Address Authenticity API

Address Authenticity API

Effortlessly validate email addresses with our API, ensuring proper format, functional MX record, and filtering out disposable addresses. Enhance communication accuracy.

API description

About the API:  

In the realm of digital communication, email remains the cornerstone of professional correspondence, customer acquisition and business growth. Ensuring the accuracy and validity of email addresses is not only crucial for effective communication, but also for maintaining a clean and efficient database. Introducing the Address Authenticity API, a powerful tool that quickly and efficiently validates email addresses through a comprehensive set of checks, including valid email format, verification of MX records, and identification of disposable email addresses.

The Address Authenticity API offers a perfect solution to a common challenge faced by businesses, marketers and developers: verifying the authenticity of email addresses. Its main objective is to improve the quality of email databases and communication channels by filtering out invalid, non-existent or potentially harmful addresses.

The first check point covered by the API is email format validation. This initial step ensures that the email address follows the standard structure with the appropriate characters, symbols and domain names. This safeguard prevents the inclusion of misspelled or intentionally fraudulent email addresses, significantly reducing the chances of bounces and failed deliveries.

The second layer of validation revolves around MX (Mail Exchange) records. An MX record check confirms the existence of a mail server for the domain provided. This step verifies the domain's ability to receive emails, ensuring that the email address is not only properly formatted, but also associated with a functional mail server. By eliminating email addresses with non-existent or misconfigured mail servers, the API helps improve email deliverability rates.

The third and equally important aspect of validation focuses on identifying disposable email addresses. Disposable email addresses are often used for temporary purposes and are prone to higher bounce rates. The Address Authenticity API recognizes these types of addresses, allowing companies to avoid sending important communications to addresses that are unlikely to be used or ignored.

The effectiveness of the Address Authenticity API lies not only in its ability to perform these checks, but also in its speed and convenience. Integrating the API into your workflow requires only a few lines of code, which streamlines the validation process and fits seamlessly into existing applications, websites or systems. This frictionless integration allows companies to maintain the accuracy of their email databases without disrupting their operations.

In conclusion, the Address Authenticity API is emerging as a vital tool for users looking to optimize their email communication strategies. By quickly validating email addresses through valid format checks, MX records and disposable addresses, the API improves communication quality, reduces bounce rates and minimizes the risks associated with fraudulent or temporary email addresses.

As the digital world continues to evolve, the importance of accurate and effective email communication cannot be overstated. The Address Authenticity API is a solution that addresses this need and provides a reliable means to verify email addresses, improve deliverability and strengthen the foundation for successful online communication.


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: Ensure accurate delivery by validating email addresses before sending mass communications.

  2. User registration: Verify email addresses during registration to prevent fake or invalid accounts from entering your system.

  3. Contact database maintenance: Keep your contact list clean by periodically validating and updating email addresses.

  4. E-commerce order confirmations: Confirm customer orders by sending emails to accurate and functional addresses.

  5. Customer service: Ensure fast and satisfactory communication with customers by using valid e-mail addresses.

Are there any limitations to your plans?

Besides the number of API calls per month, there are no other limitations. 

API Documentation


To use this endpoint the user must indicate an email in the parameter.


Email validation - Endpoint Features
Object Description
email [Required]
Test Endpoint


                                                                                                                                                                                                                            {"email":"[email protected]","valid":true,"domain":"","disposable":false,"mxRecord":true}

Email validation - 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 Address Authenticity 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)

To use this API the user must indicate an email to be analyzed.

There are different plans suits everyone including a free plan for small amount of requests per day, but it’s rate is limit to prevent abuse of the service.

Sure, you can use it and pay only when you use it. The credit can’t be expired.

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.

It is an API that allows users to ensure email validation.

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
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