Four questions, four answers — and one reason under every decline: the card isn’t matching something the checkout quietly asks for. Fix the match and it spends. Here’s each, in your order
① “How do I actually use it?”
Almost every prepaid decline is one of five mismatches. Find your symptom on the left, do the thing on the right — no guessing:
Three — the only ones that change the outcome instead of just describing it:
binlist.io — first 6 digits in, instant answer on whether the card’s flagged “prepaid” (the silent auto-decline). Sift decline-code guide — turns a cryptic Stripe/Adyen decline code into plain English and tells you if a retry is safe. VoucherVault (self-host) — logs each card’s real balance so you never over-charge and trip a decline.
③ “The do’s and don’ts?”
Always
Never
match billing name + ZIP exactly
pick “Gift Card” as the payment type
choose “Credit” at the checkout
run a US card on a non-US store
keep balance above price + hold
retry the same decline 5× — it locks the card
spend it in the merchant’s own region
put a prepaid on a recurring subscription — buy that service’s gift card instead
④ “Where does it actually work?”
The list you asked for — each one confirmed to take a prepaid/gift Visa-MC. = lets you split a partial balance across two cards.
🛒 The full named list — Shopping · Games · Streaming · Services