Connecting payment with Authorize.net To accept payments via Authorize in pickAtime, follow the steps below.  Instructions for Setting Up  Authorize : Sign in to Authorize . On the sidebar, navigate to Account / Account & API Settings . Select  API Credentials and Keys . Here you can see the  API Login ID  and  Transaction Key  sections. If you do not have a Transaction Key, you need to select the Generate New Transaction Key  button. NOTE  that if you already have a  Transaction Key,  you can use it. Copy the API Login ID  and  Transaction Key . Configure pickAtime: In pickAtime, go to  Admin UI / Event Management / Settings / Credit Card Setup . From the dropdown menu, select  Authorize.net . Paste the  API Login ID  and  Transaction Key  into the corresponding fields. Click the  "Check Credentials"  button. If successful, your Authorize integration is now active. You are now ready to begin accepting payments via Authorize through your pickAtime scheduling system.