PDFShift
DocRaptor
pdflayer
PDFCrowd
cloudlayer.io
HTML PDF API
Tcpdf
PDF my URL
The Simple Postcard
Mailjoy
Felt for iPhone
NanaGram
Handwrytten
Moo Postcards
MailtoUI.js
RealMailers
A powerful, fast and high-fidelity HTML to PDF conversion API.
Code examples and package ready for Node, Python and PHP developers.
Advanced features are available, including watermarking and encryption!
PDFShift The Simple PostcardDocRaptor - 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
Mailjoy - Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.
pdflayer - Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
Felt for iPhone - Handwritten cards for the modern world
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.
NanaGram - Text your photos and we'll mail 4x6 prints to your Nana.