In order to add a Custom Domain to Third Party Overlay Campaign URLs, follow the simple steps listed below:
STEP 1: In your LetSpin.io Dashboard, go to ‘Settings’ and click on ‘Whitelabel Domains’.
STEP 2: Click on ‘Add New Domain’.
STEP 3: Enter the Domain Name and click on ‘Submit’.
NOTE: We recommend you not to start the domain name with ‘https’
STEP 4: After you have clicked on the submit button, follow the steps listed on the LetSpin.io Dashboard which will further guide you on - “How to point your domain to LetSpin.io”

Note: If you are unable to find what you were looking for here, please feel free to reach us anytime at support@letx.co.