Regions and quotas for AWS Chatbot
AWS Chatbot is a global service and can be used in all commercial AWS Regions. You can combine Amazon SNS topics from multiple Regions in a single AWS Chatbot configuration.
AWS Chatbot currently supports service endpoints, however there are no adjustable quotas. For more information about AWS Chatbot AWS Region availability and quotas, see AWS Chatbot endpoints and quotas. AWS Chatbot supports using all supported AWS services in the Regions where they are available.