--- title: Neon Auth for React subtitle: Add authentication to your React project. Access user data directly in your Postgres database. enableTableOfContents: true tag: beta updatedOn: '2025-05-23T13:20:56.227Z' --- Neon Auth for Next.js Neon Auth for JavaScript React Template ); } export default function App() { return ( } /> hello world} /> ); } \`\`\` ## Start and test your app \`\`\`bash npm start \`\`\` Go to [http://localhost:3000/handler/sign-up](http://localhost:3000/handler/sign-up) in your browser. Create a user or two, and you can see them [show up immediately in the database](#see-your-users-in-the-database). `} />