In each method you pass a Sub-Account configuration data packet.
Sub-Account Onboarding Flow
Invoke GET method to inquire a Sub-Account parameters data packet by the subAccountId or by the serviceProviderId.
With the data packet you have received with the GET method you can Create a new Sub-Account using thePOSTmethod or Update an existing Sub-Account using the PUTmethod.
Take the data packet you have received with GET method and change values you wish to override.