How to Bulk Update Field in Supplier Site-Level Bank Details (e.g., Assignment Inactive On)

Hi all,

I would like to know the recommended approach for bulk updating a specific field (e.g., Assignment Inactive On) under supplier site-level bank details in Oracle Fusion.

We have several suppliers where this field needs to be updated and doing it manually one by one is not scalable.

I tried checking the REST API /externalBankAccounts and related endpoints, but faced limitations:

• PartyId and SupplierName are not queriable.
• Querying using q=SupplierName='...' returns an invalid URL error.

Goal:
Update Assignment Inactive On in bulk — ideally using REST API, FBDI, or any supported tool/script.

Questions:

1. Is there any