Wix API key question

Question:
I am building a non-wix website where I want to use a wix API key to connect the CMS database from my wix site with the non wix site. I want to use this database to validate members on my non-wix site based on if they exist in my wix site as member or not. I want to use member email ids to do this. I tried to generate API key and use that but that says permission denied and won’t let me check the wix site’s member data. How can I do this?

Product:
Wix API keys

What are you trying to achieve:
I am trying to connect my wix CMS database to a non wix site to validate members in the non wix site.

What have you already tried:
I tried generating an API key and using that but it says permission denied.
WhatsApp Image 2025-07-01 at 14.29.04_ab80a768

Additional information:
I am trying to validate people on the non-wix site using email addresses on the CMS database.

You can create a backend web module (HTTP function) on your Wix site using Velo that:

  • Receives an email ID from your non-Wix site
  • Checks if that user exists in the Wix Members collection
  • Returns the result (true/false, or user details if needed)

Take a look here…