Optix can integrate with TransFirst/TSYS to process payments. To set up the integration you will first need to get some information from your TransFirst account.
Retreive your MerchantID number from either the welcome email you received or from one of your account statements
Locate your RegKey. This should have been provided at the time of registration. If you do not have it, contact TransFirst directly.
Select Apps from the left-hand menu
Scroll down and click TransFirst
Input the TransFirst MerchantID and RegKey in the corresponding fields
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