Skip to main content


This glossary is an alphabetical list of the core terminologies used in Wechaty.

Wechaty Definitions


Hostie is a house for the botie to live in, for hosting complicated services.


Botie is a description for a bot so that we can instantiate it later. Its abilities are always powered by Gifties.


Giftie is a module that can be attached to our Wechaty bot. It is capable to be installed into a Botie.


Learn more from MO vs. MT messaging – what is the difference between them?.

MO Message

The term MO message stands for “Mobile Originated” messaging. This type of message refers to a message sent from a mobile phone.

MT Message

The term MT message stands for “Mobile Terminated” message. This means that MT message is being terminated on the mobile phone or, to put it simply, this is a message sent from a mobile SMS provider system to the subscriber’s mobile phone.