Billing software built for recurring revenue
Invoices, subscriptions, automated reminders, and M-Pesa — one system that handles the money side of your business.
CoreStack Billing is billing software for Kenyan businesses. It handles invoices, subscriptions, automated dunning, M-Pesa payments, and tax compliance. Ideal for SaaS, service providers, landlords, and schools. Start on a free trial.
What's included
Smart invoices
Generate branded invoices. Auto-chase overdue payments. Attach PDFs to every email.
Subscriptions
Monthly, quarterly, annual. Auto-renew. Pause, upgrade, downgrade without breaking revenue.
Dunning
Automated reminders on failed payments. Retry schedules. Reduce churn by 30%+.
M-Pesa payments
STK Push on invoice. Customers pay in one tap. Match to invoice automatically.
Tax compliance
VAT-ready invoices. Configure tax rates per item or category. Report-ready exports.
Multi-currency
Bill in KES, USD, EUR. Live exchange rate conversion at invoice time.
Built for
Common questions
Can I send invoices via WhatsApp?+
Yes. CoreStack Billing sends invoices by email and via WhatsApp with a secure payment link. Customers tap, pay, done.
Does it handle M-Pesa subscriptions?+
Yes. M-Pesa doesn't natively support recurring debits, but CoreStack sends a reminder with STK Push when a subscription renews. Customer taps, pays, subscription continues.
Can I export for my accountant?+
Yes. Standard exports to CSV and Excel. M-Pesa transaction logs, tax breakdowns, and aging reports all included.
What about partial payments?+
Supported. Invoices accept partial payments. The system tracks balances, applies credit notes, and updates aging automatically.
Ready to end payment chaos?
Start your free trial. Import customers in minutes.