Private Alpha · Now Open

Get Paid Faster.
Keep Your Relationships.

Traditional invoice chasers are robotic and damage client trust. Invoice Sentinel uses a Relationship Memory Graph to send thoughtful, human-first nudges that adapt to each client's behavior.

View Architecture
99%
Recovery Confidence
21
Day Deployment
0
Robotic Emails
847
Invoices Cleared
SEAMLESS ARCHITECTURE SYNC
XERO QUICKBOOKS FRESHBOOKS STRIPE

Sentinel Canvas

Every invoice moves through a deterministic lifecycle. No random reminders. No guesswork. Every state transition is intentional.

01
📄
128 active
Issued
Invoice sent to client
02
👁
94 tracked
Viewed
Email opened, read
03
⚠️
41 flagged · 7d post-due
Overdue
State transition fires
04
🔄
27 managed · firm nudge
Recovery
AI contextual nudge sent
05
847 cleared · settled
Paid
Relationship intact

The Unfair Advantage

Three proprietary layers that make Invoice Sentinel fundamentally different from any invoice chasing tool on the market.

🕸

Relationship Memory Graph

Neo4j maps every client interaction. The Sentinel knows who pays late but is sensitive to tone, and who just needs a gentle reminder. Context never gets lost.

Neo4j · Cypher
⚙️

Deterministic State Machine

Every invoice follows a finite, predictable lifecycle. No random email blasts. The FSM decides the exact right moment to act — and why. Every transition is auditable.

Python · Transitions
🤖

Contextual AI Voice

GPT-4o drafts nudges that reference previous conversations and match your brand voice. No templates. No robotic repetition. Every message reads like it came from you.

GPT-4o · Webhooks

Generic Chasers vs. Sentinel

Most invoice tools send the same robotic sequence to every client. Sentinel treats each relationship as unique.

Capability Generic Chasers ⚡ Invoice Sentinel
Tone Adaptation ✕ Same template every time ✓ Adapts to client personality
Relationship Memory ✕ No history awareness ✓ Neo4j tracks every interaction
Timing Logic ✕ Fixed intervals (Day 7, 14, 30) ✓ State-driven, behavior-based
Client Trust Impact ✕ Feels robotic, damages trust ✓ Feels like a human assistant
State Transparency ✕ Black-box logic ✓ Full audit log per invoice

Simple, Transparent Pricing

Start free, scale as you grow. No hidden fees. Cancel any time.

Starter
For freelancers managing up to 50 invoices.
$ 19 /mo
Billed monthly
50 Active Invoices
Basic State Machine
Email Notifications
Single Integration
Enterprise
Custom-built Sentinel for your exact workflow.
$ 3,500
One-time build · + $250/mo managed
Custom FSM Schema
Dedicated Neo4j Instance
White-Label Branding
21-Day Delivery
$250/mo Managed Retainer
// ready to deploy?

Stop Chasing. Start Recovering.

Join the Private Alpha and be one of the first to experience deterministic invoice recovery.