`/auth/refresh` endpoint doc is at https://jwt-auth-proxy.readthedocs.io/en/latest/user-facing/#refresh-access-token Refresh endpoint is for obtaining a valid accessToken with an expired accessToken and a valid refreshToken. # To reproduce 1. obtain an accessToken and refreshToken pair through login 2. wait until accessToken is expired 3. send refresh request # Expected behavior The server returns a valid accessToken # Actual behavior The server returns 401 # Possible cause Refresh requests go through a expiration check during [VerifyJwtMiddleware](https://github.com/virtualzone/jwt-auth-proxy/blob/6d8bff8a751d58e54982791935efdf8aad0eaeb9/src/routes.go#L154) function.