Hacker News Reader

The lack of open/cheap APIs is probably the biggest factor that keeps innovation in travel so slow.

My company, Adioso (YC W09) has a free API in beta. It's what's used to power http://destmapper.com/. Coverage is limited but soon to start expanding rapidly. Email me - tom at adioso dotcom - if you're interested.

Kayak has an api (limited to 1000 searches / day): http://www.kayak.com/labs/api/search/

I believe that Orbitz will require you talk to someone in order to get access to their api.

Thanks for that info. That's a great start for what I'm looking for.

While Orbitz might offer an API, I believe that underneath the hood they also use ITA. ITA currently have no competitors in this space.

You should check out Everbread http://eu.techcrunch.com/2010/03/23/stealth-travel-search-en...

A really really impressive piece of technology.