The URL expects that the system calling the API knows what the id is- which means they’d have to store the id at their end. The ID will be Zinrelo Generated ID.
Note: You can get a Zinrelo Generated ID through the Create a Loyalty Member API and the List Members API. It is the unique ID that every member is associated with.
This is the latest version of the Retrieve a Loyalty Member API. If you are still using the older version, click here.