Contact your baidu Account Manager to initiate the API activation process.
Baidu my evaluate your account based on spend,keyword volume, and developer capabilities to determine if you qualify for API Acess
The Baidu help centre describes the criteria used to determine if you qualify for API access and the activation process itself.
When baidu notifies you that API Access has been activated, sign into the profile section of the Baidu Business Development center to access your API token.
Then you need to contact your Baidu Account Manager to have http://pixel.everesttech.net added to the list of authorized tracking domains.This is the domain Adobe uses to redirect clicks for tracking purpose.