PDF-API.io provides an API for dynamic PDF generation, featuring Drag-and-Drop or HTML-to-PDF template editor, and includes no-code integrations (Zapier and more to come).
Cost / License
- Freemium
- Proprietary
Platforms
- Online

Sites and apps similar to PDFMonkey include PandaDoc, which has a free version. Other options are PDFShift, DocuGenerate, Documentero and APITemplate.io. You can choose from more than 10 Document Managers like PDFMonkey for Mac, Windows, Linux, Android and iPhone.
PDF-API.io provides an API for dynamic PDF generation, featuring Drag-and-Drop or HTML-to-PDF template editor, and includes no-code integrations (Zapier and more to come).

Design document templates visually and auto-generate print-quality PDFs — certificates, invoices, reports — from Typeform, Tally, and Google Forms responses or CSV data.



HTML PDF API is a cloud service that allows you to convert HTML to PDF using standard technologies (HTML, CSS and JavaScript). Free to try!
Formfeed turns templates and JSON into print-ready PDFs and images. Write HTML templates in Jinja2, Liquid or Handlebars in an editor whose preview paginates like the PDF, or tag the Word and PowerPoint files your team already uses.




Galley Render is a document API for agents and the programs they write. Send a template name and a JSON payload and get back a signed URL to a finished PDF, PNG or JPG.


Design document templates visually and generate PDFs, PNGs, and SVGs at scale via API — powered by Typst, not browser-based rendering.



Omni PDF helps teams create reusable PDF templates with a visual editor or AI, then generate documents instantly via API using JSON data. Perfect for invoices, certificates, contracts, proposals, and reports.



PlutoPrint is a lightweight and easy-to-use Python library for generating high-quality PDFs and images directly from HTML or XML content. It is based on PlutoBook’s robust rendering engine and provides a simple API to convert your HTML into crisp PDF documents or vibrant image...


Generate business document PDFs from JSON using the Kagyz API. Python examples for invoices, receipts, quotes, credit notes, and packing slips.
