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Prerequisite: If you use AI-assisted development, complete Developing with AI first. Before you start: a JavaScript-compatible environment and a Dynamic environment ID from the Dynamic dashboard. New to the SDK? See Key concepts for client, extensions, and gas.

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Install the SDK

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Initialize the SDK

To quickly test the login flow, you can enable Test Accounts in Sandbox mode.
For more information about the client, check out the two in depth guides below:
For sponsored gas (no end-user gas): See ZeroDev (EVM) and SVM gas sponsorship (Solana).
Extensions at a glance: To add chain or wallet support, add the extension for your chain—e.g. EVM, Solana, ZeroDev (gasless EVM)—or see Adding extensions and the Wallets section for the full list.
Running into issues? See Troubleshooting in the Overview docs.