Integration highlight

Accept Bitcoin on SimplBooks Invoices
with Aqua Wallet

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

Register now and get 3 invoices for free → See How It Works

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 126 pre-built integration combinations. 9 accounting platforms × 14 Bitcoin wallets, all ready now.

Why Businesses Add Bitcoin to Their Invoices

The numbers speak for themselves

Traditional Payments
Self Custodial Bitcoin Payments
Processing Fees
2.5%
0.0%
Settlement Time
2-7 business days
~ 10 minutes (24x7)
International Fees
$25-45 per wire
$0.00
Chargeback Risk
0.6-1.2%
0% (final)
Annual Cost ($100K invoiced)
~$2,500/year
~$50/year

Save $2,450/year on payment processing

Based on $100K in annual invoices and non-custodial Bitcoin payments.

About SimplBooks

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.

About Aqua Wallet

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.

How It Works

Start accepting Bitcoin on SimplBooks invoices with Aqua Wallet in 5 minutes

1

Connect your tools

After registration you have to activate your account. During this process you link SimplBooks and Aqua Wallet to us. This will take 3 minutes.

2

Setup your invoices

Add the payinbtc.me payment link to your SimplBooks invoice template. Check our docs to see how this needs to be done for SimplBooks.

3

Send Invoices as Usual

Create invoices in SimplBooks like you always do. Your customers have now the option to pay in Bitcoin, without any additional work from your side.

4

Get Paid Instantly

Once a customer pays in bitcoin, it settles to Aqua Wallet in seconds. You receive instant email notifications so you know it's paid.

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.

Register now and get 3 invoices for free →

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

Questions? Talk to our team