Benefits of using AWS SNS over Rest API call for sending communication

Mohd Mujtaba
2 min readMay 24, 2023

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AWS SNS (Simple Notification Service) can be used for communication over REST API calls for several reasons:

  1. Scalability and Reliability: AWS SNS is a highly scalable and reliable messaging service. It can handle large volumes of messages and deliver them reliably to recipients. When making REST API calls, using SNS ensures that your messages are delivered efficiently, even during peak loads or sudden spikes in traffic.
  2. Asynchronous Communication: SNS allow you to decouple the sender and receiver of messages, enabling asynchronous communication. When making REST API calls, you can publish messages to SNS and continue with other tasks, while SNS take care of delivering the messages to the intended recipients. This asynchronous nature can help improve the responsiveness and performance of your applications.
  3. Flexible Message Delivery: SNS support multiple message protocols, including HTTP/HTTPS, email, SMS, Amazon SQS (Simple Queue Service), AWS Lambda, and more. By using SNS, you can easily send messages to different endpoints using various protocols based on your specific requirements. This flexibility is beneficial when integrating with different systems or services that expect messages in specific formats.
  4. Topic-Based Pub/Sub Model: SNS follows a publish-subscribe (pub/sub) messaging pattern. It allows you to publish messages to specific topics, and subscribers interested in those topics receive the messages. This model provides a scalable and flexible way to distribute messages to multiple recipients simultaneously. By integrating SNS with your REST API calls, you can leverage the pub/sub model to broadcast messages to multiple subscribers efficiently.
  5. Message Filtering and Fanout: SNS allow you to filter messages based on attributes or message content, and it supports message fanout. Message filtering enables subscribers to receive only the messages that match their specific criteria, reducing unnecessary processing and network bandwidth. Fanout ensures that each subscriber receives a copy of the message independently, avoiding any dependency or potential bottleneck.
  6. Fault Tolerance and Delivery Retry: SNS automatically retries message delivery in case of failures or errors. It provides built-in fault tolerance mechanisms, such as automatic retries and exponential backoff, to ensure message delivery. When making REST API calls, using SNS can help improve the reliability and robustness of your communication infrastructure.
  7. Monitoring and Logging: AWS SNS provides detailed monitoring and logging capabilities. You can track message deliveries, view delivery status, monitor performance metrics, and set up alarms based on specific thresholds. This monitoring and logging functionality can help you gain insights into your communication patterns and identify any issues or bottlenecks.

In summary, using AWS SNS for communication over REST API calls brings scalability, reliability, asynchronous communication, flexible message delivery options, a pub/sub model, filtering and fanout capabilities, fault tolerance, and monitoring/logging features. It provides a powerful and efficient way to implement messaging in your applications and systems.

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Mohd Mujtaba

SDE-2 @ | Built systems from scratch | Exploring new Technology