Need REST API /WebService details to submit a budget transfer process

Summary:

We have a requirement to submit the Budget transfer process from VBCS/OIC. Is there any API /Web Service which can be used to provide the account details as a payload and can submit the transfer in fusion.

We do have a spreadsheet plug in which can be filled up and submitted but our requirement is to submit the same from a VBCS UI or an OIC Integration

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