To protect against phishing and spam, we recommend adding your guest portal URLs to Booking.com's Approved links. This will ensure your guest portal links get delivered securely to each guest. Follow the steps below to add both the generic portal link and your custom URL.
Head to your Booking.com account to begin.
Step 1: Click the property dropdown
Step 2: Select Messaging preferences
Step 3: Go to the Security settings tab
Step 4: Add a link
Ensure "Block all links" is switched off
Step 5: Enter https://app.suiteop.com and your custom URL https://subdomain.yourdomain.com
Step 6: Click Add link
