Setup your merchant account with Integrate Payments First.
Click "Settings" in the top right corner of the Inflatable Office login.
On the left side Navigation under "Pricing" click "Payment Options".
In the bottom right hand corner click the "Edit" link.
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.