You purchase the card (For the face value of the card, for example $25) and then typically there is an activation fee of $4-5. After it has been paid for and activated, you are free to use it anywhere, and for online purchases, you would do the same thing as if it were a normal credit/debit card.
You purchase the card (For the face value of the card, for example $25) and then typically there is an activation fee of $4-5. After it has been paid for and activated, you are free to use it anywhere, and for online purchases, you would do the same thing as if it were a normal credit/debit card.