We find money in your self-billed invoices.
Donnerstag.ai automatically detects where self-billed invoices are wrong, incomplete, or still unpaid and helps you recover the money that’s rightfully yours.
✓ Highest security standards & GDPR compliant
Compatible with 1,000+ self-billing formats from leading buyers.
Error in the self-billed invoices
cost time and cash.
Donnerstag.ai ensures control.
Donnerstag.ai automates self billed invoice review and detects discrepancies before they escalate. For you, this means less risk, full transparency, and complete control over your billing.
Without Donnerstag.ai
With Donnerstag.ai
Wasted time
Manually checking self billed invoices consumes valuable hours.
Time saved
Matching in seconds not hours.
No clarity
Endless back and forth from missing or messy data.
Full transparency
Every mismatch detected. Everything traceable.
Cash flow chaos
Payment delays caused by errors and lack of visibility.
Cash flow under control
Clean data. Faster payouts.
1. Personal registration & setup
We configure Donnerstag.ai together with you, reviewing your current software landscape and possible integrations.
3. Secure introduction into live operation
Using test data, we show you how discrepancy alerts work, how payments are tracked automatically, and how you keep full transparency at all times.
How to get started with Donnerstag.ai
2. Individual onboarding with experts
Your personal contact guides you step by step: from uploading your first self billed invoices to setting up automated reconciliations and custom reporting.
4. Ongoing support & optimization
Our team supports you on an ongoing basis, ensuring smooth operations and adapting the setup to your evolving needs.
B2B services
You deliver. Donnerstag.ai ensures every self-billed invoice matches automatically.
Logistics & Freight
Focus on driving, not on paperwork. Donnerstag.ai reconciles your self-billed invoices digitally.
Wholesale and retail
From delivery to settlement: Donnerstag.ai brings clarity on open invoices and improves liquidity.
Staffing Agencies
Multiple shifts, complex billing. Donnerstag.ai keeps payments on time.
"Mit Donnerstag.ai haben wir zum ersten Mal Transparenz über Diskrepanzen zwischen Leistungen, Gutschriften und Zahlungen und können uns wieder voll auf das Tagesgeschäft konzentrieren." Markus Happe, Geschäftsführer
11 % Diskrepanzen endeckt
bei eingehenden Gutschriften
48 % weniger Zeit
für den Monatsabschluss
225 Stunden manuel arbeit gespart
und fokussiert auf Wachstum
Automated matching: Your service records are linked to self-billed invoices with zero manual effort – fully documented and audit-proof. Transparent control: Open items, payments, and discrepancies visible at all times – finally in one system.
What Donnerstag.ai does for you
Everything in view
See the full status of your self-billed invoices – paid, open, or with errors.
Detect errors automatically
Our AI finds quantity discrepancies, missing delivery notes, and pricing errors in seconds.
Fewer queries
Structured data reduces clarification cases and ensures traceability.
Faster payments
Self-billed invoices without errors are processed and paid faster.
Automatic follow-up
Missing information is requested system-supported – without manual intervention.