Note: When configuring this integration in Optix you will be prompted to enter 'login' and 'password'. These are not your Optix credentials nor the login information you use to access Authorize.net. They correspond to the API Login ID and Transaction Key that you will retrieve by following the steps below.
Log in to your account
Click on Account, and then Settings
Under 'Security Settings' click API Login ID and Transaction Key
Generate and make note of your API Login ID and Transaction Key
Select Apps & Integrations from the left-hand menu
Scroll down and click Authorize.net
Input your Authorize.net API login ID in the 'login' field
Input your Authorize.net Transaction Key in the 'password' field
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