You are here URL Shortener API - Comments offers a URL shortening service, allowing users to create short URLs for use in social media sharing environments.'s home page displays a stream of the most popular URLs with number of hits. To date has processed nearly 3 million hits from roughly 50,000 unique shortened URLs. The developer API can be accessed to retrieve specific URL information with response methods available in XML, JSON, and a serialized array. The API usage is limited to 1000 requests per day.