PM Decision Annotation: This flow demonstrates the Dynamic Gateway Cascade Engine. If the user's primary bank/card or default UPI payment drops off, the backend intelligently falls back to Credit on UPI or 3-Month No-Cost BNPL without resetting the cart session, protecting checkout conversion.
Select Payment Plan
3 Months No-Cost EMI
₹3,333/mo • Zero Interest • Instant Approval
RuPay Credit on UPI
1-Click Scan & Pay via GooglePay / PhonePe
Debit / Credit Card (Full Pay)
HDFC, ICICI, SBI, Axis Cards
Simulate Gateway Response:
⚡ Gateway Cascade & Payment Routing Log
LIVE ENGINE ACTIVE
Real-time API sequence trace showing payment gateway health checks, fallback cascade executions, and mandate registration.
[00:00:01] Initialized Snapmint Checkout SDK v3.4...
[00:00:02] Querying user pre-approved BNPL limit: ₹25,000 [ELIGIBLE]
[00:00:02] Awaiting user payment trigger...
Key Performance Signals Proved:
- Session Retention: Zero cart drop-offs when primary gateway times out.
- Sub-second Fallback: Automatic routing to RuPay Credit on UPI within 450ms.
- Mandate Setup: Integrated e-NACH auto-debit consent during initial OTP verification.
PM Decision Annotation: The Repayment Dashboard solves penalty fatigue. It surfaces upcoming e-NACH mandate dates, aligns with user salary cycles (3rd of month), and allows 1-click pre-debit clearing via UPI with zero bank bounce fees.
Active BNPL Loans
₹6,666
2 EMIs remaining • On Track
e-NACH Mandate Status
ACTIVE
HDFC Bank (A/C **4921) • Salary Sync: 3rd
Bounce Protection Level
100%
Pre-debit Soft Reminders Active
My Active Repayment Schedule
| EMI Due Date | Amount | Collection Mode | Salary Sync Window | Status | Action |
|---|---|---|---|---|---|
| 03 Aug 2026 | ₹3,333 | e-NACH AutoPay | Salary Matched (3rd) | Upcoming in 10 Days | |
| 03 Sep 2026 | ₹3,333 | e-NACH AutoPay | Salary Matched (3rd) | Scheduled |
PM Decision Annotation: This tool simulates the NPCI Return Reason Code Parser. Rather than blindly retrying failed debits and incurring ₹250 bank penalties for users, it inspects error codes and routes retries across soft rails.
Legacy Static NACH Engine
Smart-Retry Engine (Proposed)
Simulate NPCI NACH Failure Code
Engine Execution & Recovery Output
Select an error code on the left to observe system response...
PM Decision Annotation: Senior PMs are judged on P&L impact. Below is the live unit economics model showing how reducing T-0 NACH bounce rates from 28.4% to 18.2% saves ₹18.75 Lakhs per month in field collection costs.
Metric Tree Breakdown
NORTH STAR METRIC
D+7 AutoPay Recovery Rate: 88.7%
Baseline: 72.5% (+16.2% lift)
L1 CONVERSION DRIVER
T-0 NACH Bounce Rate: 18.2%
Baseline: 28.4% (-10.2% drop)
UNIT COST METRIC
Blended Recovery Cost / EMI: ₹38
Baseline: ₹140 (-72.8% reduction)
Interactive P&L Savings Calculator
Projected Monthly Net Savings
₹18,75,000
Calculated as: Savings from avoided manual tele-collection agent fees (₹140 vs ₹38) minus WhatsApp API charges.