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CLI, SDKs, and developer sandboxes

Caraer’s developer tools support the steps between an integration idea and a working app. The interactive API reference exposes the released contract, the CLI manages app projects, and JavaScript and Python clients provide generated API types. Developer sandbox endpoints support a separate company context for development.

Your team can inspect the contract before building, validate an app locally, and test it against a known company schema. The same toolchain supports app source, functions, webhooks, and CMS modules, so related parts of an integration can live in one project.

Start with a read-only request in the API reference, scaffold a private app with the CLI, implement one function, and validate its saved result in a sandbox. Add deployment and runtime inspection once that workflow is proven.

Use the CLI reference, build an app, and test API endpoints with OAuth. Inspect developer-sandbox operations and your chosen client version against the API reference.

Generated clients are versioned contracts; upgrading can change how response data is represented. Follow relevant release notes. Sandbox requests still operate on real sandbox data, and a successful build or ready runtime should be followed by a check of the actual user workflow and saved result.