Render PDFs and images from HTML (Jinja2, Liquid, Handlebars) or Word templates, with a free tier.
Formfeed 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.
Base URL, authentication, request and response conventions, headers, pagination, idempotency, retries, versioning, and a map of every endpoint.
Details from docs.formfeed.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.
Convert, merge, split, extract text and add page numbers for PDFs. Free for 250 documents/month
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The Formfeed API is provided by Formfeed Docs (docs.formfeed.dev). Base URL, authentication, request and response conventions, headers, pagination, idempotency, retries, versioning, and a map of every endpoint.
Yes. The Formfeed 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 Formfeed API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The Formfeed API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The Formfeed API is served over HTTPS, so it's safe to use in production.