Development
No authHTTPSCORS
Development
unfurlr API
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unfurlr 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 ↗unfurlr.onrender.com
Online · 1336 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime
About unfurlr
unfurlr API reference: endpoints, auth, parameters, response fields, errors and code samples in curl, JavaScript and Python.
- Provider
- unfurlr
- Website
- unfurlr.onrender.com ↗
Details from unfurlr.onrender.com.
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.
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unfurlr API FAQ
Who provides the unfurlr API?
The unfurlr API is provided by unfurlr (unfurlr.onrender.com). unfurlr API reference: endpoints, auth, parameters, response fields, errors and code samples in curl, JavaScript and Python.
Is the unfurlr API free?
Yes. The unfurlr 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 unfurlr API require an API key?
Yes. The unfurlr API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the unfurlr API from the browser?
Yes. The unfurlr API supports CORS, so front-end JavaScript can call it directly.
Does the unfurlr API support HTTPS?
Yes. The unfurlr API is served over HTTPS, so it's safe to use in production.
Maintain the unfurlr API? Add a badge
Show that unfurlr is listed on Public APIs. The badge displays its developer rating once it has one.
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