To enroll your Alliant Visa credit or debit card in Venmo:
1. Download the Venmo mobile app for iOS or Android.
2. Open the Venmo app on your device.
3. Choose your sign up method and create a password (between 8 and 32 characters).
4. Verify your phone number and email address.
5. Add your Alliant Visa card number and verify it after receiving small “microtransfer” transactions sent by Venmo.