Email Domain Tracker API

Email Domain Tracker API

"Introducing our Email Domain Checker Tracker API: Quickly verify email domain validity for improved communication and business success.

API description

About the API:  

The Email Domain Tracker API, designed to streamline and simplify the process of verifying the validity of email domains for your customers. In today's digital age, where email communication plays a critical role in business operations, ensuring the accuracy and legitimacy of email domains is crucial. Our Email Domain Tracker API is the ultimate solution to effectively address this challenge.

Email is the cornerstone of modern communication, especially in the business world. Organizations rely on email for everything from customer service to marketing campaigns, making email domain verification a primary concern. Sending emails to invalid or nonexistent domains can result in bounces, which negatively impacts the sender's reputation and overall email deliverability.

Ensuring the validity of email domains is not only about maintaining a positive sender reputation, but also about delivering an exceptional customer experience. Customers expect seamless communication, and any email-related issues can lead to frustration and loss of trust. This is where our Email Domain Tracker API steps in to help.

Our API allows you to instantly check the validity of email domains in real time. Whether you are onboarding new customers, verifying email addresses during user registration or managing your email lists, our API offers a fast and accurate solution.

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. User registration: Verify email domains during user registration to avoid fake accounts.

  2. E-commerce: Ensure valid email domains for customer registrations and order notifications.

  3. Customer service: Validate domains for efficient email problem resolution.

  4. Marketing campaigns: Improve deliverability by verifying email domains for subscriber lists.

  5. Data cleansing: Periodically verify and update email domains in databases.

Are there any limitations to your plans?


  • Basic Plan: 1,000 API Calls. 1,000 requests per hour.

  • Pro Plan: 2,000 API Calls. 1,000 requests per hour.

  • Pro Plus Plan: 4,000 API Calls. 1,000 requests per hour.

  • Premium Plan: 10,000 API Calls. 1,000 requests per hour.

API Documentation


To use this endpoint you must specify the URL of a domain in the parameter.


Email Domain - Endpoint Features
Object Description
domain [Required]
Test Endpoint


                                                                                                                                                                                                                            {"success":true,"valid_email_domain":true,"message":" is a valid email domain","email_delivered_to":[""]}

Email Domain - CODE SNIPPETS

curl --location --request GET '' --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 Domain Tracker 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.

🚀 Enterprise
Starts at $10,000/Year

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

Customer favorite features

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

To use this API the user must indicate the URL of a domain.

There are different plans suits everyone including a free trial for small amount of requests, but it’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.

An Email Domain Tracker is a tool or API that verifies the validity and existence of email domains, ensuring that they are configured to receive emails.

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 world’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 — plus overage fees applied when a developer exceeds a plan’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]

 Service Level
 Response Time



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