To interact with the LiveChat APIs, you need to provide an access token. The app you're building needs to obtain the access token from the user in order to call the LiveChat APIs on the user's behalf.
Before you jump into implementing an authorization flow in your app, make sure you understand what LiveChat Accounts is.LiveChat AccountsLiveChat Accounts API
Read about different authorization flows you can implement in your integration.Authorizating API callsAuthorization in practiceSign in with LiveChat
Scopes define access to certain resources. Your app will ask users for access to those resources during the installation.Scopes
Common questions and problems related to authorization.Authorization FAQ