Solution / Check 1: Check System Parameters

1. Log into Odoo

2. Activate Developer Mode:

   - Click on Settings (gear icon)

   - Click "Activate developer mode" at the bottom of the menu

3. Go to Settings > Technical > System Parameters

4. Find "web.base.url" parameter

5. Make sure its value starts with "https://" (e.g., https://domain.com)

6. If it doesn't start with "https://", edit and add it

7. Save changes

Solution / Check 2: Update Odoo Configuration File

1. Locate your Odoo configuration file (usually odoo.conf)

2. Open the file in a text editor

3. Add or update these two lines:

   proxy_mode = True

   x_forwarded_for = True

4. Save the file

5. Restart your Odoo server for changes to take effect

After completing both steps, try creating the Stripe webhook again.