Amazon Simple Notification Service (SNS)

Fully managed and highly scalable messaging
Send push messages
Deliver messages instantly to applications or users and eliminate polling in your apps.

Scale as your needs grow
Start fast with three simple APIs, and deliver an unlimited number of messages

Engage audiences directly or all-at-once
Use direct-addressing to send messages to individual devices or broadcast to multiple destinations at-once.

Use your choice of platforms
Directly access SNS using iOS, Android, Java, Python, PHP, Node.js, or .NET SDKs from AWS.

Deliver worldwide and across multiple protocols
Send notifications to Apple iOS, Android and other mobile devices, and destinations like Amazon SQS queues, Lambda functions, email addresses, SMS, and HTTP endpoints.