How much is GoBD Invoicing Backend Asset?

GoBD Invoicing Backend Asset is listed for sale at $39,000 USD.

What are GoBD Invoicing Backend Asset's current metrics?

Monthly visitors: Pre-launch. Monthly revenue: Pre-revenue.

GoBD Invoicing Backend Asset - Sell Project

Listed May 30, 2026

About GoBD Invoicing Backend Asset

Production-ready GoBD compliance invoicing backend with full IP & source code.

🔥 ENTERPRISE-GRADE MICRO-SAAS ASSET: Plug-and-Play B2B Invoicing Engine with Bulletproof GoBD Compliance Stop wasting 6+ months and tens of thousands of dollars developing complex, legally compliant billing backends. "meister-v2" is a 100% finished, rigorously tested, and production-ready B2B Invoicing SaaS Infrastructure built to absolute enterprise standards. Whether you want to launch a highly profitable micro-SaaS tomorrow, upgrade your existing platform, or sell it as a core component to European enterprise clients—this asset is your ultimate shortcut. 🚀 WHY BUYERS AND INVESTORS LOVE THIS ASSET: 1. Zero Legacy Debt – 100% Clean Code Built using a strict Hexagonal Architecture (Ports & Adapters) in TypeScript and Next.js 14. The business logic is completely decoupled from databases and external APIs. Any senior developer can read, scale, and customize this codebase within minutes. 2. Unbreakable German GoBD Compliance (§146 AO) This is the ultimate selling point for the European market. It features a cryptographically linked audit ledger (SHA-256 chain). By using atomic PostgreSQL transactions (insertInvoiceWithLedgerAtomic) combined with PostgreSQL Advisory Locks, data loss or manipulation is mathematically impossible—even during sudden server crashes. It is 100% audit-ready. 3. Hardened Security & Multi-Tenancy (Scale-Ready) Native PostgreSQL Row-Level Security (RLS) ensures absolute data isolation between tenants. Authentication is locked down via asynchronous JWKS validation using the "jose" library (RS256/PS256). It’s secure against modern exploit vectors from day one. 4. Precision Financial Engine Never deal with floating-point rounding errors again. Powered by "big.js", the calculation engine guarantees flawless accuracy for standard tax rates, custom discounts, and specialized regulations (such as German solar tax exemptions under §12 Abs. 3 UStG). 📦 WHAT IS INCLUDED IN THIS SALE: 100% Full Intellectual Property (IP) Transfer & Source Code Ownership. Complete, production-ready GitHub repository with full commit history. Production-hardened CI/CD workflows via GitHub Actions. Comprehensive Automated Test Suite (Vitest integration tests) ensuring zero bugs. Professional System Documentation (ARCHITECTURE.md). Clean, decoupled UI dashboard—ready for your branding and logo. 💡 THE INVESTMENT OPPORTUNITY: The technical foundation is completely done and verified. As a backend architecture purist, I built this to perfection but do not wish to run the marketing side. For an agency, a founder, or a strategic investor, this is a turnkey business. Hook up a payment gateway, acquire 3-5 business clients, and this asset will instantly generate thousands in Monthly Recurring Revenue (MRR), multiplying its current valuation. Serious inquiries only. Contact me directly to sign an NDA and get immediate access to the code audit and repository. Let's make a deal!

Project details

Website: https://compliance-backend.carrd.co

Next step: ★★★ INFINITE SCALABILITY & MONETIZATION ROADMAP ★★★ This architecture was built to be expanded into a multi-million dollar compliance ecosystem. Here is how a strategic buyer can instantly weaponize this asset to dominate the DACH market: 1. ENTERPRISE SAAS ADD-ON (The Immediate Cash-Cow):Integrate this backend into an existing B2B platform, CRM, or ERP system. You can charge your existing customer base a premium monthly subscription (e.g., +$49/month) to unlock automated, legally binding GoBD-compliant invoicing. With 1,000 existing users, this instantly generates $49,000/month in high-margin MRR. 2. GLOBAL API LICENSING (Compliance-as-a-Service):Expose the cryptographic audit ledger via a public API. International corporate giants (US/UK SaaS providers) entering the German market desperately need to pass German tax audits but hate dealing with local regulations. You can license this API to them for a heavy enterprise fee, saving them years of legal engineering. 3. ECOSYSTEM EXPANSION (From Invoicing to Full Accounting):Because of the strict Hexagonal Architecture and Domain-Driven Design, the codebase is completely modular. Your team can easily plug in additional adapters for:- Automatic DATEV exports (direct sync to German tax advisors).- XRechnung & ZUGFeRD integration (the mandatory e-invoicing standards for public contracts in Germany).- Smart tax-prediction models using the pre-built, fully-typed tax policy engine.

For sale

Asking price: $39,000 USD

What's included

Source code, All related design work

★★★ PREMIUM ADD-ONS & FULL HANDOVER COMPONENT SUITE ★★★ To ensure a 100% seamless transition and immediate deployment by your engineering team, the sale includes the following institutional-grade assets: 1. ENTERPRISE HANDOVER DOCUMENTATION (4 Complete blueprints): ARCHITECTURE.md: A deep-dive guide blueprinting the Hexagonal Architecture, Ports & Adapters mapping, and strict Domain-Driven Design (DDD) boundaries. SECURITY.md: A complete security audit log detailing how JWT Algorithm Confusion Attacks are rejected, and how the Zod-input sanitization pipeline protects the core. HANDOVERSTRATEGY.md: A step-by-step technical guide for your DevOps team on how to spin up the dual-mode rate limiting and mirror the ledger. EXITSUMMARY.md: A high-level commercial guide detailing monetization hooks and immediate expansion paths. 2. READY-TO-DEPLOY INFRASTRUCTURE BLUEPRINTS: Production-Ready Environment Config: Complete, fully documented .env.example mapped for instant deployment on Supabase, Upstash, and AWS/Vercel. Database Schema Migrations: Clean, version-controlled Supabase SQL migration files to spin up the PostgreSQL database in seconds. 3. 100% FULL INTELLECTUAL PROPERTY (IP) TRANSFER: Exclusive, worldwide, and perpetual rights to the entire codebase, architecture, brand assets, and zero-rounding tax calculation engine. No royalties, no hidden strings, 100% yours to build an $80,000+ ecosystem upon.

Reason for selling

★★★ STRATEGIC EXIT: READY FOR IMMEDIATE ACQUISITION ★★★ I am an independent software architect. I engineered this production-ready, high-performance compliance engine specifically to solve the massive legal and technical barriers that international companies face when entering the German and EU markets. My strategy from Day 1 was to build a flawless, enterprise-grade software asset and sell 100% of the Intellectual Property (IP) to an established corporate buyer, ERP provider, or fintech platform looking for a massive shortcut. I am selling this because the software infrastructure is 100% complete, fully verified, and ready for deployment. My job as the architect is done—now it belongs in the hands of a company that can instantly integrate it to scale their own revenue.

Project metrics

Average Monthly Visitors: Pre-launch

Average Monthly Revenue: Pre-revenue

Average Monthly Downloads: Pre-launch / New project