This endpoint lets you set the expeditor name of a business. An expeditor name is the name of the sender used to send the message. It will be seen instead of the phone number on the destination phone. An expeditor name’s length must be between 3 and 11 characters. No special characters are allowed. Your business must be subscribed to the Review Booster product.
The authentication system on Partoo API is using API Key that should be put in the header of the request (the name of the header is x-APIKey). An api_key is linked to a user. This user's role will give you different access level to the API features.