Serverless REST API - AWS Multi-AZ Architecture

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About This Architecture

Multi-AZ serverless REST API combining API Gateway, Lambda functions across two availability zones, and DynamoDB with VPC endpoints for secure data access. Client requests flow through AWS WAF and Cognito user pool authentication before routing to Lambda handlers for CRUD operations on the Items table. CloudWatch and X-Ray provide observability, while Secrets Manager and KMS enforce encryption and credential management across the architecture. Fork this diagram to customize Lambda concurrency, add additional AZs, or integrate Step Functions for complex workflows.

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How do I design a production-ready serverless REST API on AWS with multi-AZ resilience and security?

This diagram shows a complete serverless REST API spanning two availability zones with Lambda functions handling CRUD operations, API Gateway routing authenticated requests via Cognito, and DynamoDB accessed securely through VPC endpoints. AWS WAF protects the API, while CloudWatch and X-Ray provide observability, and KMS encrypts data at rest.

Serverless REST API - AWS Multi-AZ Architecture

AWSadvancedserverlessLambdaAPI GatewayDynamoDBmulti-AZ
Domain: ServerlessAudience: AWS serverless architects designing multi-AZ REST APIs with Lambda and DynamoDB
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Created by

March 12, 2026

Updated

March 12, 2026 at 12:12 PM

Type

architecture

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