I already have line official account with creating at https://admin-official.line.me/. Next I've tried to create Line Message API at https://developers.line.me/. Then, I would like to have a chat bot in the first account. Is it possible to do so? How?
For LINE offcial account, in order to use it with LINE Messaging API. You have to open LINE Business Connect You can contact LINE representative who opne official account for you or submit the request via this link