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