I built ContractAI over the past months and I'm selling it.
What it does
Users describe a contract in plain language → AI generates a complete legal document in 30 seconds. 15+ contract types, 12 languages.
Tech stack
- Next.js 14 + TypeScript
- Prisma + PostgreSQL (Neon)
- NextAuth v5
- Stripe billing
- TipTap editor
- Resend emails
- Docker + GitHub Actions CI/CD
Unique features (competitors don't have these)
AI Contract Negotiation — paste any contract, AI analyzes it from your perspective (buyer/seller/employee/etc), flags risky clauses, generates counter-proposals. DocuSign doesn't have this.
5 AI providers — Groq (free), GPT-4o, Claude, Gemini, xAI Grok. Not locked into one API.
REST API — /api/v1/generate, /api/v1/analyze with API key auth
Bulk generation — CSV upload → 50 contracts at once
Full admin panel — real-time stats, user management, feature toggles
Numbers
- 176 files, 35 API routes, 20 pages
- 0 TypeScript errors
- Live on Vercel
Live demo
https://ai-contract-builder-gilt.vercel.app
(Click "Try live demo" - no signup needed)
Sale details
- Asking: $5,000 | Buy Now: $3,500 firm
- Transfer: GitHub repo + Vercel + Neon DB + all env vars
- Sold as-is, no support, full docs included
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