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Polished and type-safe SDKs, Terraform providers and Contract Tests for your API. 10 Languages and counting.

• SDK code that looks like you wrote it. Optimised for performance, debuggability and modern idiomatics.
• Complete Terraform Providers built on a Type-safe Go SDK.
• Contract Test generation with a pre built mock-server (Powered by Arazzo)
• Generate clean code-samples for syncing with API docs.
• Make npm install your-api. Manage versioning and publishing to package managers
• Modern OpenAPI 3.X toolchain for linting, cleaning, diff-ing and editing specs. (Powered by Overlays)

Check out the roadmap for whats coming up soon!

Install Speakeasy CLI via:

• Homebrew
• Winget
• Chocolatey
• Shell Script / GitHub Actions
• Docker

Refer to the Speakeasy CLI installation documentation for more information. CLI releases are also directly available in the repository releases.

Refer to the Speakeasy CLI Reference for usage documentation. Additionally, every CLI command and subcommand supports a --help flag for usage information.

Use Speakeasy directly within Claude Code with our official plugin.

# Add the Speakeasy marketplace
/plugin marketplace add speakeasy-api/speakeasy

# Install the plugin
/plugin install speakeasy

Once installed, you can use Speakeasy skills directly in Claude Code:

/speakeasy:check-workspace-status    # View current Speakeasy setup
/speakeasy:validate-openapi-spec     # Validate an OpenAPI spec
/speakeasy:start-new-sdk-project     # Initialize a new SDK project