PDFFleet
HTML and URL to PDF API with templates and a free tier

HTML, Markdown or a URL to PDF or PNG, with a no-key demo endpoint and a free tier.
PDFMint API is a free Documents & Productivity API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
Reference for the PDFMint API: /v1/pdf, /v1/image, /v1/merge, /v1/me and /v1/templates — every option and error code, with curl, Node.js, Python and n8n.
Details from pdf.mintapis.com.

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HTML and URL to PDF API with templates and a free tier
The PDFMint API is provided by PDFMint (pdf.mintapis.com). Reference for the PDFMint API: /v1/pdf, /v1/image, /v1/merge, /v1/me and /v1/templates — every option and error code, with curl, Node.js, Python and n8n.
Yes. The PDFMint 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 PDFMint API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The PDFMint API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The PDFMint API is served over HTTPS, so it's safe to use in production.