US Patent 11763317 Method of messaging service

Disclosed is a method of messaging service. The method includes receiving, by at least one server, a chat request for creating a chatroom directed to a transaction that a user has entered into with a first entity. The method further includes creating, by the at least one server in response to receipt of the chat request, a first chatroom that is directed to the transaction and is accessible by the first entity and the user on a messaging application installed in a computing terminal such that the first entity sends one or more messages containing information about the transaction to the user via the first chatroom.