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New German e-invoicing mandate from 2027: Kontier issues XRechnung and ZUGFeRD natively German e-invoicing 2027: XRechnung native
Pricing

What Kontier costs, and when it pays off.

Every plan is a monthly flat fee. Above the included revenue a revenue share applies, and VAT goes on top. The calculator below the plans writes the invoice for you.

Starter

For early-stage SaaS and digital products

€199 / monthnet, plus VAT

Revenue included
up to €15,000
Revenue share above
0.8%

Card required to start Continues on your plan unless you cancel before day 14

Includes

  • Recurring billing, usage metering and proration
  • Multi-currency (EUR, USD, GBP, CHF)
  • Self-service customer portal (white-label)
  • SEPA Direct Debit (GoCardless, Mollie, your own bank) and cards (Stripe)
  • Dunning automation and smart retry
  • XRechnung and ZUGFeRD, native
  • EU VAT OSS, automated
  • DATEV export (CSV)
  • REST API and signed webhooks
  • EU data residency for platform data
  • 1 workspace / 1 legal entity
  • Email support (48h SLA)

Scale

Recommended

For growing B2B SaaS and service providers

€499 / monthnet, plus VAT

Revenue included
up to €80,000
Revenue share above
0.5%

Card required to start Continues on your plan unless you cancel before day 14

Everything in Starter, plus

  • Revenue accruals: accrued, unbilled and deferred revenue (the basis for IFRS 15 / ASC 606)
  • GoBD-compliant audit trail and archiving
  • No-code connectors: Zapier, Make and n8n Status: release pending, built but not yet published by the vendor.
  • 3 workspaces / legal entities
  • Priority support (8h SLA)

Enterprise

For multi-entity, reseller and platform billing

€1,899 / monthnet, plus VAT

Revenue included
unlimited
Revenue share above
none

15 minutes with an engineer. We reply within one working day with two time slots.

Everything in Scale, plus

  • Reseller and sub-account hierarchy
  • AI-based anomaly detection
  • Unlimited workspaces and multi-tenant
  • SSO (SAML/OIDC), RBAC, audit logs
  • Custom contract terms
  • Priority support, high availability
  • Dedicated onboarding and CSM

On-premises

For regulated industries and full control

Custom

Flat fee / month
quoted
Runs on
your infrastructure

15 minutes with an engineer. We reply within one working day with two time slots.

Everything in Enterprise, plus

  • Installation on your own infrastructure
  • Full data sovereignty
  • Air-gapped deployment available
  • Custom SLA agreement
  • Custom integration workshops
  • Long-term support contracts

All prices are net prices in euro and are subject to statutory VAT. Kontier sells exclusively to businesses (Unternehmer within the meaning of § 14 BGB).

Cost calculator

Your invoice at your revenue.

Enter the revenue you bill through Kontier each month. The calculator picks the lowest published plan and writes out the invoice.

Net, in euro. All revenue you bill through Kontier counts: subscriptions, usage and one-off charges.

Every plan at this revenue

  • Starter lowest plan
  • Scale lowest plan
  • Enterprise lowest plan

Scale pays off from €52,500 monthly revenue, Enterprise from €360,000.

[ Cost estimate ] Starter
Starter flat fee €199.00
Revenue share 0.8% on €5,000 €40.00
Net / month €239.00
VAT 19 % (Germany) €45.41
Gross / month €284.41

Estimate from the published flat fees and rates. Customers elsewhere in the EU with a VAT ID are billed under the reverse-charge procedure. On-premises and custom terms on request. Larger plans include more features, see the comparison.

Every feature, plan by plan

The same list as on the plan cards, row by row. Anything built but not yet released carries a status instead of a checkmark.

Feature Starter €199 / month Scale €499 / month Enterprise €1,899 / month On-premises Custom
Billing
Recurring billing, usage metering and proration included included included included
Multi-currency (EUR, USD, GBP, CHF) included included included included
Self-service customer portal (white-label) included included included included
Revenue accruals: accrued, unbilled and deferred revenue (the basis for IFRS 15 / ASC 606) not included included included included
Reseller and sub-account hierarchy not included not included included included
AI-based anomaly detection not included not included included included
Payments and dunning
SEPA Direct Debit (GoCardless, Mollie, your own bank) and cards (Stripe) included included included included
Dunning automation and smart retry included included included included
Tax, e-invoicing, accounting
XRechnung and ZUGFeRD, native included included included included
EU VAT OSS, automated included included included included
DATEV export (CSV) included included included included
GoBD-compliant audit trail and archiving not included included included included
API and connectors
REST API and signed webhooks included included included included
No-code connectors: Zapier, Make and n8n not included Status: release pending, built but not yet published by the vendor. Status: release pending, built but not yet published by the vendor. Status: release pending, built but not yet published by the vendor.
Organisation and security
EU data residency for platform data included included included included
Workspaces / legal entities 1 3 unlimited, multi-tenant unlimited
SSO (SAML/OIDC), RBAC, audit logs not included not included included included
Custom contract terms not included not included included included
Deployment
Installation on your own infrastructure not included not included not included included
Full data sovereignty not included not included not included included
Air-gapped deployment available not included not included not included included
Support
Support and SLA email, 48h priority, 8h priority, high availability custom SLA
Dedicated onboarding and CSM not included not included included included
Custom integration workshops not included not included not included included
Long-term support contracts not included not included not included included
Capabilities

What every plan actually ships.

Six categories, every row a product fact. Anything not yet shipped carries a status instead of a checkmark.

  • available
  • Status: beta, available but still stabilising. usable, not yet GA
  • Status: in progress, not yet shipped. on the roadmap
Events & usage Ingest, aggregate and page through usage data. 3 of 3 available
  • Usage metrics (count / sum / max / unique) aggregated per billing period available
  • Cursor pagination on event endpoints stable across large result sets available
  • Idempotent event ingestion de-duplicated by transaction_id available
Plans & pricing Model prices and version them cleanly. 3 of 3 available
  • Charge models VOLUME / STAIRCASE / PACKAGE available
  • Versioned plan_version change prices without breaking existing subs available
  • Discounts & time-boxed coupons available
Invoicing Legally valid formats for the EU. 2 of 3 available
  • XRechnung (EN 16931) structured B2G invoice available
  • ZUGFeRD hybrid PDF available
  • Additional PEPPOL countries beyond DE Status: in progress, not yet shipped.
Payments Collect via direct debit, card and your own checkout. 3 of 3 available
  • SEPA mandate & direct debit pre-notification included available
  • Automatic dunning on returned debit available
  • Custom checkouts, embeddable with every payment provider: Stripe, Mollie, Kontier Payments available
Tax & compliance Bill audit-ready and reproducible. 3 of 3 available
  • VIES VAT-ID validation reverse-charge detection available
  • GoBD audit log immutable document chain available
  • Frozen FX rates & tax rules fixed at invoice date available
Security EU hosting and verifiable interfaces. 3 of 3 available
  • EU hosting platform data in EU data centres available
  • Signed webhooks HMAC signature per delivery available
  • Role-based access control (RBAC) five roles, from admin to read-only available

17/18 rows available today remainder: beta or in progress As of

Questions about pricing

Can I try Kontier before committing?

Yes. Starter and Scale begin with 14 free days, using your real data in a workspace of your own. A card is required to start the trial. It continues on your chosen plan unless you cancel before day 14. Enterprise and on-premises do not run through self-serve checkout but through a conversation, where we agree the trial and terms together.

How is the revenue share calculated?

Each plan includes a monthly revenue volume in the flat fee: Starter up to €15,000, Scale up to €80,000. A revenue share applies only to the revenue above that threshold: 0.8% on Starter, 0.5% on Scale. Example, Starter at €20,000 revenue: 0.8% on €5,000 is €40.00, so €239.00 net with the flat fee. Enterprise is a flat rate with no revenue share.

What counts as monthly revenue?

All revenue you bill through Kontier in a month, net: recurring subscriptions as well as usage-based items and one-off charges. The revenue share applies only to the part above the included threshold, not to your entire revenue.

What's included in a plan?

Every plan includes recurring billing with usage metering, multi-currency, the customer portal, SEPA and cards, dunning, XRechnung and ZUGFeRD, EU VAT OSS, DATEV export, the REST API with webhooks and EU data residency. Scale adds revenue accruals and the GoBD audit trail. Enterprise adds the reseller hierarchy, anomaly detection, SSO and RBAC, custom terms and dedicated onboarding. On-premises adds installation on your own infrastructure, full data sovereignty, air-gapped deployment, integration workshops and long-term support. Zapier, Make and n8n are built; their publication in the vendors’ app directories is still pending. The comparison table above has the full breakdown.

Can I cancel anytime?

Yes. Plans are billed monthly and can be cancelled monthly. No annual contract is required.

Where is my data stored?

We process platform data in data centres in the EU. Payment data that runs through Stripe can be transferred to the US by Stripe; that transfer is covered by the EU-US Data Privacy Framework and EU Standard Contractual Clauses.

Ready for predictable billing costs?

Start the free trial with your real data, or spend 15 minutes with an engineer on your pricing model.

Start 14-day trial

Card required to start · Continues on your plan unless you cancel before day 14

Book a demo

A technical demo: 15 minutes with an engineer on your pricing model and tax setup.

How we handle your details: privacy policy.

Prefer email? contact@frontieralgorithmics.com

Message Kontier

Write to us right here. We reply by email, usually within one business day.

How we handle your details: privacy policy.