post https://gateway.nium.com/api/v1/client//customer//updateCustomer
This API allows you to update the customer details subject to the following constraints:
- If compliance status equals to COMPLETED. You can only update email, mobile, delivery address details, and correspondence address details. You may NOT update the billing address.
- In other cases, you may update any of the fields.
At least one key-value pair is needed in the request body of this API.