Yes, you can get the city by index. Method "Retrieving information about the population point by index"
https://dev.ukrposhta.ua/uploads/Address-classifier-v3.11-28092021.pdf . Okay, then we take the index, look for the name of the city on it and substitute in the address + information on the streets. If you then need to create a TTN, then you need to deliver the index to the beginning of the address so that the address parser can parse it. 3h
Ask the client what methods he used to get a list of all cities. Simply sorted out indexes and on each infa requested? And then in the api I don’t see a method by which at least somehow a list of cities can be obtained or a list of all branches