Payment QR Codes via API

Payment QR Codes for Your Invoices

No more manual account number entry. Your customer scans the QR code and the payment is sent instantly.

A simple API — integration in minutes. Works in all Czech, Slovak and European banking apps.

From 2 EUR / 50 CZK per 1,000 QR codes monthly · no flat fee, no commitment

Invoice No. 2026-0142

Amount due

€50.00

EPC QR (SEPA)

One API key · three payment standards

For Czech banking apps

For Slovak banking apps

For banking apps across Europe

Integration in minutes

Send the payment details, get an image back. No QR code libraries, no keeping track of each bank's format.

1
Sign up and get an API key
Create your key in the dashboard and track how many codes you have generated.
2
Send the payment details
A POST request with JSON, a GET link, or the PHP library foldas/qrstart-php.
3
Add the QR code to your invoice
As an image in an e-mail or on the web, or we insert it straight into your PDF.

POSThttps://api.qrstart.eu

{
  "apikey": "ApiKey",
  "type": "bank",
  "amount": 1250,
  "currency": "CZK",
  "account": "123456789/6666",
  "variable": "20260142"
}

→ response

{
  "success": true,
  "url": "https://api.qrstart.eu/files/….png"
}

For Czech and Slovak banking apps.

Euro payments across Europe.

EAN-13 and Code 128.

An invoice or proforma invoice with the QR code exactly where you want it. Inserting counts as 2 codes.

Add the QR code with a single link. Securely, without exposing your API key.

How to

Generate as many as you need. 99.99% uptime.

No flat fee, no commitment. No limit on the number of codes.

This month we generated 8626 QR codes for our clients.

2 EUR / 50 CZK

per 1,000 QR codes monthly, excl. VAT