If designed to do so, chatbots can talk to each other. For instance, think of a show where chatbots play various roles and interact with one another. On the other hand, chatbots do share specific data with other applications which can be perceived as “talking” to each other.
Can chatbots talk to each other?
Further Reading
BLOG
What exactly is an AI chatbot?
BLOG
An comprehensive introduction to chatbots
BLOG
What is chatbot automation?