Incoming webhooks support. You can integrate easily any third party API providers. https://doc.livehelperchat.com/docs/development/incoming-webhooks
For update just follow standard update procedure For manual update it's update_240.sql
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!