There are two methods for this.

• The first mode is downloading the mobile app from the https://einvoice1.gst.gov.in portal under the Help menu and download option. Using this app read the QR code and verify the details of the e-invoice or upload the signed JSON file and see the e-invoice.
• The second mode is to go to https://einvoice1.gst.gov.in portal and select, search and verify signed invoice, upload the file, and see the e-invoice.