AWS End User Messaging Technical Walkthrough
Overview
This solution provides a secure messaging infrastructure for handling contact form submissions via SMS using AWS messaging services.
Architecture Components
- Amazon API Gateway: Provides a secure API endpoint for the contact form
- AWS Lambda: Processes form submissions and triggers SMS sending
- Amazon SNS: Notification service for message delivery
- AWS Pinpoint: Manages SMS message sending with delivery tracking
- AWS KMS: Encrypts sensitive data
Security Features
- API Gateway with request validation
- Lambda functions with least privilege permissions
- KMS encryption for sensitive data
- IAM roles with appropriate permissions
- CloudWatch logs for audit trail
Message Flow
- User submits the contact form on the website
- API Gateway receives the request and triggers Lambda
- Lambda validates the input and sends to SNS
- SNS triggers Pinpoint to send the SMS
- Delivery status is tracked and logged
Monitoring and Logging
- CloudWatch logs capture function execution
- Pinpoint provides delivery metrics
- CloudWatch alarms can be set for error conditions