The body shouldn’t be curl.
You need to start with this:
Put your correct API key in there and don’t add the colon ‘:’ after Authorization, it will do that for you when you click the Add button
Then you can use these options in the create object component https://pdfcrowd.com/doc/api/html-to-pdf/http/#reference
like this:
I don’t have a valid API key but that should return a URL which you can put in an “Open Link” Control Component 
