DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
Hunter - Find all the email addresses related to a domain
PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
Mail Dump - Powerful Extensions for email addresses extracting, verifying and finding
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Snov.io - More leads. More sales. More revenue.