This page contains various examples of using the PDF to HTML API with HTTP POST. The examples are complete and fully functional. Read more about how to convert PDF to HTML with HTTP POST.
curl -f -u "demo:ce544b6ea52a5621fb9d55f8b542d14d" \ -o "logo.html" \ -F "input_format=pdf" \ -F "output_format=html" \ -F "file=@/path/to/logo.pdf" \ https://api.pdfcrowd.com/convert/20.10/
curl -f -u "demo:ce544b6ea52a5621fb9d55f8b542d14d" \ -o "invoice.html" \ -F "input_format=pdf" \ -F "output_format=html" \ -F "url=https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf" \ https://api.pdfcrowd.com/convert/20.10/