Bulk Import API: Malformed Multipart Body Error

Hello,

I have followed the below link for bulk import.

https://shopify.dev/api/usage/bulk-operations/imports

I have written an Azure service for creating/updating products by following the above link. It was working fine for a good 11 months as it was using AWS to upload the file.

However, Shopify has changed the bulk import technique from AWS to Google. This is where the problem starts.

I am getting the following error message.

“Malformed multipart body.”

Please see the code snippet that I am using.

var headers = new[]
                {
                    new KeyValuePair

Could someone please let me know what exactly I have to do to fix this issue? Thanks in advance.