You can get to know about this if your linked credit or debit card is greyed out. However, to make instant transfers from your Venmo account, you should activate Venmo card and make the best use of its services.
To fix this issue
Add another card
To get rid of the “Venmo transaction declined correct card info” issue, you should remove the card that you are currently using and add another card to your Venmo account. This would help you to make instant transactions easily.
Contact your card issuer
If you are unable to use your card for a longer duration, then you should get in touch with your card issuer so that he can provide you the necessary information on why your card is not working and why it is showing an incorrect information issue.
Re-add the same card
Most of the time, this issue arises when you have not provided the correct information about your card or you forgot to activate it. In that case, one thing you should try is to remove and re-add the same card again by making sure that you are entering the correct info this time.
Ensure that your card is not expired
Most probably, the card that you have linked with your Venmo account has been expired due to which it is showing the incorrect card info during the transactions. Therefore, one must check the expiry date on the card and make sure that it is valid.
Conclusion:
If you persistently see a “Venmo transaction declined correct card info” on your screen even after performing these remedies, then the last thing you can try is to contact Venmo or create a new Venmo account which would be completely a new account with new bank details.