Render HTML, Markdown, or URLs to PNG/JPEG/WebP/PDF, with extraction and templating.
Rendex API is a free Documents & Productivity API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Render HTML, a URL, or Markdown into images and PDFs with one POST. Built for n8n, Make, Zapier, and AI agents on MCP. Batch, signed webhooks, and data templating included.
Details from rendex.dev.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Send PDFs, ZPL labels and ESC/POS receipts to your own printers from any language; free tier
The Rendex API is provided by Rendex (rendex.dev). Render HTML, a URL, or Markdown into images and PDFs with one POST. Built for n8n, Make, Zapier, and AI agents on MCP. Batch, signed webhooks, and data templating included.
Yes. The Rendex API is listed in the Documents & Productivity category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Rendex API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Rendex API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Rendex API is served over HTTPS, so it's safe to use in production.