Checkout Control Tower: Payment Routing and Dynamic Checkout for Shopify Plus

B2B E-commerce
🔥
7/10
Demand Score
Immediate savings from payment fee optimization and higher checkout conversion; quick impact without replatforming.
🌊
7/10
Blue Ocean
Competition Level
💰
$299-1k
Price/Month
Predicted customer spend
⏱️
8 days
Time to MVP
Difficulty: Moderate

The Problem

A no-code control layer for Shopify Plus checkout that routes payments to the cheapest/best-performing PSP per card type, AOV, region, or risk score, adds dynamic checkout fields (VAT, PO number), and

🔗 Validated by Real User Complaints

This problem has been verified through 3 real user complaints:

Competitor Landscape

  • Checkout Blocks
  • Custom Shopify Functions (agency-built)
  • Shopify Scripts (legacy)
  • Rally (headless checkout)

Must-Have Features for MVP

PSP/payment method routing by BIN, AOV, currency, risk
Dynamic fields: VAT/tax ID, PO number, delivery instructions
Validation rules (e.g., B2B requires VAT for zero-rated)
Checkout A/B testing and holdout groups
Surcharging/discount logic with regional compliance guardrails
Hide/show payment methods by segment or cart contents
Real-time fee benchmarking and authorization analytics
Failsafe fallbacks if a PSP degrades

⚠️ Potential Challenges

  • Plus-only capabilities for certain checkout extensions
  • Compliance around surcharging and payment method hiding by region
  • PSP partnerships and tokenization nuances
  • Measuring attribution of checkout changes safely

Risk Level: Moderate

🎯 Keys to Success

  • >0.2–0.5% absolute checkout conversion uplift in 30 days
  • 1–10 bps reduction in blended payment fees
  • Zero disruption via safe rollouts and instant rollback
  • PSP redundancy increases uptime during gateways incidents

Ready to Build This?

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