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Documents & Productivity

Render HTML or JSON templates (invoice, receipt, certificate) to PDF.

SlipKiln API is a free Documents & Productivity API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication
apiKey
HTTPS
Yes
CORS
Yes
Uptime (30 days)
Up

Online · 1927 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About SlipKiln

SlipKiln API reference: authentication, endpoints, templates, errors and limits.

Provider
SlipKiln
Website
slipkiln.com ↗

Details from slipkiln.com.

Key facts

  • Callable from the browser (CORS)
  • HTTPS
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SlipKiln API FAQ

Who provides the SlipKiln API?

The SlipKiln API is provided by SlipKiln (slipkiln.com). SlipKiln API reference: authentication, endpoints, templates, errors and limits.

Is the SlipKiln API free?

Yes. The SlipKiln 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.

Does the SlipKiln API require an API key?

Yes. The SlipKiln API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the SlipKiln API from the browser?

Yes. The SlipKiln API supports CORS, so front-end JavaScript can call it directly.

Does the SlipKiln API support HTTPS?

Yes. The SlipKiln API is served over HTTPS, so it's safe to use in production.

Maintain the SlipKiln API? Add a badge

Show that SlipKiln is listed on Public APIs. The badge displays its developer rating once it has one.

SlipKiln on Public APIs

Markdown

[![SlipKiln on Public APIs](https://publicapis.lol/badge/slipkiln.svg)](https://publicapis.lol/apis/slipkiln)

HTML

<a href="https://publicapis.lol/apis/slipkiln"><img src="https://publicapis.lol/badge/slipkiln.svg" alt="SlipKiln on Public APIs" height="20"></a>