The Issuu Java SDK by Christophe Ribeiro is a work in progress to interact with the document publishing features of the API. However, it does include resources to access Key and Secret for testing purposes.
The big API day is finally here for the New York Times. After launching a series of interesting and useful APIs since last fall, covering everything from campaign finance to movie reviews, they've now released their most important API to date: their Article Search API. With this new web service, developers now have access to 2.8 million articles from the paper of record dating from 1981 through today (our Article Search profile). This API should be a terrific source for a wide range of mashups and third party applications.