PUBLIC MARKS with tags calendar & rest

The 30 Boxes API is open for non-commercial application development. Remember we are still in beta; we will change, update, and add methods as we recieve your feedback! More to come soon...

nightlife, clubbing, parties, gigs, festivals events listings for many cities worldwide + data feeds, web services, blogs, forums, directory, music reviews & more. Post your public events (its free). You can use the forms, an ical client, or submit your a data feed of your public events or use the rss, ical, hcalendar or javascript feeds to display events for your city and your favourite categories. check http://www.spraci.com/api for more info about syndication and data feeds. SPRACI has been online and evolving since 1994.

Upcoming.org's open API currently supports a RESTful interface, that essentially means you can send an HTTP GET or POST to call exposed methods, and you'll get back an XML document in return.