Setup your merchant account with Integrate Payments First.
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Click "Settings" in the top right corner of the Inflatable Office login.
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On the left side Navigation under "Pricing" click "Payment Options".
In the bottom right hand corner click the "Edit" link.
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Add your Authorize Net Logon and Transaction Key info that you obtained from Integrate Payments and click "Save".
Every merchant account will have to stay compliant by completing a SAQ Self Assessment Questionnaire every year or they will be charged a monthly PCI non compliance fee. PCI monthly & annual fees may still apply to a merchant account based on PCI Tier level of business.