Donnerstag.ai secures €4.3M seed round to bring transparency and control back to suppliers
Donnerstag.ai secures €4.3M seed round to bring transparency and control back to suppliers
Stop flying blind in accounts receivable
Your central Open Items list in real-time. Monitor due dates, manage dunning levels, and forecast cash flow — without Excel spreadsheets or outdated ERP reports.
€1.2M open | €340k overdue
GE21100145
€12.400 paid
€4,600 open
Mercur Logistics
Issue Date
12 days ago
Last Reminder
2nd reminder
Paid
€12,400
Outstanding
€4,600
Total
€17,000
Open Items
Invoice ID
Customer
Due date
Amount
GE21100172
Mercur Logistics
Overdue
€9,520
GE21100145
ACME Corp.
Partially Paid
€17,000
GE21100133
Sigma Dist.
In 3 days
€9,520
GE21100115
Innovatec
17 days
€9,520
Reduces DSO by an average of 25%
Invoice
Bank
ERP Data
Bank
Credit Note
Invoice
ERP Data
Bank
Invoice
Bank
Invoice
PODs
ERP Data
Contracts
Liquidity Engine
Open Items
47 Open Items
Due Date
Customer
€257,300.00
Not due
Overdue
At Risk
Partially Paid
From Excel chaos to cash flow clarity
From Excel chaos to cash flow clarity
Donnerstag.ai connects services, billing documents and bank data into one continuous flow — turning open items into a real-time liquidity control system.
Donnerstag.ai connects services, billing documents and bank data into one continuous flow — turning open items into a real-time liquidity control system.
The single source of truth for your receivables
The single source of truth for your receivables
Bring all Recevaibles data into one central system and regain full control over your liquidity – automated and in real-time.
Bring all Recevaibles data into one central system and regain full control over your liquidity – automated and in real-time.
OPOS
Key Accounts
Due Since 7+ days
Filter
Customer
Invoice Amount
Paid
Status
Muller GmbH
€10,250.00
€2,500.00
Not due
Otto Logistics AG
€23,500.00
€0
Overdue
Schmidt Group
€30,125.00
€24,525.00
Partially Paid
Nova Systems
€8,050.00
€1,000,00
At Risk
Receivables Management
Key Accounts
Due Since 30+ days
Filter
Customer
Project
Due Since
Outstanding
Status
XYZ Logistics
IM-52
64 days
€7,750.00
Overdue
Schmidt Group
IM-53
64 days
€23,500.00
Partially Paid
Muller GmbH
IM-53
64 days
€5,600.00
Partially Paid
Nova Systems
IM-60
64 days
€7,050.00
In Dispute
IM-52
IM-53
IM-60
Show all
All Open items in one place
All Open items in one place
Schluss mit dem Wechsel zwischen ERP, Bankportalen und Tabellen. Alle Abrechnungsbelege und (Teil-)Zahlungen werden in einer zentralen OPOS-Ansicht vereint.
Schluss mit dem Wechsel zwischen ERP, Bankportalen und Tabellen. Alle Abrechnungsbelege und (Teil-)Zahlungen werden in einer zentralen OPOS-Ansicht vereint.
X-ray vision for every invoice
X-ray vision for every invoice
One click reveals the full truth behind each invoice — payments, responsibilities, linked documents and remaining exposure.
One click reveals the full truth behind each invoice — payments, responsibilities, linked documents and remaining exposure.
Receivable (RE-2025-0001)
Main Info
Payments
Due Since 20+ days
Amount
€74,500.00
Due Date
Feb 19, 2026
Paid so far
€18,750.00
Responsible
Ben
Audit Trail
11 related
Gross Amount
€74,500.00
Paid
€18,750.00
Gross Amount
€74,500.00
Paid
€18,750.00
Outstanding
€55,750.00
Add internal note to this invoice...
Total Receivables
€2.4M
Overdue
€620K
Avg. payment terms
42 days
Category
Amount
%
Not due
€1.3M
54%
Due soon
€480k
20%
Overdue
€620k
26%
Steer liquidity, don’t just administer it
Steer liquidity, don’t just administer it
Make decisions based on data, not gut feeling. See exactly how much capital is tied up in open, not-due versus overdue receivables.
Make decisions based on data, not gut feeling. See exactly how much capital is tied up in open, not-due versus overdue receivables.
Seamlessly connects to your financial world
Seamlessly connects to your financial world
Donnerstag.ai integrates with your ERP and bank accounts — no rip-and-replace, no heavy implementation.
Donnerstag.ai integrates with your ERP and bank accounts — no rip-and-replace, no heavy implementation.
Receivables & Liquidity Layer
Deutsche Bank
Bank account
Bank IBAN
Receivables
Alerts
Monitoring
Cash in
Cash flow: On track
Payments accelerating
Overdue decreasing
No manual actions required
Cash flow optimization on autopilot
Cash flow optimization on autopilot
Clear visibility, faster payments and zero surprises — built directly into your receivables process.
Clear visibility, faster payments and zero surprises — built directly into your receivables process.
