Kontier

Kontier is billing infrastructure for businesses serving European markets. It turns subscriptions, seats and usage events into invoices, with product catalogs, versioned pricing, proration and multi-currency billing. Its billing workflows support EU VAT, reverse-charge checks, XRechnung and ZUGFeRD e-invoices, payment collection through Stripe and GoCardless, and automated dunning. Finance teams can export accounting data in DATEV CSV format. Developers connect through a REST API and signed webhooks, while finance and operations teams use a web dashboard. Built in Regensburg by Frontier Algorithmics UG (haftungsbeschränkt), Kontier offers EU-hosted cloud plans and an on-premise option. Payment processing may involve international transfers as documented in its subprocessors register. Plans start at EUR 199 per month excluding VAT, with a 14-day trial.

Kontier is billing infrastructure for businesses serving European markets. It turns subscriptions, seats and usage events into invoices, with product catalogs, versioned pricing, proration and multi-currency billing. Its billing workflows support EU VAT, reverse-charge checks, XRechnung and ZUGFeRD e-invoices, payment collection through Stripe and GoCardless, and automated dunning. Finance teams can export accounting data in DATEV CSV format. Developers connect through a REST API and signed webhooks, while finance and operations teams use a web dashboard. Built in Regensburg by Frontier Algorithmics UG (haftungsbeschränkt), Kontier offers EU-hosted cloud plans and an on-premise option. Payment processing may involve international transfers as documented in its subprocessors register. Plans start at EUR 199 per month excluding VAT, with a 14-day trial.