Transportation / Smart City / AI Automation · Confidential (parking enforcement)
Parking violation support & payment automation
AI voice support for parking citations with secure Stripe payments, SMS release codes, and automated status sync — cutting support load and payment delays.
- Timeline
- Feb 2025 – May 2025 · operational
- Status
- Completed
- Category
- automation
- Industry
- Transportation / Smart City / AI Automation
−65%
Support workload
Fewer manual support interactions
+70%
Payment resolution
Faster citation payment turnaround
+50%
Automated payments
Higher self-serve completion
Context
Parking enforcement relied on manual support centers for citation questions and payments, creating wait times and reconciliation work.
The solution automates inquiry, PCI-aware payment, and release confirmation in one voice-led flow.
Channels & stack
- AI Agents & Automation
- React.js
- Node.js
- n8n
- PostgreSQL
- RetellAI
- Stripe
- Twilio
- SendGrid
- AWS
- Docker
Challenge
High support center workload
Slow payment collection and reconciliation
Inconsistent customer experience
Goals
- 01
Automate citation lookup and payment
- 02
Deliver multi-channel confirmations
- 03
Maintain compliance in conversational flows
Delivery sequence
How the engagement ran.
Phase 01
Foundation
Conversation & compliance design
Voice flows with disclosure and consent.
Work
- Intent design
- Compliance briefing scripts
Deliverables
- Call flows
- Payment UX
Phase 02
Delivery
Payment & sync automation
Stripe tokenization, citation sync, SMS/email confirms.
Work
- Lookup APIs
- Retry logic
- Audit logging
Deliverables
- Live automation
- Monitoring panel
Architecture
- 01
AI inbound call handling
- 02
Citation lookup and balance retrieval
- 03
Tokenized Stripe payment capture
- 04
Citation status synchronization
- 05
Voice, SMS, and email confirmations
Outcome
65% less support workload
70% faster payment resolution
50% higher automated payment completion
Lessons
- 01
Tokenized payments are non-negotiable for voice checkout
- 02
Structured compliance scripts keep automation safe
- 03
Real-time sync eliminates manual reconciliation