Generate QR code

You can generate a quick response (QR) code, or a Base64-encoded PNG image, for an invoice:

1. Create a draft invoice.
2. Send the invoice to move it from draft to a payable state. If you do not want PayPal to email the invoice notification to your customer, set send_to_recipient in the request to false. This parameter updates the invoice status to UNPAID and does not send the email notification.
3. To generate the QR code, include the invoice ID in the generate QR code request URL. You can add the QR code to a paper or PDF invoice.
4. When a customer uses a mobile device to scan the QR code, he or she is redirected to the PayPal mobile payment flow to view the invoice and pay online with PayPal or a credit card.

This sample request generates a QR code:

curl -v -X POST \
    https://api-m.sandbox.paypal.com/v2/invoicing/invoices/INV2-Z56S-5LLA-Q52L-CPZ5/generate-qr-code \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer <Access-Token>"

A successful request returns the HTTP 200 OK status code and a JSON response body that shows the QR code as a Base64-encoded image:

{
  "--InvoiceQrCodeBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=\"qr-code\"; filename=\"qr-code.png\"\nContent-Type: image/png\r\nPNG\r\n...ISO-8859-1 encoded file content...\n--InvoiceQrCodeBoundary7MA4YWxkTrZu0gW--"
    }
}

Note: When you use a PayPal SDK, the generate QR call returns a long string. Use your preferred programming language to convert this Base64-encoded value to an image that you can display on your site to your customers.

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