Keep writing hours and sending facturen from MoneyMonk exactly as you do now. payinbtc.me adds a Bitcoin payment option to those invoices, connected to any of 14 Bitcoin wallets and payment providers, with the money settling to an account you control.
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Not by itself. MoneyMonk is built for one kind of person, the Dutch zzp'er who writes hours, and it is unusually good at that job: urenregistratie and ritten per project, bonnetjes scanned from the app, free PSD2 bank couplings with ING, Rabobank, ABN AMRO, Knab, Triodos, ASN, bunq and others, btw-aangifte and ICP-aangifte, and the figures you need for your inkomstenbelasting at the end of the year. What it does not have is a Bitcoin payment option on the invoice, and none of its integrations adds one.
The payment side is thinner than the bookkeeping side by design. To let clients pay a MoneyMonk factuur with iDEAL or Wero, you need a Mollie account, opened separately and connected to MoneyMonk. Mollie also brings the transactions back in daily, and the bank couplings pull in the rest. That works well, and it also means the one online payment method on your invoice depends on a merchant account you maintain with a third party, priced per transaction: iDEAL at 32 cents, cards at 1.80% plus 25 cents inside the EEA, 3.25% plus 25 cents outside it.
payinbtc.me sits between MoneyMonk and the Bitcoin payment provider you choose. You connect both once. The connection to MoneyMonk is read-only: we read the invoice amount, currency and factuurnummer so the payment page shows the correct total, and we cannot create, edit or delete anything in your administratie, your uren, or your btw records. From then on, the invoices you pick carry a Bitcoin option next to whatever you already offer.
When your client opens the Bitcoin link, we take the invoice total from MoneyMonk and convert it to BTC at that moment's rate, then show a payment page with a QR code. They pay from any wallet, over the Lightning Network for near-instant settlement or on-chain for larger amounts. The Bitcoin arrives directly in your wallet or provider account. We never hold funds and we never take a share of an invoice.
For a zzp'er the arithmetic is simple, because the invoices are few and large rather than many and small. A month of hours is often somewhere between 2,000 and 8,000 euros, on a handful of invoices, sometimes to a client in Berlin or London rather than Utrecht. A percentage-based method costs more precisely when the invoice is bigger, and a foreign card adds to it. A Bitcoin payment costs the same regardless of the amount or the country, and it settles in seconds rather than on the next banking day. You mark the invoice paid yourself once our email arrives, because our access is read-only. Automatic reconciliation is on our roadmap and we will not claim it before it exists.
All 14 providers connect to MoneyMonk. But MoneyMonk users are almost all Dutch zzp'ers billing hours in euros, on a few sizeable invoices a month rather than a stream of small ones. That shape narrows the sensible starting points to four:
A managed provider in your own language, for typical zzp invoice sizes
Zzp'ers who would rather not maintain another merchant account
The fastest route to a first Bitcoin invoice
Keeping the balance sheet in euros before your IB-aangifte
Undecided? Lightning Checkout is the shortest path if you want somebody else running the payment side, and our hosted BTCPay is the one to pick if you would rather have no third-party account in the chain at all. Changing provider later does not touch your MoneyMonk connection.
Estimated time: 5 minutes
More questions? See our full FAQ →
5-minute setup. First month free. No credit card required. Cancel anytime.
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