APITemplate.io vs Lorem Picsum

APITemplate.io lets teams design reusable HTML or drag-and-drop templates in a browser editor, then render them into images or PDFs on demand through a REST call, Zapier, Make, or n8n. Requests send JSON overrides for named text, image, and color elements (with Jinja2 available for PDF templating) and get back a hosted download URL for the generated PNG or PDF. A free plan covers 50 image/PDF renders and 3 templates a month, with paid PDF and image plans scaling to tens of thousands of documents.

Lorem Picsum serves placeholder photos by encoding the size, and optionally a specific image ID or a seed, directly into the request URL — no signup or key required. Every photo comes from Unsplash's library, and query parameters can request a grayscale or blurred variant, a JPEG or WebP file extension, or a random cache-busting suffix for multiple images at one size. A companion /v2/list JSON endpoint returns the full photo catalog with author and dimension metadata for browsing before you hotlink.