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Rechnungskit
Rechnungskit checkout & billing

Sell subscriptions without a shop. E-invoice, archive & DATEV included automatically.

One shareable link for subscriptions, digital or physical. We manage plans, seats, trials and upgrades; payment goes through your own payment provider. Every charge automatically creates the GoBD-compliant e-invoice.

Payment runs through your own provider. Rechnungskit never sees card data.
checkout.rechnungskit.de/s/lKNn8dfvnB
TP Tempora · project software
Secure
✓ Plan 2 Address 3 Payment
Subscription
Monthly Annual -17%
Pro plan · annual 3 seats · 14 days free €1,470.00
Starter plan · annual Up to 5 projects €570.00
Trial (14 days) -€1,470.00
Due today €0.00
Examples:
Payment providers for subscriptions: Mollie Stripe more coming
One checkout, four cases

Subscription or one-time purchase. Digital or physical.

You can combine both in the same link, for example an annual subscription plus a one-time setup fee and a printed manual. Rechnungskit detects the type of supply, tax rate and place of delivery automatically.

Several one-time products on one page, with a cart and a QR code for your trade fair stand? That is what the shop page.

Subscription Digital

SaaS, memberships, courses

Monthly and annual plans with trials, seats and access unlocked via webhook.

Access ends automatically on cancellation
Subscription Physical

Subscription boxes and refills

Recurring deliveries with shipping address, pausing and delivery interval per customer.

Shipping costs and delivery country per cycle
One-time purchase Digital

Downloads, licenses, setup

Single products or setup fees, also combined with an ongoing subscription in the same link.

Delivered right after payment
One-time purchase Physical

Hardware, books, merch

Quantities, weight and delivery country in the checkout, including the correct tax rate and a shipping line.

OSS thresholds are tracked
Subscription billing

Recurring revenue without a second billing system.

Plans, trials, seats and upgrades run in Rechnungskit, including prorated billing, dunning and cancellations. The payment provider stays your own.

Plans & intervals

Monthly and annual plans, per-seat pricing, discounts and vouchers, selectable right in the checkout.

Trials

Free trials, with or without payment details. A reminder before the first charge is included.

Per-seat billing

Seats grow with the team. Changes are prorated to the day.

Upgrades & credit notes

Change plans any time. Credit note and additional charge are created automatically.

Dunning

Failed charges are retried, with an email reminder.

Revenue at a glance

Recurring revenue, cancellations and trials in one dashboard.

Every charge becomes a compliant e-invoice.

Renewal, upgrade, credit note, cancellation: every event creates the right document.

ZUGFeRD invoice, GoBD-compliant
Upgrades as a credit note plus a new charge
Reverse charge and OSS applied automatically
XRechnung for public authorities: Leitweg-ID right in the checkout
Archive and DATEV export included

If a public authority, municipality or university buys, it enters its Leitweg-ID in the checkout (field only for business customers in Germany). The invoice is then created as XRechnung 3.0 instead of ZUGFeRD, for one-time purchases and every subscription charge alike.

Subscription history · sub_9F2K
Pro annual renewal Aug 1, 2026 · RE-2026-0841 €1,470.00 compliant
Upgrade to 5 seats Jun 14, 2026 · RE-2026-0712 €298.00 compliant
Prorated credit note Jun 14, 2026 · GS-2026-0031 -€82.40 compliant
Next charge Aug 1, 2027 · scheduled €1,470.00 scheduled
konto.rechnungskit.de

Customers manage their subscription themselves.

A portal under your own branding. No support ticket for address changes or invoice copies.

Change plan or cancel subscription
Adjust seats and quantity
Change payment method
All invoices as PDF and ZUGFeRD XML
Sign in via email link, no password

Cancellation and withdrawal work without logging in and in two steps, just as § 312k BGB and § 356a BGB require. More on this: cancellation button and withdrawal button.

POST /webhooks

Webhooks for every event.

Grant, revoke or extend access. Straight to n8n, Make or Zapier with an API key, optionally HMAC-signed as well. With automatic retries.

subscription.created Grant access
subscription.updated Plan or seats changed
invoice.paid Renewal confirmed
payment.failed Dunning started
subscription.canceled Revoke access at end of term

Live in three steps.

01

Create a plan

Define prices, intervals, trial and seats in the dashboard, no code.

02

Connect your provider

Connect Mollie or Stripe; more providers are coming. Payouts keep going straight to your own account.

03

Share the link

Send or embed the checkout link. From the first charge on, the e-invoice comes automatically.

€9 a month, plus cents per document.

All pricing details →
€9.00 / month
+ €0.15 to €0.03 per document

No revenue share. Everything else runs directly through your own payment provider.

Subscriptions and one-time purchases in the same checkout
A ZUGFeRD invoice for every payment
Archive, DATEV export, API and webhooks
Trials, prorated billing, dunning, vouchers
Unlimited users, no per-seat pricing
Tiered price per document
Automatically by monthly volume, no plan change needed.
up to 100 documents €0.15
101 - 500 documents €0.11
501 - 2,000 documents €0.075
2,001 - 5,000 documents €0.05
5,001 - 20,000 documents €0.035
from 20,001 documents €0.03
Subscriptions and one-time purchases count the same. Details at rechnungskit.de/en/pricing.
On top come only your own payment provider's transaction fees, paid directly to them on the terms agreed there. Rechnungskit keeps nothing. All pricing details →

Ready to move your subscriptions?

Importing existing subscriptions is included, with no downtime and no new mandates.

Rechnungskit is not a tax advisory or law firm. This article explains general principles and does not replace advice from a tax advisor (Steuerberater, § 5 StBerG) or a lawyer (§ 3 RDG). Rechnungskit is built for businesses based in Germany and prepares documents, tax rates and bookings automatically. How your specific case is treated remains your decision, ideally together with your tax advisor or a lawyer.

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