I like the approach that Peter Williams has suggested. That is to use a vendor MIME media type in the Accept header to specify a required API version. At least

I like the approach that Peter Williams has suggested. That is to use a vendor MIME media type in the Accept header to specify a required API version. At least your URL stays the same. As it should be, because your resource is still the same. http://barelyenough.org/blog/2008/05/versioning-rest-web-services/ http://barelyenough.org/blog/2008/05/versioning-rest-web-ser...