cdk.dev (@cdk.dev)

AWS AppSync releases CDK L2 constructs to simplify creating WebSocket APIs AWS AppSync Events allows developers to create serverless WebSocket APIs that can broadcast real-time data to millions of subscribers without managing infrastructure or connection state. Developers simply create their API, and publish events without having the worry about scale and handling fan-out. Today, AWS AppSync announces the release of AWS Cloud Development Kit (CDK) L2 constructs for AWS AppSync Events, enabling developers to programmatically create and manage Event APIs and channel namespaces using infrastructure as code. These new constructs simplify the process of creating Event APIs and managing access controls, reducing the complexity of integrating real-time capabilities into applications. The new L2 constructs provide a higher-level abstraction that makes it easier for developers to define AppSync Event APIs and their associated channel namespaces using familiar programming languages. Developers can now easily grant access to specific channel namespaces to AWS resources such as AWS Lambda functions, streamlining the integration between services. This eliminates the need to manually configure complex IAM permissions and reduces the potential for security misconfigurations. These CDK L2 constructs are available in all AWS Regions where AWS AppSync is available. To get started with the new AWS AppSync Events CDK L2 constructs, visit the AWS CDK API Reference documentation. https://aws.amazon.com/about-aws/whats-new/2025/02/aws-appsync-cdk-l2-simplify-websocket-apis/