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E-commerce accounting · Case study

FeeFox: settlement accounting for online sellers

A SaaS that splits Amazon, eBay and PayPal payouts into bookable line items — revenue per order, every fee and the payout in transit — and sends them to the seller's accounting software automatically.

Client
An e-commerce accounting company in Germany
Industry
E-commerce accounting
Year
2026
Duration
In progress
Location
Germany
FeeFox — cover image
The challenge

Marketplaces pay sellers in lump sums that mix sales, fees, refunds and reserves. Bookkeepers spend hours untangling each payout by hand before it can be booked, and existing tools are priced per transaction, which gets expensive as a shop grows.

What we built

FeeFox reads each payout, splits it into revenue per order, each individual fee and the money-in-transit, and pushes the result into lexoffice. It is built as a hardened PHP API with flat pricing in mind. Customer-facing flows stay deliberately closed until the marketplace sign-in, signature verification and the accounting engine are complete.

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