Insert data into detail through API even when detail is not activated for GUI.

Related products: Indicium Service Tier

As a result of this thread: 

I would like to see the API call function for detail inserts even when the actual reference is not shown in the GUI. Because it doesn't make sense and we have to create unnecessary API variants to not show the reference in the GUI, but to have the ability to insert data via an API.. (direct insert doesn't work because of our hidden tenant_id in the key)..  

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