check this 2

```
app.use(`/${API_VERSION}/authentication`, authentication_router.router);
app.use(`/${API_VERSION}/events`, events_router.router);
```

https://github.com/KinToday/kin-api-server/blob/master/src/api_server/api.js

Open the linked src/api_server/api.js and inspect the app.use routes for authentication and events. The issue does not state what is wrong or what should change, so first determine the intended behavior and a reproducible failure; completion cannot be defined from the current report.

Written by the indexing model from the issue text.