Hi
Greetings
Herewith I Represents Seyon Technologies
we can develop your Chat bot as a plugin , We can develop it in Firebase, Socket
We are proficient in MEAN, MERN stack Nodejs, Reactjs, Angular, MongoDB, Mysql, HTML, CSS, Adobexd, Bootstrap, Material UI, Firebase, socket, REST API, Websocket..etc
Let me know if you are interested( note: It is Ballpark price)
Thankyou!