POST multiple binary files as multipart/form-data without using the Multipart Node in KNIME HUB

Glad you managed to build a solution @akhil2698 ,

Unfortunately I did not see you message on 10 September, or I would have responded directly, and indeed a week later I was responding to a similar thread on Multipart encoding

I don’t know if either of these posts in that thread would have resolved your problem, but may also be of interest: