Please follow the below steps to setup your CIM integration manager within Authorize.net.
Select Account Login to log into your account.
From the main screen, Locate the CIM icon on the main page, and click the hyper link.
4. The next page will inform you of what CIM is and to sign up at the bottom of the page.
5. The last step of the process is to read the terms of agreement. Once you have read and agreed to the terms, Select I Agree to finalize the process.
6. Once you agree, the confirmation notice will appear. Select the hyperlink on the bottom to view all items tied to your Authorize.net account.
7. Once you reach your CIM menu, your items will appear as shown below. Click on the account number to open up specific information regarding the profile ID.