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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.
Use signTransaction to sign a transaction without sending it. This is useful when you need to prepare a signed transaction for later submission or for use with external services.
Last modified on June 25, 2026