What if you want to send 1 message to many different recievers (or services)? In that case this is the service you are looking for.

• The event publishers only send message to one SNS topic.
• We can have as many event-subscribers as we want to the SNS topic Notification.
• Each Subscriber to the topic will get all the messages.
• Upto 12,500,000 subscription/topics & Upto 100,000 topics limit for each account