Database App Builder

Open Replit and choose Create with Replit Agent to generate your app from a prompt, or Build from Scratch for full control with Assistant helping along the way. You can also Remix a community project, Import from GitHub to continue an existing codebase, or use Figma import to turn designs into a working UI. Code runs instantly with a real-time preview, and you can iterate using the Agent and Assistant chat. When ready, deploy in minutes from the same workspace.

Replit offers a built-in key-value store via Replit Database for simple settings, counters, and session-like data. For relational needs, use a managed database like PostgreSQL to define tables, enforce a schema, and create indexes for performance. Start with the key-value store for lightweight prototypes and move to PostgreSQL as your data model grows. The Agent can provision and connect these services for you during app generation.

Begin by outlining your schema (an ERD on paper is fine) and ask Replit Agent to scaffold models and migration scripts. You can use raw SQL or your preferred ORM (e.g., Prisma, SQLAlchemy, or drizzle-orm), and the Assistant will help refine or explain the code. Have the Agent generate seeding scripts to create initial records or import sample data. Iterate in the editor, run migrations, and re-seed as needed directly from your browser.

Store your database connection string in the Secrets manager and reference it via environment variables in code. Use SSL/TLS for connection encryption on your deployed app and database where supported. Rotate keys by updating secrets and redeploying, and follow least privilege by creating scoped DB users. The Agent and Assistant can help add secure config boilerplate without exposing credentials in your repository.

Yes—ask Replit Agent to scaffold a CRUD REST API (or GraphQL if you prefer) and it will generate routes, handlers, and SQL or a query builder pattern. Assistant provides autocomplete as you extend endpoints and write queries. When something breaks, share the error message or stack trace and Assistant will propose fixes with a previewable code diff. You stay in control by reviewing and applying changes inline.

Every significant change creates a checkpoint—a snapshot of your project, including code, environment, and connected database state. If something goes wrong, use rollback to restore the exact checkpoint, effectively an undo that preserves data integrity. This works alongside version control, giving you quick restore points beyond regular commits. Experiment freely knowing you can always restore and continue safely.

Mention services in your prompt and Replit Agent wires them up: Replit Auth, Google OAuth, or Firebase Auth for login; Stripe or PayPal for payments; SendGrid or Twilio for emails and SMS with webhooks. The Agent adds SDK initialization, example routes, and database hooks to store users, subscriptions, and message logs. Provide API keys via the Secrets manager and test flows in the real-time preview. Deploy when ready and scale features with Assistant’s help.

Replit includes a visual editor for UI tweaks, but drag-and-drop is limited to refining the interface rather than building full apps. Backend logic, state management, and data binding are code-driven, with AI code generation helping you move fast. Think of the visual editor as a way to adjust text, images, and styles while the Agent/Assistant handle deeper changes. For complex workflows and data models, you’ll work in code with AI assistance instead of no-code drag-and-drop.