Dopplr can has API.
The second part of Gareth's series for Digital Web on APIs. This time he's got some PHP code samples for parsing XML and JSON.
PayPal has a new competitor. Amazon is now offering a payment services to developers.
I'm loving this mashup of lolcats, Twitter and Flickr. Occasionally the text and the picture matches up in a serendipitously hilarious way.
Multimap's API is now open and free as in beer (as long as the traffic is within reasonable bounds). This is good stuff. And they're all in with the Open Street Map guys too.
Track Cindy and Jason on their trip across the country... mashup style.
Aral just posted his extensions to the Twitter API.
A nice collection of royalty free texture photos using the Flickr API.
Machine tags will now be available through the Flickr API (that's triple tags to you and me).
Dave Winer doesn't get JSON.
A nifty mashup in which Twitter bots update twice a day with weather updates. I am now friends with Brighton Weather. I feel so in touch with nature.
Users of the Google API take note: you're okay, but anyone else who wants to put Google search on their site is screwed.
Users of the Flickr API take note: the path to images has changed.
A cool way of looking at photos from your Flickr contacts, built using the Flickr API by Jason Garber and Jeremy Carbaugh (who are here with me at Refresh Orlando).
Here's an API for accessing material that is censored in countries like China or Iran.You can use this API to republish that information on other sites, circumventing the censorship.
The W3C Validator now has an API. It's SOAP only unfortunately, but this could still prove to be immensely useful for rolling into a CMS.
This new method in the Flickr API could be used to create some fun zeitgeist-driven mashups.
Hallelujah! I've been waiting for Flickr to add this method. Now the API is truly complete.
You can now get responses from the Flickr API formatted as JSON.
Jonathon has found some circumstantial evidence of an API for searching the iTunes music store. That could be really interesting. It might be fun to mash it up with Amazon's API.
Cameron has written a great article on using APIs with Ajax. I love the idea of using .htaccess to fake a proxy and get around the same-site restriction.
Version 2 of Google's Maps API is out. Changes, changes, read all about it.
As a follow-up to my post about Yahoo's term extractor, I should point out that Tagyu also has an API. It's RESTful and simple.
Make Flickr photos into magazine covers - another fun use of the API.
CNET's News.com explains why web services are so cool.
A handy guide to using a wrapper for the Google Maps API.
A very cool mashup of two APIs: events from EVDB and maps from Google Maps.
This is cool and frightening in equal measures. Eric uses the Google API to demonstrate the effect of nuclear detonations on American cities.
PayPal moves into the territory of merchant accounts. With an API no less!
The BBC is going to be offering an API. Hallelujah!
Tim Bray on the politics and practicalities of Web services.