From Microsoft’s Windows Live Dev News: Live Search Web Service and SDK Released:
Today we’re proud to announce the release of the Live Search Web Service (previously known as the MSN Search Web Service Beta). For those new to our search service, it allows developers to programmatically submit queries and retrieve results from the Windows Live Search Engine using a SOAP API.
Or just read the post for a summary. But they also want you to know that there are plenty of other Live tools available:
While we announced the Live Search API and SDK release yesterday, we’ve been posting updates to other Windows Live docs along the way more silently. Now we’re ready to officially name the collected set the Windows Live SDK. All the docs are aggregated and a number of improvements have been made, including:
A nice roundup hampered only by the proliferation of products under the Windows Live brand.