Apps similar to APITemplate.io include Canva, which has a free version. Other options are Fotor, Aktivisda, Photomator and Baseline. There's no shortage of Graphic Design Tools like APITemplate.io, with more than 25 alternatives for the web, Mac, iPhone, iPad and self-hosting.
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.
Enables automated creation of on-brand images, PDFs and videos from reusable templates, integrating via API, SDKs, or no-code tools with brand kit, dynamic URLs, workflow scheduling, asset management, AI tools and publishing to multiple platforms.
Design document templates visually and generate PDFs, PNGs, and SVGs at scale via API — powered by Typst, not browser-based rendering.
DocsFold allows you to auto-generate social media images, banners and PDF documents from reusable templates, using our simple API or integrations, like Zapier.
Portugal
EU
Switchboard Canvas is an API-driven dynamic image generator. First, create a responsive template, then use the API to create images from it replacing elements dynamically. Every template works at any resolution, and you can create multiple images at different sizes with one API...
Build PDF workflows in minutes, not sprints. Skip the Figma-to-HTML-to-PDF nightmare. Design templates with AI, tweak visually or in code, then generate invoices, reports, and contracts.
Brazil
TemplateTo's drag and drop template builder and PDF generation empowers businesses to automate document generations.
The Supportivekoala API helps you and your team automate social media visuals, marketing images more
Self-hosted OpenGraph social link preview image generator. Open Source (Apache 2), fully customizable. Analytics dashboard included to track social sharing across all channels.
United States
RenderPix is a developer-first HTML-to-image API. POST any HTML, get back a pixel-perfect PNG, JPEG, or WebP — no templates, no SDK required.
Türkiye
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.
GermanyEU
