Integration highlight

Accept Bitcoin on SimplBooks Invoices
with Aqua Wallet

Connect SimplBooks to Aqua Wallet and start accepting Bitcoin payments with zero workflow changes.

First month free • No credit card required • Cancel anytime

SimplBooks + Aqua Wallet = Bitcoin Invoicing Made Simple

payinbtc.me is the integration platform that adds Bitcoin payment options to your existing accounting software invoices. Keep using SimplBooks for your bookkeeping and let Aqua Wallet handle Bitcoin payments, we connect them seamlessly so you can accept Bitcoin without changing your workflow.

One of 168 pre-built integration combinations. 12 accounting platforms × 14 Bitcoin wallets, all ready now.

About SimplBooks

SimplBooks is an Estonian cloud accounting platform built for small businesses and accountants, with features like automated VAT filing, fixed asset management, and straightforward invoicing tailored to the Estonian market.

With payinbtc.me, you can accept bitcoin via SimplBooks and give your clients a fast, borderless payment option. The integration connects SimplBooks to your bitcoin wallet, adds a payment link to your invoices, and notifies you when payments come in. Your SimplBooks workflow doesn't change.

For Estonian businesses looking to accept bitcoin payments through their existing invoicing setup, payinbtc.me removes the technical barrier. No separate bitcoin invoicing tool needed, just connect, and your SimplBooks invoices become bitcoin-ready. One integration, and every invoice can serve as a bitcoin invoice.

With the same ease, you connect SimplBooks to:

Blink Wallet BTCPay Server Coingate Coinsnap Lightning Checkout LNbits Money Badger Nostr Wallet Connect OpenNode Speed Strike Swiss Bitcoin Pay XPUB (Extended Public Key)

About Aqua Wallet

Aqua is a self-custodial bitcoin wallet developed by Blockstream, supporting bitcoin on-chain, Lightning, and the Liquid Network. It gives you full control over your funds, no custodian holds your keys.

With payinbtc.me, you can accept bitcoin via Aqua by connecting the wallet to your accounting software. Whether you use QuickBooks, Xero, FreshBooks, or any of our 11 supported platforms, the integration adds a bitcoin payment link to your invoices. Payments go directly to your Aqua wallet, and you stay in control.

For businesses that want self-custody and don't want to rely on a third-party payment processor, Aqua through payinbtc.me offers exactly that. Your bitcoin invoice gets paid, the funds land in your wallet, and your accounting software stays in sync. No middleman between you and your bitcoin.

You need a BTCPay server account to use this wallet combined with PayInBTC.

With the same ease, you connect Aqua Wallet to:

e-Boekhouden.nl Freshbooks Holded Invoice Ninja Moneybird MoneyMonk Quickbooks Sage Intacct Xero Zoho Books Zoho Invoice

Aqua Wallet Questions

What is an xpub, and why does Aqua Wallet use one?

An xpub (extended public key) from your Aqua Wallet wallet lets payinbtc.me generate unlimited unique receiving addresses on your behalf — without ever accessing your private keys. Your Bitcoin stays fully under your control while we handle payment routing.

Does payinbtc.me hold my Bitcoin if I use Aqua Wallet?

No. Payments go directly to addresses generated by your Aqua Wallet wallet. We never touch or hold your funds — you keep complete custody and control at all times.

More questions? See our full FAQ →

Start today—risk free

Add Bitcoin to Your SimplBooks Invoices with Aqua Wallet

Keep SimplBooks. Keep your workflow. Just add Bitcoin payments via Aqua Wallet.

No credit card required. First 3 invoices free. Cancel anytime.

168 integrations ready • 5-minute setup • Save $2,450/year

Questions? Talk to our team

Accept Bitcoin on SimplBooks Invoiceswith Aqua Wallet