PayPal in phoenix ...help! in General Discussions Posted June 3 Click on the credential tab in the PayPal dropdown. A page like below should open with two buttons. One called retrieve live credentials, and one called retrieve sandbox credentials. Click which ever one you are trying to get and complete the additional information as requested when pages open on your screen. Do nor manually fill the information in the boxes. Clicking the correct button will get the information from PayPal and auto fill in the details in the form on the page. Image shows page.