Batch people update

Use this method to update multiple person profiles with the data passed in the request body as follows:<br>1. New values for standard and custom profile attributes replace existing values on the profile. If no value is passed in the request, the attribute keeps its value.<br>2. Tags in the request are appended to the profile tag list.<br>3. New contact information (email addresses and phone numbers) in the request is appended to the contact list of the profile.<br>NOTE Array size of the batch update request is limited to 1000 persons.