There are 2 versions of the API available. They only differ in the output of possible error messages: Version 2 supports additional information (see Error codes). Thus, it helps to better understand the type of error.
Mandatory. The trackId of the Marketing Automation account.
Mandatory. In the chapter Calling the API Information it is described how to find the desired placement ID.
Mandatory. This ID is used to identify the user for whom you want to retrieve information. Alternatively, you can use the ever ID.
The customer ID must contain the same value that you use for the customer ID in your tracking.