Multi Vendor Marketplace App Builder

Can I build a full multi-vendor marketplace app in my browser with AI?

Yes—use Replit’s AI app generation to create a full-stack marketplace in a zero-setup, browser-based IDE. Replit Agent can scaffold React or Next.js frontends with Node.js or Python backends, wire up routes, and spin up services end-to-end. Replit Assistant then refines code, explains changes, and debugs as you iterate. You can preview live, collaborate in real time, and deploy from the same tab—no local installs needed.

How do I handle vendor onboarding, authentication, and role-based access?

Have Replit Agent generate vendor onboarding and buyer signup flows, then add OAuth using Replit Auth, Google OAuth, or Firebase Auth. Implement RBAC by defining roles and permissions in your database and protecting routes and APIs accordingly. The Assistant can help add middleware, session policies, and guards, and generate vendor dashboards that expose only authorized data. You keep full control over logic while AI writes the boilerplate and tests.

How do I set up product catalogs, inventory, carts, and order management?

Ask Agent to create product listings with SKU and variants, inventory tracking, a shopping cart, checkout, and orders. It can expose a REST API or GraphQL endpoints, plus server-side webhooks for order events and fulfillment. Add search, filters, and pagination to product queries, and store everything in your chosen database. The Assistant can optimize queries, validate inputs, and generate admin tools for moderation and returns.

What payment and payout options are supported for multiple vendors?

Integrate Stripe or PayPal via Agent so you get secure checkout, refunds, and tax/VAT calculations through their APIs (they handle PCI). For multi-vendor commissions, split payments, and payouts, wire provider features like Stripe Connect or PayPal Payouts and implement your commission rules in code. Secrets are stored in Replit’s Secrets manager, and Assistant can generate webhook handlers for disputes and reconciliations. Replit is the development and hosting platform—payments flow through your chosen processors.

Can I import designs and quickly build the marketplace UI?

Yes—Import from Figma to generate responsive React components and start with a pixel-accurate scaffold. Use the visual editor to tweak text, CSS, and layout live, or ask Agent to add themes, responsive design, and even Tailwind if you prefer utility-first styles. Agent can generate logos and illustrations on demand, then the Assistant helps componentize and clean up styling. You’ll go from design to working UI in minutes while retaining full code control.

How do I set up databases for vendors, products, and orders?

Choose Replit Database for simple key-value storage or managed PostgreSQL for relational data with schemas and relations. Agent can create schema design, migrations, and seed data for vendors, products, carts, and orders. It can also add indexing where needed for performance and ensure data persistence across deploys. Replit’s automatic checkpoints capture code and connected database state so you can restore safely if needed.

How do collaboration, versioning, and safe rollbacks work?

Replit supports real-time collaboration so teams can pair program in the same workspace. Version control integration gives you branches, code diffs, and an audit trail for reviews. Every AI change creates a checkpoint, enabling one-click rollback to any prior state if something goes wrong. This lets you experiment confidently and recover instantly.

How do I deploy my marketplace with a custom domain and SSL?

Use one-click deploy to cloud hosting, then connect a custom domain with DNS guided setup. HTTPS/TLS/SSL is handled automatically, and environment variables are managed via the Secrets manager. You can redeploy updates in seconds and scale without managing servers. The same workspace provides preview, logs, and rollbacks for safe releases.