1. An apparatus for online chats without displaying confidential information, the apparatus comprising: one or more processors; and a non-transitory computer readable medium storing a plurality of instructions, which when executed, cause the one or more processors to: send, from a first online chat participant, an information request to a second online chat participant; receive, from the second online chat participant, a response based on the information request; and notify the first online chat participant of receiving the response from the second online chat participant without displaying confidential information of the response to the first online chat participant.