# Amazon Simple Notification Service Documentation

Amazon Simple Notification Service (Amazon SNS) is a web service that enables applications, end-users, and devices to instantly send and receive notifications from the cloud.

- [Developer Guide](/sns/latest/dg/): Provides a conceptual overview of Amazon SNS and includes detailed development instructions for using the various features.
- [API Reference](/sns/latest/api/): Describes all the API operations for Amazon SNS in detail. Also provides sample requests, responses, and errors for the supported web services protocols.
- [Amazon SNS in the AWS CLI Reference](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/sns/index.html): Describes the command line interface for Amazon SNS in detail. Provides basic syntax, options, and usage examples for each command.

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