Overview

The Notification Service is responsible for managing and delivering notifications to users and other services. It supports various notification channels such as email, SMS, push notifications, and in-app notifications. The service ensures reliable and timely delivery of messages and integrates with other services to trigger notifications based on specific events.

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Sends 2 messages

This service sends messages to downstream consumers

Receives 4 messages

This service receives messages from other services

Core features

Feature	Description
Multi-Channel Delivery	Supports notifications via email, SMS, push notifications, and in-app messages
Template Management	Customizable notification templates with dynamic content placeholders
Delivery Status Tracking	Real-time tracking and monitoring of notification delivery status
Rate Limiting	Prevents notification flooding through configurable rate limits
Priority Queue	Handles urgent notifications with priority delivery mechanisms
Batch Processing	Efficiently processes and sends bulk notifications
Retry Mechanism	Automatic retry logic for failed notification deliveries
Event-Driven Notifications	Triggers notifications based on system events and user actions

Architecture diagram

Core Concepts

Infrastructure

The Notification Service is hosted on AWS.

The diagram below shows the infrastructure of the Notification Service. The service is hosted on AWS and uses AWS Lambda to handle the notification requests. The notification is stored in an AWS Aurora database and the notification metadata is stored in an AWS S3 bucket.

You can find more information about the Notification Service infrastructure in the Notification Service documentation.