Microsoft Curate - Universal pixel object limits

There are limits for how many audiences, conversions, custom events, and parameters you can create, as well as a data size limit for information transmitted by the parameters.

Object limits

Audiences	1000
Conversions	1000
Custom Events	100
Custom Parameters	100

Request limits

URL length	2000 characters
Items passed in an array per single parameter	200 items
Single parameter value	100 characters
Total number of parameters	100 parameters

Note

If your application ID is longer than 200 characters, the request will be processed, but the ID will be truncated. Only the last 200 characters will be kept.