Production-ready • Minimal setup complexity

Ship your SaaS today
with Fullstart

Fullstack SaaS starter kit with authentication, payments, and real-time data.Minimal configuration - Maximum functionality - Typescript first - Production ready - Perfect for vibe coding

5 mins
Local Setup
5 steps
Deploy to production
Today
Go to market
Most common mistake

Don't skip Payments

Don't let your payment processing be a blocker

How are your users gonna pay for your MVP if they like it?

The Payment Trap

Weeks of payment integration delays
Complex compliance requirements
Security vulnerabilities
Lost revenue opportunities

"We spent 3 months building our MVP, then another 2 months just getting payments to work. By then, our competitors had already launched."

— Startup Founder

The Smart Solution

Secure Processing

PCI-compliant payment handling built-in

Instant Setup

Go live in minutes, not months

Subscription Payments

Manage subscriptions and recurring payments

Payment-Ready Boilerplate

Start building on a foundation that already solved the payments problem for you. Focus on your product, not payment infrastructure.

Clerk Billing IntegrationSubscription ManagementWebhook Handling

Don't Build Payments From Scratch

Get a payment-ready foundation and ship faster.

2 weeks
Average time saved on payment integration
99.9%
Payment processing uptime
$0
Additional payment setup costs
Fullstack SaaS Starter Kit

Get a head start

Skip the boring boilerplate work and go straight to the fun vibe coding part

Authentication & User Management
Complete user auth with social logins, protected routes, and real-time user sync. Powered by Clerk.
  • Social OAuth
  • Protected Routes
  • User Profiles
  • Session Management
Real-time Database
Serverless database with live data sync, type-safe queries, and automatic scaling. Built on Convex.
  • Live Sync
  • Type Safety
  • Serverless
  • Auto Scaling
Payments & Subscriptions
Full billing system with subscription management, multiple pricing tiers, and webhook handling.
  • Accept Payments
  • Subscription Plans
  • Revenue Dashboard
  • Clerk Billing Integration
Developer Experience
Modern tooling in TypeScript. Hot reload, testing, and automated versioning. Built for productivity.
  • TypeScript
  • Turbopack
  • Playwright
  • Github Actions
AI + Performance Optimized
Built with Next.js 15, React 19, and TailwindCSS 4. Optimized for performance and working with AI.
  • AI SDK 5
  • React 19
  • Next.js 15
  • TailwindCSS 4
Production Ready
Plug into Github and deploy immediately on Vercel. No prototype limitations.
  • Analytics
  • Vercel Deploy
  • CI/CD Pipeline
  • E2E Testing Suite

The Problem

Weeks of integration work setting up auth, payments, and database

Complex configurations that break with every update

Schema mismatching issues across the full stack

Prototype limitations that don't scale to production

Tech stack unfriendly to AI and unsuited for Vibe Coding

The Solution

5-minute setup with everything pre-configured and tested

Zero integration headaches - everything works together seamlessly

Full TypeScript coverage from database to UI components

Production-ready from day one with monitoring and analytics

AI native languages and a codebase optimized for prompt engineering

Full Tech Stack

Built with the best tools for Vibe Coding

We've carefully selected and integrated the most powerful, modern technologies to give you the best prompting experience while working with AI.

Frontend

Next.js 15

Latest

App Router, Server Components, and Turbopack for blazing fast development

React 19

Latest

Latest React with compiler features and improved performance

TailwindCSS v4

Latest

Modern utility-first CSS framework with improved performance

Backend & Database

Convex

Real-time database with serverless functions and live data sync

Clerk

Complete authentication solution with social logins and user management

Clerk Billing

Payment processing and subscription management linked with Stripe

Developer Tools

TypeScript

Full type safety across the entire application stack

Semantic Release

Automated versioning, changelogs, and release management

AI SDK 5

Latest

Interface with the latest AI models and build AI-powered products

Why This Stack?

Modern & Future-Proof

Built with the latest stable versions of industry-leading technologies

Unified Stack

All technologies work seamlessly together with zero configuration conflicts

Type-Safe

End-to-end type safety from database queries to UI components

Perfect for Vibe Coding

AI friendly technologies and a codebase optimized for prompt engineering

Everything you need is included

Build, launch, and accept payments

Fullstart includes all the features you need to build, manage users, and accept payments on your SaaS application. From authentication to billing, we've got you covered with production-ready components.

Ready to start building?

Join a community of builders who skipped the boring boilerplate work and went straight to the fun vibe coding part