Deleting an Amazon SNS topic and subscription - Amazon Simple Notification Service

Deleting an Amazon SNS topic and subscription

When a topic is deleted, its associated subscriptions are deleted asynchronously. While customers can still access these subscriptions, the subscriptions are no longer associated with the topic–even if you recreate the topic using the same name.

If a subscriber attempts to publish a message to the deleted topic, the publisher will receive an error message indicating that the topic doesn't exist. Similarly, any attempt to subscribe to the deleted topic will also result in an error message.

You can't delete a subscription that's pending confirmation. Amazon SNS automatically deletes unconfirmed subscriptions after 48 hours.

To delete an Amazon SNS topic or subscription using the AWS Management Console

To delete a topic using the AWS Management Console
  1. Sign in to the Amazon SNS console.

  2. In the left navigation pane, choose Topics.

  3. On the Topics page, select a topic, and then choose Delete.

  4. In the Delete topic dialog box, enter delete me, and then choose Delete.

    The console deletes the topic.

To delete a subscription using the AWS Management Console
  1. Sign in to the Amazon SNS console.

  2. In the left navigation pane, choose Subscriptions.

  3. On the Subscriptions page, select a subscription with a status of Confirmed, and then choose Delete.

  4. In the Delete subscription dialog box, choose Delete.

    The console deletes the subscription.

To delete a subscription and topic using an AWS SDK

To use an AWS SDK, you must configure it with your credentials. For more information, see The shared config and credentials files in the AWS SDKs and Tools Reference Guide.

The following code examples show how to use DeleteTopic.

.NET
AWS SDK for .NET
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

Delete a topic by its topic ARN.

/// <summary> /// Delete a topic by its topic ARN. /// </summary> /// <param name="topicArn">The ARN of the topic.</param> /// <returns>True if successful.</returns> public async Task<bool> DeleteTopicByArn(string topicArn) { var deleteResponse = await _amazonSNSClient.DeleteTopicAsync( new DeleteTopicRequest() { TopicArn = topicArn }); return deleteResponse.HttpStatusCode == HttpStatusCode.OK; }
  • For API details, see DeleteTopic in AWS SDK for .NET API Reference.

C++
SDK for C++
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

//! Delete an Amazon Simple Notification Service (Amazon SNS) topic. /*! \param topicARN: The Amazon Resource Name (ARN) for an Amazon SNS topic. \param clientConfiguration: AWS client configuration. \return bool: Function succeeded. */ bool AwsDoc::SNS::deleteTopic(const Aws::String &topicARN, const Aws::Client::ClientConfiguration &clientConfiguration) { Aws::SNS::SNSClient snsClient(clientConfiguration); Aws::SNS::Model::DeleteTopicRequest request; request.SetTopicArn(topicARN); const Aws::SNS::Model::DeleteTopicOutcome outcome = snsClient.DeleteTopic(request); if (outcome.IsSuccess()) { std::cout << "Successfully deleted the Amazon SNS topic " << topicARN << std::endl; } else { std::cerr << "Error deleting topic " << topicARN << ":" << outcome.GetError().GetMessage() << std::endl; } return outcome.IsSuccess(); }
  • For API details, see DeleteTopic in AWS SDK for C++ API Reference.

CLI
AWS CLI

To delete an SNS topic

The following delete-topic example deletes the specified SNS topic.

aws sns delete-topic \ --topic-arn "arn:aws:sns:us-west-2:123456789012:my-topic"

This command produces no output.

  • For API details, see DeleteTopic in AWS CLI Command Reference.

Go
SDK for Go V2
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

// SnsActions encapsulates the Amazon Simple Notification Service (Amazon SNS) actions // used in the examples. type SnsActions struct { SnsClient *sns.Client } // DeleteTopic delete an Amazon SNS topic. func (actor SnsActions) DeleteTopic(topicArn string) error { _, err := actor.SnsClient.DeleteTopic(context.TODO(), &sns.DeleteTopicInput{ TopicArn: aws.String(topicArn)}) if err != nil { log.Printf("Couldn't delete topic %v. Here's why: %v\n", topicArn, err) } return err }
  • For API details, see DeleteTopic in AWS SDK for Go API Reference.

Java
SDK for Java 2.x
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.sns.SnsClient; import software.amazon.awssdk.services.sns.model.DeleteTopicRequest; import software.amazon.awssdk.services.sns.model.DeleteTopicResponse; import software.amazon.awssdk.services.sns.model.SnsException; /** * Before running this Java V2 code example, set up your development * environment, including your credentials. * * For more information, see the following documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class DeleteTopic { public static void main(String[] args) { final String usage = """ Usage: <topicArn> Where: topicArn - The ARN of the topic to delete. """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String topicArn = args[0]; SnsClient snsClient = SnsClient.builder() .region(Region.US_EAST_1) .build(); System.out.println("Deleting a topic with name: " + topicArn); deleteSNSTopic(snsClient, topicArn); snsClient.close(); } public static void deleteSNSTopic(SnsClient snsClient, String topicArn) { try { DeleteTopicRequest request = DeleteTopicRequest.builder() .topicArn(topicArn) .build(); DeleteTopicResponse result = snsClient.deleteTopic(request); System.out.println("\n\nStatus was " + result.sdkHttpResponse().statusCode()); } catch (SnsException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
  • For API details, see DeleteTopic in AWS SDK for Java 2.x API Reference.

JavaScript
SDK for JavaScript (v3)
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

Create the client in a separate module and export it.

import { SNSClient } from "@aws-sdk/client-sns"; // The AWS Region can be provided here using the `region` property. If you leave it blank // the SDK will default to the region set in your AWS config. export const snsClient = new SNSClient({});

Import the SDK and client modules and call the API.

import { DeleteTopicCommand } from "@aws-sdk/client-sns"; import { snsClient } from "../libs/snsClient.js"; /** * @param {string} topicArn - The ARN of the topic to delete. */ export const deleteTopic = async (topicArn = "TOPIC_ARN") => { const response = await snsClient.send( new DeleteTopicCommand({ TopicArn: topicArn }), ); console.log(response); // { // '$metadata': { // httpStatusCode: 200, // requestId: 'a10e2886-5a8f-5114-af36-75bd39498332', // extendedRequestId: undefined, // cfId: undefined, // attempts: 1, // totalRetryDelay: 0 // } // } };
Kotlin
SDK for Kotlin
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

suspend fun deleteSNSTopic(topicArnVal: String) { val request = DeleteTopicRequest { topicArn = topicArnVal } SnsClient { region = "us-east-1" }.use { snsClient -> snsClient.deleteTopic(request) println("$topicArnVal was successfully deleted.") } }
  • For API details, see DeleteTopic in AWS SDK for Kotlin API reference.

PHP
SDK for PHP
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

require 'vendor/autoload.php'; use Aws\Exception\AwsException; use Aws\Sns\SnsClient; /** * Deletes an SNS topic and all its subscriptions. * * This code expects that you have AWS credentials set up per: * https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/guide_credentials.html */ $SnSclient = new SnsClient([ 'profile' => 'default', 'region' => 'us-east-1', 'version' => '2010-03-31' ]); $topic = 'arn:aws:sns:us-east-1:111122223333:MyTopic'; try { $result = $SnSclient->deleteTopic([ 'TopicArn' => $topic, ]); var_dump($result); } catch (AwsException $e) { // output error message if fails error_log($e->getMessage()); }
  • For API details, see DeleteTopic in AWS SDK for PHP API Reference.

Python
SDK for Python (Boto3)
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

class SnsWrapper: """Encapsulates Amazon SNS topic and subscription functions.""" def __init__(self, sns_resource): """ :param sns_resource: A Boto3 Amazon SNS resource. """ self.sns_resource = sns_resource @staticmethod def delete_topic(topic): """ Deletes a topic. All subscriptions to the topic are also deleted. """ try: topic.delete() logger.info("Deleted topic %s.", topic.arn) except ClientError: logger.exception("Couldn't delete topic %s.", topic.arn) raise
  • For API details, see DeleteTopic in AWS SDK for Python (Boto3) API Reference.

SAP ABAP
SDK for SAP ABAP
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

TRY. lo_sns->deletetopic( iv_topicarn = iv_topic_arn ). MESSAGE 'SNS topic deleted.' TYPE 'I'. CATCH /aws1/cx_snsnotfoundexception. MESSAGE 'Topic does not exist.' TYPE 'E'. ENDTRY.
  • For API details, see DeleteTopic in AWS SDK for SAP ABAP API reference.