Multipart data (json +file)

[Steve-Mcl]

That won't be multipart.

Check this other thread (that I found by searching multipart)...

Send a file with multipart/form-data to OctoPrint REST API

That isn't 100% true. The HTTP In node does support file uploads now - select Post and tick the box to enable file uploads. To send a multipart upload from the HTTP Request node is more work, but doable. Here's a Function that will construct a suitable message to pass to the HTTP Request node: msg.headers = { "Content-Type": "multipart/form-data; boundary=------------------------d74496d66958873e" } msg.payload = '--------------------------d74496d66958873e\r\n'+ 'Content-Disposition: fo…