Meet BillKoala, your most efficient invoice teammate.
Create invoices, track payments, manage expenses, and automate your entire billing workflow — all through chat.
14 days free trial · No card required
BillKoala
AI Agent
Hey Max, how can I help you today?
AI answerCreate an invoice for Acme Corp, 3 hours consulting at €150/h and send it via mail.
Done! Invoice #2026-0087 created for Acme Corp — €450.00. Sent to finance@acme.com. Want me to schedule a payment reminder?
AI answerYes, remind them 7 days before due date.
Trusted by forward-thinking teams
Why?
Invoicing is the task everyone puts off. It's tedious, error-prone, and steals time from work that actually matters. Here's why going agentic changes everything.
Invoicing steals your best hours.
Freelancers spend 5+ hours a week on invoicing — that's 260 unbillable hours a year. An agent handles it in seconds so you focus on work that earns money.
Late invoices, late payments.
Invoices sent within 24 hours get paid 2x faster. An agent creates and sends them the moment work is done — no procrastination, no cash flow gaps.
Manual means mistakes.
Wrong tax rates, typos, duplicate numbers — every manual step is a chance for error. An agent validates every field against your real data before anything goes out.
Stop chasing your own money.
Nobody likes writing "just checking in" emails. An agent sends perfectly timed reminders that escalate automatically — your cash flow improves while you sleep.
Your tools don't talk.
CRM, time tracking, invoicing, accounting — you're the glue. An agent connects everything seamlessly. One conversation replaces five tools.
Invoice management, reinvented.
No dashboards to learn. No forms to fill out. Just tell BillKoala what you need and it handles the rest — from creation to payment.
Create invoices by talking. Not clicking.
Just tell BillKoala what you need: "Invoice Acme Corp for 3 hours at €150/h." It pulls client data, applies your tax rules, picks the right template, and sends a compliant PDF — all from a single message in Telegram, email, or web chat. No forms, no menus, no UI to learn.
Invoice Acme Corp, 3h consulting at €150/h, due in 30 days
Invoice #2026-0087 created
Client: Acme Corp (finance@acme.com)
Amount: €450.00 + 19% VAT = €535.50
Due: March 19, 2024
Your inbox becomes an invoice scanner.
Connect your email via SMTP and BillKoala crawls incoming messages for invoices and receipts automatically. It extracts amounts, dates, tax IDs, and line items from PDF attachments — then files and categorizes everything without you lifting a finger. Incoming invoices from suppliers? Handled.
Email inbox crawling
Auto-extracted from invoices@yourcompany.com
AWS
aws-feb-2024.pdf
$1,247.83
FiledHetzner
hetzner-inv.pdf
€49.00
FiledFigma
figma-team.pdf
$45.00
ReviewReminders for payments, VAT, and anything else.
Chase overdue invoices automatically — or remind yourself about VAT deadlines, quarterly filings, or anything you don't want to forget. Set rules like "Follow up 3 days after overdue" and BillKoala sends perfectly timed reminders, adjusting tone for payment follow-ups. Invoicing and payments are the main use case, but the reminder system works for anything.
Smart reminders
Payments, VAT, and custom reminders
Connect anything. Write your own integrations.
Connect Stripe, DATEV, lexoffice, or Xero with one click — or write your own integration to any API, database, or internal tool. The ChatService gives your agent tools to access every connected integration, making it as powerful as your stack.
Connected integrations
1-click or write your own integration
Payments & payouts
German accounting export
Cloud bookkeeping
+ Add custom integration
Manage everything from one conversation.
"Show me all unpaid invoices over €500." "Mark invoice #0087 as paid." "What did Acme Corp owe us last quarter?" BillKoala isn't just for creating invoices — it's your full invoice dashboard, accessible from any chat channel. Upload, search, filter, edit, export — all through natural language.
Invoice overview
142
Total
€34k
Paid
€2.1k
Overdue
Works wherever you work. Telegram, Email, API.
No app to download. No browser tab to keep open. BillKoala meets you where you already are — send a Telegram message from your phone, reply to an email, or call the API from your own tools. Same agent, same data, every channel.
Active channels
Telegram
47 invoices this month
Email (SMTP)
Crawling invoices@...
Web Chat
Embedded on dashboard
REST API
12 apps connected
API-ready: connect your own tools directly
And when you want the full picture
A proper dashboard for when
chat isn't enough.
BillKoala is chat-first, not chat-only. When you need to filter 200 invoices, run a bulk export, or just want to see everything at a glance — the full web app is right there.
Invoices
Chat when you're on the go. Dashboard when you need the overview. Same data, same agent, your choice.
The old way vs. BillKoala.
Same result. Very different experience.
The old way
~25 minutes per invoice
The BillKoala way
~10 seconds
Invoice Acme Corp, 3h consulting at €150/h
Done. Invoice #0087 created, sent to finance@acme.com with PDF. Reminder set for 7 days before due date.
That's it. That's the whole process.
Real people, real invoices.
Three ways BillKoala works in the wild.
Invoice from your phone in 10 seconds.
You just finished a client call. Open Telegram, type what you did, BillKoala handles the rest.
Just finished 2h workshop with Müller GmbH, standard rate
Invoice #0091 created — €300.00 + VAT. Sent to buchhaltung@mueller.de. Reminder in 23 days.
Incoming invoices? Already filed.
Your team receives 50+ supplier invoices a month by email. BillKoala crawls your inbox, extracts every line item, and files them automatically.
What came in from suppliers this week?
12 invoices received. 9 auto-filed, 3 flagged for review (duplicate from Hetzner, missing tax ID from CloudCo, amount mismatch on DesignLab invoice).
"What's overdue?" — answered instantly.
No dashboards to dig through. Just ask. BillKoala gives you the numbers and can take action right from the same conversation.
Which clients owe us more than €1k?
2 clients: Agency Ltd owes €890 (5 days overdue, reminder sent yesterday) and StartupXY owes €1,200 (due in 3 days, no action needed yet). Want me to escalate Agency Ltd?
Four steps.
From setup to invoicing in minutes.
Connect your data.
Upload your client list, product catalog, or connect your accounting software. BillKoala learns your business.
Make it yours.
Set your invoice templates, payment terms, tax rules, and preferred communication channels.
Test it out.
Send a test invoice via chat — Telegram, email, or web widget — and see it work before going live.
Let it run.
Watch BillKoala handle invoices, payment reminders, and expense tracking — while you focus on your business.
Interested in BillKoala?
Try yourself in under 5 minutes.
Try for free14 days free trial · No card required
Works with your stack,
not against it.
Integrate with your favourite tools or build your own custom connection.
Accounting
DATEV
lexoffice
Xero
QuickBooks
sevDeskPayments
Stripe
PayPal
Wise
GoCardlessCommunication
Telegram
Email (SMTP)
Slack
WhatsAppCRM
HubSpot
Salesforce
PipedriveStorage
Google Drive
Dropbox
S3Custom
Your own custom integrationReal teams, real results.
See what happens when invoicing gets easier.
“We used to spend 2 hours a day on invoicing. Now I just text BillKoala on Telegram and it handles everything — creating, sending, reminding. About 70% of our invoicing is fully automated.”
Sarah M.
Freelance Consultant
“The integration was a game changer. We connected our custom ERP and BillKoala started pulling order data and generating invoices automatically. Our finance team now focuses on strategy, not data entry.”
Thomas R.
Head of Finance
“The email crawling feature changed everything. BillKoala reads incoming invoices from our inbox, extracts the data, and files them automatically. It's like having an extra team member.”
Lisa K.
CEO, TechStart GmbH
No surprises, no hidden fees.
Pricing that makes sense as you grow.
Starter
For freelancers
- 100 invoices / month
- 3 integrations
- Email + Telegram
- Custom templates
- Payment reminders
Business
For small teams
- Unlimited invoices
- All channels
- Custom integrations
- Analytics dashboard
- Email inbox crawling
- Priority support
Enterprise
For large teams
- Everything in Business
- Dedicated support
- Custom SLA
- On-premise option
- Team management
- Audit logs
14 days free trial · No card required