Tippr is a local daily deals aggregation web site. The Tippr API exposes the site data and allows developers to integrate it with their own web sites or applications. Data includes listing of channels and a listing of current offers for a specified channel. The API uses RESTful calls and responses are formatted in XML, JSON and YAML.
The daily deal space is hot, and has been for some time now. In the past year 23 million Americans have purchased a daily deal or group coupon according to a survey conducted for the American Institute of CPAs by Harris Interactive (source). Not to mention Freelance websites, such as Freelancer and Elance, have been flooded with thousands of "Groupon clone", "daily deal site" and related job postings - a general sign that many more businesses are still trying to get in.