If you support or are planning to support x-callback-url, please let us know at info _at_ x-callback-url _dot_ com, or @xcallbackurl.
Apps with x-callback-url interfaces (links to API documentation)
- Google Chrome
- Tumblr for iOS
- TextExpander Touch
- Scanner Go
- iCab Mobile
- Launch Center Pro
- Kippster for Kippt
Know of an app supporting x-callback-url not list here? Please let us know!
A directory of apps supporting x-callback-url is maintained at handleOpenURL.com, and excellent resource for finding out about all sorts of great URL actions available on iOS.