SNS
List SNS Topics
aws sns list-topics | jq -r '.Topics[] | .TopicArn'
arn:aws:sns:ap-southeast-1:987654321:backend-api-monitoring
arn:aws:sns:ap-southeast-1:987654321:dynamodb-count-check
arn:aws:sns:ap-southeast-1:987654321:partner-integration-check
arn:aws:sns:ap-southeast-1:987654321:autoscale-notifications
Publish to SNS Topic
aws sns publish --topic-arn arn:aws:sns:ap-southeast-1:987654321:backend-api-monitoring \
--message "Panic!!!" \
--subject "The API is down!!!"