KoreaCrunch

Daum released unofficial open api for blog users. It is currently implemented for XML-RPC and all XML-RPC requests should go to the following URI: http://blog.daum.net/_blog/XMLRPC.do. It’s not compatible with Blogger API or MetaWeb API, but it offers many functions for blogging.

Method lists
daum.blog.newPost.execute
daum.blog.editPost.execute
daum.blog.newComment.execute
daum.blog.newTrackback.execute
daum.blog.newPosts.execute

You can refer to http://blog.daum.net/flowerguy/1415795