Sim, um cartão de débito americano funciona para o eVisa do Camboja — desde que carregue o logo Visa ou Mastercard e esteja ativado para compras online internacionais. A questão é que uma cobrança de débito retira os $80 ou $90 completos imediatamente, então o momento e o saldo importam mais do que com um cartão de crédito. Aqui está exatamente como o débito funciona, onde ele falha, e quando um cartão de crédito é a opção mais segura.

Yes. A US debit card with a Visa or Mastercard logo pays for the Cambodia eVisa exactly like a credit card, billed in US dollars, as long as the card is enabled for international online purchases. The one real difference is funds: a debit charge pulls the full $80 Tourist or $90 Business eVisa fee from your checking account the instant you confirm, so the balance must be there that moment — there is no credit float. For most US travelers a debit card is fine, but a credit card is the safer choice when you want chargeback protection, are paying for a whole family, or your balance runs close to the line. The same card also covers the separate $20 USD e-Arrival Card.
A US debit card pays for the Cambodia eVisa with no asterisk attached — provided it carries a Visa or Mastercard logo and is switched on for international online purchases. The checkout treats a debit card the same way it treats a credit card: you enter the 16-digit number, the expiry, the security code on the back, and your billing ZIP, then confirm. The full price is billed in US dollars, so an $80 Tourist eVisa charges $80 and a $90 Business eVisa charges $90, with no currency-conversion screen in between.
Where debit differs from credit is not whether it works, but how the money moves. A credit card extends you a short line of credit and settles later. A debit card reaches straight into your checking account and pulls the funds the moment you confirm. That single difference is what drives every debit-specific question US travelers ask us, and it is what the rest of this guide is really about: not "will it work" but "when is debit the right call, and when should you reach for a credit card instead."
When you pay with a debit card, the network behind the logo — Visa or Mastercard — routes the transaction exactly as it would a credit charge. From the checkout's point of view there is no distinction: it sees a 16-digit card number, runs it through the same authorization, and returns approved or declined. That is why a debit card with a Visa or Mastercard logo on the front is the single most common way Americans pay for the Cambodia eVisa.
The difference sits at your bank, not at the checkout. A credit card authorizes the charge against your credit line, then posts a few days later; you do not feel the money leave until the statement closes. A debit card authorizes against your live checking balance and pulls the $80 or $90 within seconds. There is no grace period and no float. If the money is in the account, the charge clears. If it is not, the charge fails even though the card itself is perfectly valid.
That immediacy is also a small safeguard against overspending — you cannot accidentally pay for a visa with money you do not have. But it means the balance has to be sitting in the account at the exact moment you confirm. Travelers who time their visa payment for the day after payday, or who keep a near-zero buffer in checking and sweep cash into savings, are the ones most likely to see a debit charge bounce for insufficient funds.
The one setting that matters most is whether your debit card is allowed to make international online purchases at all. Many US banks ship debit cards with overseas transactions switched off by default, or let you toggle them in the mobile app. Because the Cambodia eVisa is processed through an overseas merchant, a card locked to domestic-only use is declined on the spot — not for fraud, simply because the bank never authorized international activity on that card.
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Se você precisa de um Cartão e-Arrival do Camboja (e um eVisa do Camboja) durante uma escala no Aeroporto Internacional Techo (KTI) ou Siem Reap (SAI) depende de uma pergunta: você vai cruzar a linha de imigração? Aqui está o regulamento exato de 2026 para transferências airside, passagens separadas e voos domésticos.
As regras de fronteira do Camboja mudaram significativamente para 2026: Phnom Penh abriu o Aeroporto Internacional Techo (KTI), selos de papel foram substituídos pelo V-Pass digital, e todas as passagens terrestres entre Tailândia e Camboja permanecem fechadas. Aqui está a lista de verificação completa de entrada de 2026 para viajantes canadenses.
Cidadãos britânicos que viajam para o Camboja em 2026 precisam tanto de um visto cambojano válido quanto de um Cartão e-Arrival digital do Camboja (CeA). Aqui está como os portadores de passaporte do Reino Unido escolhem entre o eVisa de Turista (Classe T), eVisa Ordinário (Classe E) e Visto na Chegada no Aeroporto Techo (KTI) ou Siem Reap (SAI).

Both pay the same price for the same eVisa, billed in the same US dollars, and both deliver the same printable PDF in 3–5 days. The choice is about protection and timing, not about cost. For a single traveler with a comfortable checking balance, debit is genuinely fine. For anything more involved — a family of four, a tight balance, a card you want a chargeback safety net behind — a credit card pulls ahead.
The strongest argument for credit is chargeback protection. US credit cards under the Fair Credit Billing Act give you the right to dispute a charge for goods or services not delivered, and your liability for unauthorized charges is capped at $50 (most issuers waive it entirely). Debit cards carry consumer protections too, but they are weaker and slower, and a disputed debit charge means money that has already left your account while the bank investigates. Paying a foreign-merchant visa fee on credit keeps that money in your pocket until everything is confirmed.
The second argument is the float. If you are paying for several travelers at once — say four eVisas at $80, which is $320 in one sitting — a credit card lets the charge ride until your statement closes. A debit card pulls all $320 from checking immediately. Neither is wrong, but if your balance fluctuates, the float buys you breathing room you do not get with debit.

Prepaid debit cards and Visa or Mastercard gift cards are the gray zone. Some go through without issue; many do not. They carry a Visa or Mastercard logo, so on paper they look identical to a regular debit card — but the issuers behind them often block international online merchants, and a fair number reject any transaction that needs a billing address or ZIP they were never registered with.
The bigger risk with a gift card is that it is a closed pool of money. A regular debit card draws on a checking account you can top up; a $100 Visa gift card holds exactly what was loaded onto it. If the eVisa charge fails partway — a fraud screen, a ZIP mismatch, a partial authorization that does not clear — the funds can sit in limbo for days, and you cannot simply add more to push the payment through. We have watched travelers burn an afternoon trying to make an under-funded gift card cover an $80 visa.
If a prepaid or gift card is genuinely all you have, two things make it more likely to work. First, register the card with your name and billing ZIP on the issuer's website before you pay, so the address-verification step matches. Second, confirm the card balance comfortably exceeds the price — a $90 Business eVisa on a card holding exactly $90 leaves no room for a foreign-transaction quirk. Where you have the choice, a standard bank debit card or a credit card is far less fuss.

A declined debit card at the Cambodia eVisa checkout almost never means the visa service rejected you. It means your bank stopped the charge, and there are only a handful of reasons it does. Work through them in order and the vast majority of US debit declines clear in a couple of minutes without leaving the page.
And to be clear about what a failed charge costs you: nothing. A declined debit attempt does not bill you, does not start a partial application, and does not count against any limit. You can switch to a different card or wallet and try again immediately. The price is the price — $80 Tourist, $90 Business, billed in US dollars — and no surcharge is added for using debit rather than credit.

Pay for the Cambodia eVisa on a debit card with confidence, as long as two boxes are ticked: it carries a Visa or Mastercard logo, and international online purchases are switched on in your banking app. The full $80 Tourist or $90 Business fee leaves your checking account the moment you confirm, billed in US dollars, and you get the same printable PDF approved in 3–5 days that a credit-card payment buys.
Reach for a credit card instead when you want the stronger chargeback safety net, when you are paying for a family in one sitting, or when your checking balance runs close to the line and you would rather not pull the money today. Steer clear of under-funded prepaid and gift cards unless they are your only option and you have registered the billing ZIP first. Every one of these paths leads to the same approved eVisa — the choice is purely about which way you would rather move the money.