Service in 2.0 doesnt work

I had this service set up for Stripe payments on my older 1.x DSP and it was working, but now on the new 2.0 dreamfactory it doesnt work anymore. I get the error “Unrecognized payload type” but I have no idea how to fix this?

Could you provide a sample request and response?

Here’s the request:

And the response:

Check the request Content-Type. Why is it not application/json?