Step Functions
A serverless orchestration service that lets you combine Lambda functions and other AWS services to build business-critical applications. Visual workflow designer with built-in error handling and retry logic.
Related Application Integration Terms
API Gateway
A fully managed service that makes it easy to create, publish, maintain, monitor, and secure APIs at any scale. Supports REST APIs, HTTP APIs, and WebSocket APIs.
AppSync
A fully managed service that develops GraphQL and Pub/Sub APIs. Simplifies application development by creating a flexible API to securely access, manipulate, and combine data from multiple sources.
Dead Letter Queue (DLQ)
A queue that receives messages that cannot be processed successfully. Used with SQS, SNS, Lambda, and EventBridge to isolate problematic messages for debugging without blocking the main processing pipeline.
EventBridge
A serverless event bus that connects your applications with data from AWS services, SaaS apps, and your own applications. Build event-driven architectures with rules to route events to targets.
FIFO Queue
A type of SQS queue that guarantees messages are processed exactly once, in the exact order they are sent. Supports message groups for parallel ordered processing within the same queue.