AWS Lambda
Developer Guide

API Reference

This section contains the AWS Lambda API Reference documentation. When making the API calls, you will need to authenticate your request by providing a signature. AWS Lambda supports signature version 4. For more information, see Signature Version 4 Signing Process in the Amazon Web Services General Reference.

For an overview of the service, see What Is AWS Lambda?. For information about how the service works, see How It Works.

You can use the AWS CLI to explore the AWS Lambda API. This guide provides several tutorials that use the AWS CLI.