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.
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
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
AWS Amplify - JavaScript library for app development using cloud services
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
AWS Mobile Services - Storage, Analytics, Push Notif. & SMS Delivery SDKs