You need the following information to link your account: Consumer key, Consumer secret, Publisher ID, App ID, Ad Unit ID.
Consumer key, Consumer secret and Publisher ID: In order to obtain the consumer key, consumer secret and publisher ID, send an email to your InnerActive Sales Manager/Sales Engineer.
App ID and Ad Unit ID: Go to Inventory and then Manage Apps/Sites. Choose the application and the ad unit. Click on SDK and find App ID and Ad Unit ID information on the right.