Connect your Lexoffice account once — from then on, every successful payment lands automatically as a booking in your accounting, including the invoice PDF as a receipt, the correct VAT rate, and customer-to-contact mapping.
Mollie webhook → booking in Lexoffice. Within seconds the booking is captured for tax purposes.
The generated PDF invoice is attached as receipt directly to the booking — you don't need to upload anything.
With 100 subscriptions per month you save 100x manual entry into Lexoffice. At 1,000 subscriptions, this becomes existential.
In settings → Lexoffice you click "Connect Lexoffice" and authorise via OAuth. We get a token that lets us create bookings on your behalf — exclusively for this one Lexoffice account, with minimal write permissions.
From the moment of connection, everything runs automatically. Earlier payments can be retroactively pushed once on request.
Per payment: one receipt in Lexoffice with the fields date, gross amount, VAT rate (or reverse-charge for B2B EU), invoice number, customer (matched by email or newly created). The PDF invoice is attached as the receipt file.
Refunds and reversals are pushed as counter-bookings so your balance stays correct. You don't need to maintain anything manually in Lexoffice — we keep the bookings in sync with real state.
Currently the cloud variant Lexoffice (lexware.de/lxoffice). The Desktop Lexware variant is significantly more limited via API — if that's what you use, let us know.
We retry automatically (cron job with backoff) and notify you by email if it continues to fail after several attempts. The booking always stays available in JoinOurServer — you never lose data.
By default we use the Lexoffice-defined default revenue account. Per-plan override is planned — let us know if you need it.
OAuth connection, done. Skip the manual CSV grind and focus on your community.
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