To start using the PayPal Pro payment gateway, you’ll need to setup a Verified PayPal Premier or Business Account. If you have an existing Personal, you can upgrade your account to a Premier or Business account. To do that, first navigate to your profile icon and select Profile and settings (1) like the picture below describes:
Next, head to My business info on the left (2) and within Business information row, click Update (3)
When you have your verified account setup, you’ll need your API details to enter into Tickera PayPal Pro settings. To get your API access information head to My selling preferences and locate API Access row:
Click Update, now Choose Option 2 - Request API credentials to create your own API username and password and lastly Choose Option 1 - Request API Signature and click Agree and Submit.
Now Copy the username, password and signature that get provided and then click Done.
Then input the details from the previous step into the Tickera > Settings > Payment Gateways > PayPal PRO settings screen where requested: