For the web reloadable cards the minimum first deposit is $50. Subsequent deposits have a minimum of $10.
For the extension non-reloadable cards, minimum card size is $20.
Our gift card options have varying minimums, ranging from $5 to $100.
The international non-reloadable has a minimum purchase size of $100. We have to set those minimums, because values below that tend to be abused for free trial/subscription farms.