Shopify Email Verification Integration

Use JS Widget to quickly and easily integrate DeBounce real-time email validation into your Shopify fields.


JS Widget can easily integrate into your Shopify forms and validate your emails prior to form submission.

What do you need before starting?

  1. DeBounce public API key
  2. Shopify account
  3. Shopify forms.

Which forms and fields are protected?

  1. Standard Shopify contact forms.
  2. Newsletter section on Shopify store.
  3. Shopify registration forms.

Here is a step-by-step guide on how to integrate DeBounce into your Shopify forms.

Creating a public API key

Navigate to and create an API key, then copy the public API key.

Next, you need to add your domain URL to the approved domains list. This is a security factor that only enables the widget on your specific domain. Click on "CORS Domains" and add your website address. Please note that the CORS URL must follow these rules: 1) It is not sensitive to HTTP and HTTPS; 2) It is sensitive to www and non-www; 3) If your webpage is on a subdomain, you must add the subdomain too; 4) You must enter the root URL of your webpage. Some possible examples:,,

Adding Public API into JavaScript Code

Add your public API key into the following code. The integration code is now ready. You only need to add it to your Shopify page.

<script type="text/javascript">
DeBounce_BlockFreeEmails = 'false'; //Set this value true to block free emails like Gmail.
<script async type="text/javascript" src=""></script>

Insert the JavaScript Widget into Shopify

  • Log into your Shopify account.
  • Go to "Themes" on the left side menu.
  • Navigate to "Actions" -> "Edit code".
  • Click on edit "theme.liquid".
  • Paste the script tag just before the </head>.

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