Question

How do you subscribe to an SNS topic and receive messages?

Answer 1

Subscribers can receive messages through various protocols including HTTP/HTTPS, Email, SMS, SQS, Lambda, etc. Below is an example of subscribing an SQS queue to an SNS topic:

import boto3

# Create SNS client
sns = boto3.client('sns')

# Subscribe SQS queue to SNS topic
response = sns.subscribe(
    TopicArn='SNS_TOPIC_ARN',
    Protocol='sqs',
    Endpoint='SQS_QUEUE_ARN'
)