If you have a Visa or Mastercard gift card, follow these steps to increase your chances of success:
Head to the Walmart MoneyCenter or Customer Service desk.
When it’s time to pay, tell the cashier you are using a debit card . When prompted, swipe your prepaid card and enter your PIN.
Do you have a you're trying to use? I can look up whether that specific issuer (like Vanilla Visa or MetaBank) is currently being accepted at Walmart registers. Buy Money Order With Gift Card Where And How To
The most important thing to know is that . Walmart’s system classifies their own gift cards as "store credit," which is restricted from being converted into cash-equivalent instruments like money orders.
Before heading to the store, visit the card issuer's website to register your card and set a 4-digit PIN.
Since you can't buy a money order directly with a Walmart gift card, you have a couple of workarounds:
If you are in California and your Walmart gift card balance is less than $10, you can legally request to redeem it for cash at the register.