We're currently working on a new version of our streaming API that is faster and more scalable. We don't have a time frame on when we'll be able to release it to the public but we are hoping for soon. Our API is currently not publicly available. We are prioritising market markers when issuing streaming API accounts. If you're interested in access to this service, please contact email@example.com with some detail on your proposed application.
Odds Feeds (public)
For an XML feed of odds on all our markets, please fetch smarkets.s3.amazonaws.com/oddsfeed.xml. This feed is updated every minute. Note that this feed only includes markets and events which have at least one price.