Not sure about REST but you can do it with Bob Swift Confluence CLI plugin
After you install it on your client machine you can run command line command as the following example:
confluence --action addBlog --space "zconfluencecli" --title "addBlog1" --content "This is a test page." --content2 "link: [google|http://google.com]" --dayOfMonth 1 --month 2 --year 2014
Hi my Community friends! For those who don't know me, I'm a product marketer on the Confluence Cloud team - nice to meet you! For those of you who do, you know that I've been all up in your Co...
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