FlexBill Engine

Subscription Business
🔥
8/10
Demand Score
B2B companies are losing 20-30% of potential revenue due to inflexible billing. Modern buyers expect usage-based and flexible payment terms that legacy ERPs can't handle.
🌊
8/10
Blue Ocean
Competition Level
💰
$399-899
Price/Month
Predicted customer spend
⏱️
120 days
Time to MVP
Difficulty: Hard

The Problem

A billing orchestration layer that sits on top of ANY ERP and enables complex, modern billing models without customization. Handles usage-based, tiered, subscription, and hybrid billing models with re

Competitor Landscape

  • Subscription billing (Chargebee, Recurly) - don't integrate well with ERPs
  • ERP billing modules - inflexible and require customization
  • Usage billing platforms (Metronome, Orb) - too developer-focused

Must-Have Features for MVP

No-code billing rule builder
Real-time usage tracking APIs
Customer self-service portal
Automated dunning and collections

⚠️ Potential Challenges

  • Complex integration with diverse ERPs
  • Handling financial compliance requirements
  • Building trust for payment processing

Risk Level: Moderate

🎯 Keys to Success

  • Start with one ERP (NetSuite or SAP)
  • Partner with payment processors for revenue share
  • Focus on SaaS and service companies first

Ready to Build This?

This hard-difficulty project could be your next micro-SaaS success.