What is AWS Lambda?

AWS Lambda is a serverless compute service that runs your code in response to events and automatically manages the underlying compute resources. You can run code for virtually any type of application or backend service without provisioning or managing servers. Lambda executes your code only when needed and scales automatically from a few requests per day to thousands per second. You pay only for the compute time consumed. Lambda supports multiple programming languages and integrates with other AWS services, making it ideal for building microservices, data processing, and event-driven applications.