post https://sandbox.pismolabs.io/qrcode/v1/pix/qrcode/cobv
Generate a new COBV QR Code image and EMV (Europay Mastercard Visa) string.
COB is short for cobranca, which means charge in Portuguese. A COB QR Code has an expiration date while a COBV QR Code has a due date, fine, interest, and rebates.
Typically, this endpoint is used to generate a dynamic QR Code for the Pix instant payments system.