maintaining a high level of security.

Why is mailboxlayer the best email checker API for 2022?

  • Very easy to implement into your web applications
  • Robust and interactive documentation
  • Provides advanced security features, including the industry-standard 256-bit HTTPS encryption
  • Offers advanced validation technologies, including catch-all detection and disposable email check, for complete verification
  • Lightweight and super-fast

How can Mailboxlayer make my life easier?

Mailboxlayer makes your life easier by allowing you to effortlessly integrate the API into your web application. The whole process takes less than 10 minutes, you just need to write a few lines of code. It also provides comprehensive, intuitive documentation that explains everything. It’s hassle free.

How can I implement mailboxlayer into JavaScript web applications?

1. First, you need to set the API access key. You can get it for free by simply signing up here. You also need to specify the email address that you want to validate.

2. Next, you have to make an AJAX call to verify the email address.

Overall, the code will look like this:

Email checker API developer.

How can I implement Mailboxlayer into PHP web applications?

1. Set the API access key and specify the email ID that you want to verify.

2. Now, you have to initialize cURL by using this code:

3. Then you have to store the data and close the cURL session.

4. Next, you have to decode the JSON response.

5. Finally, you access the validation result objects by using this code:

Overall, the code will look like this:

That’s it! You have successfully integrated mailboxlayer into your JavaScript and PHP web apps. It just takes a few lines of code. It doesn’t require you to do anything from scratch — everything is built into the API. 

What information does Mailboxlayer provide after the validation?

Mailboxlayer provides a wide range of data in lightweight JSON format, like format validity, user role,  and SMTP check result. Let’s try making a request to the API’s base URL and analyzing the result:

You will get this response:

As you can see, the format_validmx_foundsmtp_check, and catch_all fields are set to true. That means the email ID is valid. The disposable and free fields are also set to false. This means the email ID is not from a disposable email address provider, like Mailinator, which spammers widely abuse. Finally, you see that the overall validation score is set to 0.8. The maximum value is 1. So, it’s a great score, and it indicates that the email ID is accurate, valid, and deliverable.

Bulk Email Address Check

Mailboxlayer also allows you to check multiple email addresses at the same time. You just need to separate each of the IDs with a comma. For example, you can perform the verification by simply appending multiple comma-separated email addresses to the API’s base URL.

Documentation: Is it easy to follow?

The documentation is straightforward. It explains all the functionality in detail, and you will not face any issues following it.

Another big plus is mailboxlayer’s API errors documentation. This section explains all the API error codes. The other email ID validation APIs, like Zerobounce, don’t have a similar section in their documentation. mailboxlayer also provides in-depth explanations of all the validation tools, including role check, free provider check, and real-time validation. In addition, the documentation provides examples for using the API in different languages, including PHP and JavaScript. You can integrate mailboxlayer into your web apps in just a few minutes by following them.

Overall, the documentation is comprehensive and intuitive. So, it can make your life a lot easier.

Pricing: How much does it cost?

Mailboxlayer comes in four different plans: Free, Basic, Professional Plus, and Enterprise Plus. The Free plan allows you to make 100 API requests per month. However, it provides limited technical support. If you want unlimited support, you need to go for the $14.99/month* Basic plan. It allows you to make 5,000 requests every month.

If you need more flexibility, you can choose the $74.99* Professional Plus plan, which offers 50,000 requests per month. If you need to make even more requests, you should pick up the $249.99* Enterprise Plus plan, it supports 250,000 API requests per month.

The good thing about Mailboxlayer is that it doesn’t follow the pay-as-you-go pricing model like ZeroBounce. That alone can save you a lot of money. For example, it costs only $74.99* to check 50,000 emails with Mailboxlayer. If you use ZeroBounce, you will spend $325* for the same volume. You can also check out  kickbox.com reviews comparisons to mailboxlayer.

 * Pricing data collected in April 2022.

Is mailboxlayer the best email checker API on the market?

Mailboxlayer comes with all the tools required to effectively validate the email IDs on your database. It is very powerful and super-fast, and it takes just a few seconds to complete the verification. Mailboxlayer is also highly secure, and 256-bit HTTPS encryption protects your database from potential security threats. Besides, it is user-friendly and reasonably priced. As a result, Mailboxlayer is considered the best email checker API available online. You can rely on it to efficiently eliminate inaccurate and fake contacts from your mailing list.

Mailboxlayer is the best email checker API on the market. It is fast, secure, and very easy to integrate into web applications. Try it now for free.

Related posts

API Marketplace vs API Gateway: What’s the Difference?


How to Use the ScreenshotLayer and PDFLayer APIs to Create a Web Page Archiver


What Are API Keys? (And Are They Secure?)


API Marketplace vs. API Portal: What Is the Difference?

Leave a Reply

Your email address will not be published. Required fields are marked *