This endpoint allows you to create a custom audience by uploading a CSV file containing user data (such as emails, phone numbers, or other identifiers). The uploaded data is processed and matched against platform records to build a targeted audience for advertising purposes.
multipart/form-data.
The following fields are expected:create (default): Create a new audience.
append: Add more entries to an existing audience. replace: Replace all
entries in an existing audience. remove: Remove entries from an existing
audience Required when modifying an existing audience.append,
replace, or remove.