Rendlet API

HTML or JSON templates (invoice, itinerary) to PDF; free tier 100 docs/month.

Rendlet API is a free Development 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
Category: Development
Uptime (30 days): 100%

Visit documentation ↗rendlet.com

Online · 1427 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

Key facts

100% uptime (30 days)
Callable from the browser (CORS)
HTTPS

Unified API suite · now live

Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.

Explore the API suite→Free tier on every API

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Rendlet API FAQ

Is the Rendlet API free?

Yes. The Rendlet API is listed in the Development 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 Rendlet API require an API key?

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

Can I call the Rendlet API from the browser?

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

Does the Rendlet API support HTTPS?

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

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