Occasional 400 errors on eyeballs

POST https://gitter.im/api/v1/eyeballs 400 (Bad Request)

f.support.cors.a.crossDomain.send core-libraries.min.js:211 f.extend.ajax core-libraries.min.js:205 g router-chat.min.js:347 a router-chat.min.js:348 (anonymous function) router-chat.min.js:349 f.event.dispatch core-libraries.min.js:158 l.handle