Mass update invoice DFF

Summary:

We need to update DFF for invoice and receipts on daily basis. The volume is expected to be 50,000.

As per below notes, there's no mass update feature available and update can be done only via SOAP web service, one transaction at a time.

Doc ID 2656075.1 - ( SOAP web service with only transaction at a time )

Doc ID 2386234.1 - ( Confirms no mass update option available to update invoice )

Doc ID 2482375.1 - ( How to Update DFF - Descriptive Flexfields Within an Invoice using updateDffEntityDetails? )

Please provide clarification on below:

1. If it's ok to make these many calls at a time to update invoice DFF