unique_id

[ehsanaz]

HI
In IDE i create unique_id but in arest website its not found .
what can i do ??
for example i create ID like this : "r56f89i "
and in serial monitor i recieve this massage : connected to arest.io
but when i search http://cloud.arest.io/r56f89i its reply this massage
: {"message":"Requested device not found"}