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

List SNS Topic and related Subscriptions

aws sns list-subscriptions | jq -r '.Subscriptions[] | .TopicArn+" "+.Protocol+" "+.Endpoint'

arn:aws:sns:ap-southeast-1:autoscale-notifications    lambda  arn:aws:lambda:function:autoscale-function
arn:aws:sns:ap-southeast-1:backend-api-monitoring     email   alert@mdminhazulhaque.io
arn:aws:sns:ap-southeast-1:dynamodb-count-check       email   alert@mdminhazulhaque.io
arn:aws:sns:ap-southeast-1:partner-integration-check  lambda  arn:aws:lambda:function:partner-function
arn:aws:sns:ap-southeast-1:autoscale-notifications    lambda  arn:aws:lambda:function:autoscale-function

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!!!"