Add contacts from a csv file to an audience

Add contacts from a csv file to an audience. Only can add users.
For removing users from an audience, there is other endpoint.

Adding more than a million users at a time is not recommended.

CSV format example:

email
[email protected]
[email protected]
[email protected]

CSV format example 2:

externalCode
john
eric
andrew
Language
Authorization
Header
Click Try It! to start a request and see the response here!