There is no authentication for Target Delivery APIs.
This API does not process cookies or redirect calls.
Support for Automated Personalization (AP) and Recommendations activities: This API has two modes for fetching content: execute and prefetch mode. Prefetch mode can only be used for AB Test and Experience Targeting (XT) activities. Do not use prefetch mode for Automated Personalization (AP), Auto-Allocate, Auto-Target, or Recommendations activity types.