Rest endpoint broken for alpha editor

Something in the REST api has changed, breaking the alpha editor. The page shows, but no entries are displayed for the document.
Server log indicates an error:
19:09:23,625 ERROR (default task-32) RESTEASY002010: Failed to execute: javax.ws.rs.NotFoundException: RESTEASY003210: Could not find resource for full path: http://localhost:8080/zanata/rest/project/ani/version/version1/doc/glib-networking.master.pot/status/ko