Connecting Global Payments (Formerly Cayan/TSYS) To Your TherapyAppointment Account

Are you signed up with Global Payments for integrated credit card processing?


If so, you will need to connect your Global Payments account to your TherapyAppointment account in order to enable your ability to keep on file and process debit, credit, and HSA card card payments.

info Don't have an account? click here to get started!

Connecting your Credentials

Global Payments will provide you with your MerchantWare Credentials via an email notification arriving from: noreply@merchantware.net or noreply@tsys.com. Credentials consist of four items:

  • Name
  • Site ID
  • Key
  • Web API Key

Example email:

If you do not receive your credentials, please contact Global Payments directly to obtain them.  They can be reached at 1-800-941-6557. Let them know you are needing your Merchantware Credentials that should have been sent by email.


Once you have your credentials, you need to log in as an owner or manage role to accomplish connection: 

  • Click Practice Settings (left menu)
  • Billing & Insurance (top tab)
  • Find the very bottom section Payment Processing
  • Click the right side blue Configure link:

  • Click the right side button:


  • Re-enter your TherapyAppointment password as a security check then click Authenticate
  • Copy & paste your MerchantWare credentials exactly as shown in the email:


  • Once entered, click
🎉 Congratulations! Your credentials have been entered, and you can now begin storing and processing credit, debit and HSA cards in your TherapyAppointment account.

For more information on taking payment, please see this article: local_atm Taking a Payment.