patch https://api.revolv3.com/api/Customers/
Update a customer by their Customer ID.
This action currently accepts any number of the following fields: Merchant Customer Ref ID, first name, and last name.
Only fields present in the request will be updated.
Upon successful update, a status code of 200 (Success) will be returned.
If no existing customer with the provided Customer ID is found, a status of 404 (Not Found) will be returned.
If an invalid field or value is submitted, a status of 400 (Bad Request) will be returned.