Public APIs
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Cutt.ly

URL Shorteners

URL shortener service.

Cutt.ly's website screenshot

About Cutt.ly

Cutt.ly provides a URL shortening API accessed via GET requests to a single endpoint (https://cutt.ly/api/api.php). It supports shortening links, assigning custom short-link aliases, and using branded domains for accounts on a paid subscription plan. Requests require an API key generated from the user's account settings, and responses are returned as JSON containing status codes, the shortened link, the original link, the page title, and the shortening date.

Additional request parameters allow disabling automatic page title retrieval (Team Enterprise plan) and enabling public click statistics for a shortened link (Single plan and above). The API enforces authentication via API key, monthly link limits, and request rate limits, returning specific error responses for invalid keys, expired subscriptions, unowned domains, or exceeded limits.

The service is aimed at developers who need to integrate link shortening, branded short links, and basic link management into their own applications or workflows programmatically.

Key features

  • Shorten URLs via a simple GET request to the Cutt.ly API
  • Set a custom alias (back-half) for shortened links
  • Use a branded domain for shortened links with a paid subscription
  • Retrieve URL statistics for shortened links
  • Get JSON responses including short link, full link, title, and shortening date
  • Disable page title fetching for faster API response (Team Enterprise plan)

Frequently asked questions

Is there a free tier?

The API is available to registered users, but features like branded domains and disabling title fetching require a paid subscription plan.

How do I authenticate API requests?

You authenticate using an API key generated on the Edit Account page, passed as the key parameter.

What programming languages are supported for integration?

The documentation provides sample requests in PHP, C#, Java, and Python.

What happens if I exceed my usage limits?

You receive a status 8 response when you reach your monthly link limit, or a 429 error if you exceed API rate limits, and you're prompted to upgrade your subscription plan.

Who is this API for?

It is for registered users who want to shorten, manage, and analyze URLs programmatically, with branded domain support for paid subscribers.

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