FlexBill Overlay: Dynamic Pricing and Usage Mediation on Top of ERP AR

Subscription Business
🔥
9/10
Demand Score
Static ERP billing blocks new monetization and deal velocity; finance needs flexibility without a multi-year BRIM-style program.
🌊
8/10
Blue Ocean
Competition Level
💰
$8k-60k
Price/Month
Predicted customer spend
⏱️
16 days
Time to MVP
Difficulty: Expert

The Problem

An overlay that adds modern subscription/usage billing without ripping out ERP finance. Define products, tiers, bundles, and rating rules; meter events in real time; then emit "billing intents" that r

🔗 Validated by Real User Complaints

This problem has been verified through 5 real user complaints:

Competitor Landscape

  • Zuora
  • SAP BRIM
  • Oracle Subscription Management
  • Gotransverse
  • Chargebee
  • Recurly

Must-Have Features for MVP

Product catalog and rules engine with simulation/A-B sandboxes
Real-time usage mediation with dedupe and enrichment
Contract/entitlement service with versioning and proration
Tax engine integrations and currency handling
ERP adapters (SAP SD/AR, Oracle AR, Dynamics) for intent-to-invoice reconciliation
Revenue recognition mapping and GL preview
Backfill/simulation against historical events to test pricing
Audit-grade event and rating trails with adjustments

⚠️ Potential Challenges

  • SOX and revenue recognition compliance
  • High accuracy requirements for taxation and rounding
  • Latency and scale of event ingestion
  • ERP adapter certification and support SLAs

Risk Level: High

🎯 Keys to Success

  • Launch new pricing models in weeks, not quarters
  • Invoice accuracy >99.9% with automated reconciliations
  • Reduce custom billing code by >70%
  • Increase AR cycle velocity and reduce bill disputes by >30%

Ready to Build This?

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