AWS SAM CLI

Amazon Web Services · checked 14 Nov 2026

#5 · Cloud Service Emulators

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How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Cloud Service Emulators6.1#5 of 15

AWS SAM CLI is a command-line tool for local development and testing of serverless applications.

Pricing

AWS SAM CLIFree to install; AWS usage may incur charges · Requires AWS account, IAM credentials, AWS CLIFree

As docs.aws.amazon.com lists them, checked 14 Nov 2026.

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Runs on

Web
Windows
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Linux
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Facts

Website: aws.amazon.com
Price: Free tier
Free trial: No
AWS SAM support: AWS SAM templates receive native support for local testing, debugging, packaging, and deployment.
CDK integration: CDK applications support local testing of Lambda Event Functions after synthesis to CloudFormation templates.
CI/CD: The CLI can guide users through configuring a CI/CD deployment pipeline for an application.
Cloud monitoring: It can display deployed-resource information, retrieve logs, and use AWS X-Ray monitoring tools.
Installer integrity: AWS documents optional verification of installer integrity before installation.
Local testing: The CLI runs Lambda function code locally in a Lambda-like execution environment.
macOS limit: The native installer does not support macOS versions older than 13.x.
Prerequisites: Using the CLI requires an AWS account, IAM credentials and access key pair, and AWS CLI configured credentials.
Template framework: AWS SAM templates extend CloudFormation templates and provide shorthand syntax for serverless infrastructure.
Terraform integration: Terraform support is limited to building and local testing Lambda functions and requires generated SAM template artifacts.
Workflow: It can build, transform, deploy, debug, package, initialize, and sync serverless applications.

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