The Co-WIN vaccination certificate has a digitally signed secure QR code. This can be authenticated online using the verification utility in this portal or using third party verification app using the services outlined below.

Option 1 – Online verification

Steps for online verification:

1. 1. Visit https://verify.cowin.gov.in/
   2. Click on “Scan QR” code
   3. A notification will prompt to activate your device’s camera
   4. Point the camera to the QR code on the bottom right of the certificate issued and scan
   5. Please keep the following points in mind while scanning the QR code
      • QR code should cover at-least 70%-80% of screen
      • Complete QR code should be part of camera frame
      • QR code should be parallel to the camera
      • Camera should be hold steadily for at-least 5 sec
   6. If camera is unable to read the QR code within 45 seconds, a message – “Camera is not able to read the QR code, please try again” with a try again button will be displayed. Verifier will be required to scan the QR code again following the instructions mentioned in Step 2.
   7. On successful verification, following attributes are displayed on the screen:

• Message “Certificate Successfully Verified”
• Name
• Age
• Gender
• Certificate ID
• Beneficiary ID
• Vaccine Name
• Date of Dose
• Vaccination Status
• Vaccination at

1. 1. In case of an unsuccessful verification if the certificate is not genuine, screen will show the message “Certificate Invalid”

You can view a demo video of ‘how to verify’

Option 2 – Offline verification through third party verifier app

Steps for offline verification:

1. Access the Co-WIN verification service and code for set up here
2. Get code snippet for reference and implement
3. Replace the public key used in code snippet with Public key available here.
4. Implement the verification service in your apps to scan, read and validate Co-WIN certificates

In case you need any clarification or support in implementing the verifier app, contact divoc-support@egov.org.in or partner@cowin.gov.in