# React Components

## Overview

This guide will help you get started with `@coinbase/cdp-react`. You'll learn how to install the package, set up the provider, and render your first component.

CDP React components provide pre-built, customizable UI elements for common wallet and authentication flows, built on top of the CDP Embedded Wallets SDK.

## Prerequisites

* [Node.js 20 or 22](https://nodejs.org/en/download) installed (Node.js 21 is not supported)
* A node package manager installed (i.e., `npm`, `pnpm`, or `yarn`)
* A free [CDP Portal](https://portal.cdp.coinbase.com) account
* Basic familiarity with React and TypeScript

## 1. Install CDP packages

First, add the required package to your project using your preferred package manager.

```bash
# With pnpm
pnpm add @coinbase/cdp-react @coinbase/cdp-core @coinbase/cdp-hooks

# With yarn
yarn add @coinbase/cdp-react @coinbase/cdp-core @coinbase/cdp-hooks

# With npm
npm install @coinbase/cdp-react @coinbase/cdp-core @coinbase/cdp-hooks
```

## 2. Obtain your project ID

1. Sign into your [CDP Portal](https://portal.cdp.coinbase.com) account and select a project from the dropdown at the at the top. A modal should appear with your project details:
   <Frame>
     <img src="https://mintlify.s3.us-west-1.amazonaws.com/coinbase-prod-embedded-wallets/images/embedded-wallet-project-id.png" alt="CDP Project ID in project settings" />
   </Frame>
2. Copy the **Project ID** and save it for the next step.

## 3. Add the `CDPReactProvider`

Next, you need to wrap your application with the `CDPReactProvider`, providing the necessary context for hooks and components to work correctly with CDP. It also provides access to config data and theming.

<Accordion title="Using Next.js?">
  The CDP React SDK requires client-side rendering. Add `"use client"` as the very first line in any component file that uses CDP React components or hooks:

  ```tsx
  "use client"; // Must be the first line in the file

  import { CDPReactProvider } from '@coinbase/cdp-react';
  import { SignIn } from '@coinbase/cdp-react';
  // ... other imports

  export default function MyComponent() {
    // Your component code
  }
  ```

  Without this directive, you'll see errors like: `TypeError: createContext is not a function`
</Accordion>

Update your main application file (e.g., `main.tsx` or `App.tsx`) to include the provider, pasting the **Project ID** you copied in [Step 2](#2-gather-cdp-project-information) into `cdpConfig`'s `projectId` field:

```tsx
import React from 'react';
import ReactDOM from 'react-dom/client';
import { App } from './App'; // Your main App component
import { CDPReactProvider, type Theme } from '@coinbase/cdp-react';

// Your CDP config
const cdpConfig = {
  projectId: "your-project-id",
  basePath: "https://api.cdp.coinbase.com/platform", // CDP API url
  useMock: false, // Use live APIs or use mock data for testing
  debugging: false, // Log API requests and responses
}

// Global config for your dapp
const appConfig = {
  name: "My app", // the name of your application
  logoUrl: "https://picsum.photos/64", // logo will be displayed in select components
}

// You can customize the theme by overriding theme variables
const themeOverrides: Partial<Theme> = {
  "colors-background": "black",
  "colors-backgroundOverlay": "rgba(0,0,0,0.5)",
  "colors-text": "white",
  "colors-textSecondary": "#999999",
}

ReactDOM.createRoot(document.getElementById('root')!).render(
  <React.StrictMode>
    <CDPReactProvider config={cdpConfig} app={appConfig} theme={themeOverrides}>
      <App />
    </CDPReactProvider>
  </React.StrictMode>,
);
```

## 4. Render a CDP React component

Now you can use the components from the library. Let's add the `AuthButton` component to your application. This component handles both sign-in and sign-out functionality.

```tsx
// In your App.tsx or any other component
import { AuthButton } from '@coinbase/cdp-react/components/AuthButton';

function App() {
  return (
    <div>
      <h1>Welcome</h1>
      <AuthButton />
    </div>
  );
}

export default App;
```

That's it! You've successfully installed `@coinbase/cdp-react`, set up the provider, and rendered your first component.