Email Quality Assurance API

Email Quality Assurance API

The Email Quality Assurance API offers real-time email validation, syntax checks, domain verification, and more, ensuring accurate communication and cost-effective marketing.

API description

About the API:  

In today's digital age, email communication remains an essential part of personal and professional interactions. With countless emails sent every day, the accuracy and validity of email addresses are critical. Invalid or incorrect email addresses can result in bounced messages, missed opportunities and reduced customer engagement. To combat these issues, the Email Quality Assurance API emerges as a powerful solution that provides seamless integration into your applications and systems for reliable email verification.

Email Quality Assurance API is a versatile tool designed to verify the validity and accuracy of email addresses in real time. It provides a convenient way to validate email addresses, ensuring that your communication channels remain effective and error-free. By seamlessly integrating this API into your applications and systems, you can improve data quality and the overall user experience.

The Email Quality Assurance API performs email address validation instantly, providing immediate feedback on address validity. This allows you to take immediate action and ensures that you only send messages to genuine recipients.

The API checks the correct syntax of the email address, verifying that it follows standard email formatting. This helps eliminate common typos and reduces the likelihood of sending emails to non-existent addresses.

The Email Quality Assurance API is a valuable tool for businesses and organizations of all sizes, ensuring that your email communication remains efficient, cost-effective and reliable. It offers real-time verification, powerful features and easy integration to streamline the email verification process, allowing you to focus on meaningful interactions and growing your business.


What this API receives and what your API provides (input/output)?

It will receive parameters and provide you with a JSON.


What are the most common uses cases of this API?

  1. Email marketing campaigns: Verify email addresses on your distribution list to improve deliverability and campaign participation.

  2. User registration: Ensure the accuracy of email addresses during user registration processes.

  3. Contact form validation: Validate email addresses entered through website contact forms to reduce errors.

  4. Password reset requests: Confirm the validity of e-mail addresses for secure password reset procedures.

  5. Lead generation: Verify e-mail addresses obtained from lead generation efforts to maintain a clean database.

Are there any limitations to your plans?


  • Basic Plan: 4,000 API Calls. 20 requests per minute.

  • Pro Plan: 10,000 API Calls. 40 requests per minute.

  • Pro Plus Plan: 70,000 API Calls. 1 request per second.

API Documentation


To use this endpoint you must enter an email address in the parameter.


Verificator - Endpoint Features
Object Description
email [Required]
Test Endpoint


                                                                                                                                                                                                                            {"email":"[email protected]","user":"johnnew","domain":"","status":"invalid","reason":"The mailbox doesn't exist.","disposable":false}

Verificator - CODE SNIPPETS

curl --location --request GET '[email protected]' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Email Quality Assurance API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

Simple Transparent Pricing

No long term commitments. One click upgrade/downgrade or cancellation. No questions asked.

๐Ÿš€ Enterprise
Starts at $10,000/Year

  • Custom Volume
  • Dedicated account manager
  • Service-level agreement (SLA)

Customer favorite features

  • โœ”๏ธŽ Only Pay for Successful Requests
  • โœ”๏ธŽ Free 7-Day Trial
  • โœ”๏ธŽ Multi-Language Support
  • โœ”๏ธŽ One API Key, All APIs.
  • โœ”๏ธŽ Intuitive Dashboard
  • โœ”๏ธŽ Comprehensive Error Handling
  • โœ”๏ธŽ Developer-Friendly Docs
  • โœ”๏ธŽ Postman Integration
  • โœ”๏ธŽ Secure HTTPS Connections
  • โœ”๏ธŽ Reliable Uptime

To use this API you must provide an email address to verify if it is valid.

There are different plans suits everyone including a free trial for small amount of requests, but itโ€™s rate is limit to prevent abuse of the service.

Zyla provides a wide range of integration methods for almost all programming languages. You can use these codes to integrate with your project as you need.

The Email Quality Assurance API is a powerful tool designed to validate and verify email addresses in real-time.

Zyla API Hub is, in other words, an API MarketPlace. An all-in-one solution for your developing needs. You will be accessing our extended list of APIs with only your user. Also, you won't need to worry about storing API keys, only one API key for all our products is needed.

Prices are listed in USD. We accept all major debit and credit cards. Our payment system uses the latest security technology and is powered by Stripe, one of the worldโ€™s most reliable payment companies. If you have any trouble with paying by card, just contact us at [email protected]

Sometimes depending on the bank's fraud protection settings, a bank will decline the validation charge we make when we attempt to be sure a card is valid. We recommend first contacting your bank to see if they are blocking our charges. If more help is needed, please contact [email protected] and our team will investigate further

Prices are based on a recurring monthly subscription depending on the plan selected โ€” plus overage fees applied when a developer exceeds a planโ€™s quota limits. In this example, you'll see the base plan amount as well as a quota limit of API requests. Be sure to notice the overage fee because you will be charged for each additional request.

Zyla API Hub works on a recurring monthly subscription system. Your billing cycle will start the day you purchase one of the paid plans, and it will renew the same day of the next month. So be aware to cancel your subscription beforehand if you want to avoid future charges.

Just go to the pricing page of that API and select the plan that you want to upgrade to. You will only be charged the full amount of that plan, but you will be enjoying the features that the plan offers right away.

Yes, absolutely. If you want to cancel your plan, simply go to your account and cancel on the Billing page. Upgrades, downgrades, and cancellations are immediate.

You can contact us through our chat channel to receive immediate assistance. We are always online from 9 am to 6 pm (GMT+1). If you reach us after that time, we will be in contact when we are back. Also you can contact us via email to [email protected]

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