The cast of characters
Three different parties are usually involved in any prepaid card you hold:
- The brand — the name on the front of the card (e.g. Vanilla, The Perfect Gift, Canada Post). They license the card from a real bank.
- The issuing bank — the financial institution that legally holds the funds. In Canada, most prepaid Visa/Mastercard cards are issued by Peoples Trust Company, sometimes in partnership with another bank like TD.
- The processor — the company that handles transactions, balance lookups, and the cardholder portal. Examples include InComm, Blackhawk Network, and Peoples Trust's own processing.
When you "buy a Vanilla card," you're really buying a Peoples Trust prepaid product, marketed under the Vanilla brand, processed by Peoples Trust's systems.
What "prepaid" actually means
A regular debit card is linked to your bank account; a credit card draws on a line of credit. A prepaid card is neither. It's a stored-value account: a fixed pool of money sits in a special trust account at the issuing bank, with the card number acting as the "key" to that pool.
When you swipe the card, the merchant's terminal sends an authorization request through the Visa or Mastercard network to the issuer. The issuer checks the available balance, approves or declines, and (if approved) reduces the stored value by the transaction amount.
This matters because:
- The funds are isolated — they're not commingled with the issuer's general assets.
- There's no overdraft — if the balance is insufficient, the transaction is declined.
- Refunds go back to the same card — you can't easily redirect them.
Activation and registration
When you pull a prepaid card off a retail rack, it usually has zero usable balance until the cashier rings it through. The activation step adds the value to the card and unlocks it on the issuer's systems.
Registration is a separate step. It links a billing address to the card on the issuer's portal. Many online merchants run an Address Verification System (AVS) check during checkout — they ask the issuer "is the billing address the customer typed during checkout the same as what's on file for this card?" If you haven't registered the card, there's no address on file, and the AVS check fails. Some merchants treat AVS failure as an automatic decline.
For online purchases, register the card first. For in-person purchases, registration is rarely required.
Why some merchants reject prepaid cards
Even with activation and registration, some merchants will still decline prepaid cards. The reasons include:
Subscriptions and recurring billing
Subscription services need a card that can be charged automatically every month. Many one-time prepaid cards aren't programmed for recurring billing — the issuer's system rejects the second charge. Reloadable prepaid cards (like the Canada Post Prepaid Mastercard) handle this better, but even then, some subscription services have policies against any prepaid card.
Pre-authorizations larger than the balance
Hotels, gas stations, and rental cars don't charge you the actual amount upfront. They place a "pre-authorization" hold for an estimated amount — often much more than the final transaction. If your card has $50 on it and the hotel pre-auths $200, the card declines, even though your final bill would have been only $40.
Merchant policy
Some businesses simply refuse all prepaid cards because of fraud concerns or chargeback risks. The merchant's payment terminal can reject specific BIN ranges (the first six digits of the card number), which identify it as a prepaid product.
International transactions
A Canadian-issued prepaid Mastercard might decline at a U.S. merchant because the AVS check expects a U.S. ZIP code. Some merchants outside Canada have policies against accepting Canadian prepaid cards entirely.
What happens to the money?
Funds loaded onto a prepaid card sit in a regulated trust account at the issuing bank. They're protected from the brand company's bankruptcy (the brand is just a marketing layer; the bank legally holds the money). They earn interest — but that interest goes to the bank, not to you.
Provincial law in most of Canada prevents the funds on retailer/non-promotional gift cards from expiring before the printed card expiry. However, fees may erode the balance over time on certain reloadable products (inactivity fees, monthly maintenance fees).
The privacy aspect
Prepaid cards are sometimes pitched as "anonymous." That's only partially true. The issuer keeps full transaction records and may require identification to register the card or load amounts above certain thresholds (Canadian anti-money-laundering rules apply). What the cards do offer is some separation between your primary banking identity and your purchase history at any given merchant — which is genuinely useful for online purchases on sites you don't fully trust.
Bottom line
Prepaid Visa and Mastercard cards aren't really "Visa" or "Mastercard" in the traditional sense — they're stored-value products from financial institutions like Peoples Trust, marketed under various brand names, that happen to ride on the Visa or Mastercard payment networks. Understanding that layered structure makes the quirks (registration steps, AVS checks, subscription rejections, fee schedules) make sense.
For the full directory of cards we cover, see our gift card index.