Jampack – Next.js SaaS Starter Kit With AI Chat & Billing

Jampack is a production-ready multi-tenant SaaS starter kit built with Next.js to help developers launch modern SaaS products faster. It includes authentication, billing, AI chat integration, blog CMS, analytics, monitoring, internationalization, and more — all in a scalable production-ready architecture.

Focus on building your product instead of rebuilding common SaaS infrastructure from scratch.

Server Requirements

• Node.js 18.x or higher
• PostgreSQL Database
• Supabase Account
• Stripe, Paddle, or Lemon Squeezy Account (optional for billing)
• OpenAI or compatible AI provider API key (optional for AI chat)

Important: Third-party services such as Stripe, Supabase, OpenAI, Paddle, Lemon Squeezy, PostHog, Sentry, Resend, and Upstash may require separate paid subscriptions or usage-based billing. These external service costs are not included in the item purchase price.

Core Highlights

• Multi-tenancy architecture with organizations, roles, and invite system
• Supabase authentication with email/password and OAuth-ready support
• Billing integration with Stripe, Paddle, and Lemon Squeezy
• AI chat system compatible with OpenAI, Gemini, DeepSeek, OpenRouter, and custom providers
• Built-in blog CMS with content management workflows
• Internationalization support with 8 languages
• Analytics with PostHog and monitoring with Sentry
• Email workflows with Resend integration
• Redis caching and OTP workflows using Upstash

20+ Production-Ready Modules

• Dashboard & User Profiles
• Organization Management
• Members & Invite System
• Billing & Subscription Plans
• Blog CMS
• Projects & Task Management
• AI Chat System
• File Manager
• Settings & Preferences

Powerful Features

Authentication & Access Control

Secure email/password authentication, protected routes, password reset workflows, and post-login redirects.

Multi-Organization Workspaces

Manage organizations, invite members, assign roles, and handle workspace-level permissions and data separation.

Billing & Subscription System

Integrated billing flows with Stripe, Paddle, and Lemon Squeezy including checkout, subscriptions, and customer portal support.

Internationalization

Built-in multilingual support powered by next-intl with 8 included languages.

Analytics & Monitoring

Integrated PostHog analytics and Sentry error monitoring for production-ready observability.

AI Chat Integration

AI chat interface with conversation persistence and support for OpenAI, Gemini, DeepSeek, OpenRouter, Anthropic, and custom AI providers.

Blog CMS

Content management system with drafts, categories, tags, publishing workflows, and TinyMCE editor support.

Email & Notifications

Transactional email workflows using Resend with OTP verification and notification support.

Security & Performance

Role-based access control, Redis-backed workflows, route-level loading states, caching, and optimized production performance.

Production Data Model

Includes scalable entities for Profiles, Organizations, Members, Teams, Plans, Subscriptions, Posts, Projects, Tasks, Chats, and more.

Tech Stack

• Next.js App Router
• React 19
• TypeScript
• Tailwind CSS + shadcn/ui
• Prisma ORM + PostgreSQL
• Supabase Authentication
• Stripe / Paddle / Lemon Squeezy
• PostHog + Sentry
• Resend Email
• Upstash Redis

Why Choose Jampack?

• Production-ready SaaS architecture
• Built for scalable SaaS applications
• Save development time with ready-made infrastructure
• Flexible AI provider integrations
• Modern developer experience with Next.js and TypeScript

Ready to Launch Faster?

Start building your SaaS product with a complete production-ready foundation including authentication, billing, AI chat integration, blog CMS, and multi-tenant architecture.

Build and launch faster with Jampack.