A Target API Document is available for this information.

Where can I find information regarding Target's API?

The rule 'campaign entry' is always recommended. Counts at least once on engagement measurement.

What are some recommendations on how to create an effective segment in Target?

Campaign level - only for email campaign and show static page/experience;Location level - Explicit logic (if something is shown or not);and Experience Level - Targeted experience (what content is actually shown).

What are the different kinds of Targeting logic?

There is an expected data variance between Target and Analytics because the first is a visitor-based metric system, while the latter is an impression-based metric system. See About Data Variances and Expected Data Variances for additional information.

Why is there a difference between data I see in Adobe Target and data I see in Adobe Analytics?

One of the following probably occurred between the time the simulations were generated, so the estimated clicks or revenue at various spend levels may have changed:The daily cost model was computed using the latest traffic data.The daily revenue model was computed using the latest revenue data. AdLe...

I ran multiple simulations for the same portfolio today, and the estimates are different for each. Why?