Good Webex Teams developer resources for chatbots:
https://blogs.cisco.com/developer/webex-teams-apis-awesome

Webex Webhooks
https://developer.webex.com/docs/api/v1/webhooks/create-a-webhook

Buttons and Cards for Bots:
https://developer.webex.com/docs/api/guides/cards

Chatbot documentation and creation:
https://developer.webex.com/docs/bots