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Recommended: JavaScript SDK with React Hooks

For new React apps, we recommend the JavaScript SDK with React Hooks (@dynamic-labs-sdk/react-hooks) instead of the legacy React SDK documented here. The JS SDK comes with many benefits such as a much smaller bundle size and other optimizations. Use the React quickstart (JavaScript SDK) to get started.
Returns the Dynamic-issued JWT (access token) from localStorage, or undefined if the user is not logged in. For JWT structure, backend verification, and security guidance, see Tokens.
import { getAuthToken } from "@dynamic-labs/sdk-react-core";

const App = () => {
    const dynamicJwtToken = getAuthToken()
    ...
}
Last modified on June 25, 2026