GigaBook can accept payments via PayPal. However, unlike other payment processors, PayPal has a different setup process.
IT IS IMPORTANT THAT YOU FULLY COMPLETE ALL OF THESE STEPS!
If you haven't already connected payments within your GigaBook account visit this page and do so.
Step 1: Business Profile Settings
Login to your PayPal account and select view your profile. Click here to go straight to your profile.
Step 2: Possible Upgrade to Business Account
Step 3: Visit "My Selling Tools"
Paste your GigaBook Pay Response link into the field show here. This is your booking application URL with /pay-response at the end. You can also find this on your payment settings page.