Allegro.io is not supported from 30th of July
As of the 30th of July we allegro.io domain no longer will be supported.
If you still use allegroapi.io to communicate with REST API,
you should update the domain address to api.allegro.pl in your system.
Aby przejść na domenę api.allegro.pl wystarczy w adresie wywołania zmienić wartość: To switch on the address change in the call domain from: https://allegroapi.io/ to https://api.allegro.pl/
You can find more details about available addresses for calling the methods and the authorization process in our guide.