Last checked 1 September 2026: Siru Mobile UK limits (£500/30 days, common £240/month network cap) and no wallet-to-bank withdrawal were checked on sirumobile.com/faq.
Pay by SMS is a mobile-bill deposit route for small UK casino top-ups. You approve the payment on your handset, usually by SMS code or a provider prompt, and the charge is added to your contract bill or taken from pay-as-you-go (PAYG) credit. It can suit players who want a quick deposit without entering card or bank details in the cashier, but it is not a withdrawal method. If you fund an account this way, plan a separate cashout route such as debit card, bank transfer, PayPal or another option shown in the casino cashier.
The important point for UK players is the method role: Pay by SMS is about funding the account, not receiving winnings back to a phone bill or PAYG balance. Limits are usually low, network or provider fees can apply, bonus exclusions are common, and normal UK verification checks still apply before play and withdrawals. Final payout timing after any deposit always depends on operator approval, KYC or source-of-funds checks, bank or payment processing, weekends, and any account-specific review.
Pay by SMS casino list
The casino card below is preserved from our current page data. Treat it as a starting point for checking whether Pay by SMS or Siru Mobile appears in the cashier, not as a promise that every withdrawal can be handled through the same route. Check the operator cashier, bonus terms and withdrawal page before depositing.
Casumo Casino
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Fastest Reported Time:
Within hours after review for verified accounts
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Deposit Methods:
Visa Debit, Mastercard Debit, Apple Pay, PayPal, Trustly, Paysafecard, Skrill and Instant Banking
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Withdrawal Methods:
Withdrawal availability depends on the deposit route, account and closed-loop checks; confirm the route shown in the live cashier
- Minimum deposit: £10
- Maximum Withdrawal:(per transaction) £120,000 per day (cross-game, progressive jackpots exempt)
- Payout times: Casumo says withdrawals are reviewed and processed within a matter of hours. Final payout timing can still depend on payment method, provider and KYC/source-of-funds checks.
- Minimum Withdrawal: £1 (£3 fee under £10)
- Fees: £3 fee on withdrawals under £10; otherwise none
- Cashout on Weekends: Yes (processed in business days)
- Cancel Withdrawal: No (not available for UK players)
- Manual Flushing: No
- Play without account: No
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#Ad | 18+ | Play Responsibly. New UK players only, opt-in required. Welcome offer: 50% deposit bonus up to £100 on first deposit (min deposit £20). 10x wagering on bonus amount. Max bet/spin €5 or local equivalent while bonus is active. Bonus valid for 7 days. Game, play and payment method restrictions apply. Full T&Cs at casumo.com. Please gamble responsibly. Visit www.begambleaware.org or call the National Gambling Helpline on 0808 8020 133.
What Pay by SMS is and how it differs from Pay by Phone
Pay by SMS is a form of carrier billing where the deposit is confirmed through your mobile number, often with an SMS verification code. At UK casinos the route is commonly delivered through mobile billing providers such as Siru Mobile, Boku, Fonix or Payforit, depending on what the operator has integrated. Cashier labels vary: you may see Pay by SMS, Pay by Mobile, Siru Mobile or a network-branded mobile billing option.
That overlap can be confusing. Our Pay by Phone guide covers the wider mobile-billing category, including Boku and Fonix flows. This page focuses on SMS-confirmed carrier billing and the practical checks UK players need before using it. Neither route supports withdrawals to a phone bill.
- Best fit: small deposits and quick top-ups when card entry is not your first choice.
- Not a fit: regular withdrawals, high-limit deposits or bonus-led play without reading payment exclusions first.
- Main caveat: your withdrawal will need another approved method in your own name.
- Checks still apply: UK casinos still need age, identity and payment checks.
How Pay by SMS deposits work
The exact cashier wording varies by operator, but the deposit flow is usually straightforward. You choose Pay by SMS, Siru Mobile or an equivalent mobile billing option if it is available, enter a small amount and your UK mobile number, then approve the payment through an SMS code, PIN or provider prompt. If approved, the casino balance is credited and the charge is handled through your mobile account.
- Open the casino cashier and choose Pay by SMS, Siru Mobile or the equivalent mobile billing option if it is listed.
- Enter the deposit amount and mobile number registered to your casino account.
- Check the confirmation screen for fees, limits and the total amount that will appear on your phone bill or leave PAYG credit.
- Approve the payment only if the total cost and limits are clear.
Siru Mobile states that the registered phone number on the merchant site should match the number used for payment, that hidden or withheld numbers can fail, and that a verification code sent by SMS is typically valid for a short window before you need to restart the flow. Deposits can appear quickly after approval, but timing depends on the casino, billing provider and your network account.
UK regulation: mobile billing and casino checks
Two regulatory layers affect Pay by SMS at UK-licensed casinos.
Phone-paid services. Carrier-billed payments in the UK are regulated as premium-rate or phone-paid services. Ofcom assumed day-to-day responsibility from the Phone-paid Services Authority on 1 February 2025. Providers must show the total charge before purchase, use confirmation steps such as SMS approval, and apply spending controls at network level. Exact caps can vary by network and billing route, but UK mobile-billing deposits are commonly restricted to modest per-transaction amounts and a monthly ceiling enforced by the operator, often around £240 per month on many UK networks. Siru Mobile also publishes its own rolling 30-day UK limit of £500, which sits alongside, not instead of, network and casino limits.
UK Gambling Commission rules. Any UKGC-licensed casino offering mobile-bill deposits must still verify customers, apply anti-money laundering checks and provide safer-gambling tools. Since 31 October 2025, operators must prompt customers to set a financial limit before the first deposit unless the customer actively opts out. From 30 September 2026, only gross deposit limits (total paid in over a set period) may legally be labelled a deposit limit, with equal prominence to other limit types. Pay by SMS does not bypass any of these steps.
Credit-card gambling remains banned in Great Britain. Pay by SMS is not the same as a credit card, but on a pay-monthly contract you are spending before the bill is settled, so it still suits controlled budgets rather than large or repeated top-ups.
How withdrawals work after a Pay by SMS deposit
You cannot normally withdraw casino winnings back to a phone bill or PAYG balance. Siru Mobile confirms that wallet or carrier-billing balances cannot be transferred to a bank account through the service. After a Pay by SMS deposit, the casino will ask you to choose another approved withdrawal method. The available options can include debit card, bank transfer, PayPal or an e-wallet, depending on the operator, your verification status and any closed-loop rules that require withdrawals to follow the deposit route where possible.
To reduce avoidable delays, set up your cashout method before you need it. The name and details should match your casino account, and you may need to complete verification before the withdrawal is processed. UK-licensed casinos are expected to verify customers and apply anti-money laundering and safer-gambling checks, so Pay by SMS should never be treated as a way around KYC.
Payout speed is never fixed at the payment-method level. Even after the casino releases a withdrawal, your bank, card issuer or wallet provider may need additional processing time, especially over weekends or bank holidays. If timing matters, compare routes designed for both deposits and withdrawals, such as debit card, PayPal or Trustly, and read the operator withdrawal page for its current rules.
Fees, limits and bonus exclusions
Pay by SMS is convenient, but it is rarely the cheapest or most flexible casino payment route. Siru Mobile states that the total price includes the deposit amount plus a transaction fee and any subscription-specific service charge, and that the fee is shown before you confirm. Low caps are common at three levels:
- Network limits: many UK networks enforce carrier-billing caps that can sit around £240 per month, with daily or per-transaction limits also possible.
- Provider limits: Siru Mobile publishes a rolling 30-day UK limit of £500, calculated on payment amounts including fees.
- Casino limits: the operator may set its own minimum and maximum mobile-billing deposit amounts beneath those ceilings.
Some casinos also exclude mobile-bill deposits from welcome bonuses, reload offers or free-spin promotions because the payment route is not treated like a standard card or bank deposit. Always read the bonus terms for excluded payment methods before depositing.
- Check the payment prompt before confirming the deposit.
- Read the bonus terms if you are depositing to claim an offer.
- Expect lower limits than card, PayPal or bank-transfer deposits.
- Choose another method if you need the same route for withdrawal.
Network support and common problems
Siru Mobile states that it works in the UK with local mobile subscriptions, but not with Virgin Mobile or operators on its associated networks. Other Pay by SMS providers may support different networks, so availability can differ by casino integration. EE, O2, Vodafone and Three are commonly cited for UK mobile-bill gambling deposits, but you should confirm with your network that charge-to-mobile gambling transactions are permitted on your plan.
Deposit not credited
Confirm the SMS approval completed and that you have enough PAYG credit or contract headroom. If the charge appears on your phone account but not in the casino balance, contact casino support with the time, amount and mobile number. If the casino cannot resolve it, escalate to the billing provider and then your network.
Payment rejected or limit reached
Siru Mobile lists common failure reasons as hitting its own spending limit, reaching a network subscription limit, insufficient PAYG credit, charge-to-mobile being blocked on the plan, or the number being blocked. You can review Siru spending and transaction history through MySiru, Siru Mobile’s self-service portal.
Bonus exclusion after deposit
Mobile-bill deposits are often excluded from welcome or reload offers. Check the promotion terms before you deposit if the bonus is part of your plan.
When Pay by SMS is not the right choice
Pay by SMS is not ideal if you want one payment method for the full casino journey. It can also be a poor fit if you need larger limits, lower costs, predictable withdrawal speeds or bonus eligibility. In those cases, compare mainstream methods first and use SMS only if the cashier terms are clear.
- Use debit card or bank transfer if you want a common withdrawal route.
- Use PayPal, Skrill or another e-wallet if the casino supports it and you prefer wallet-based cashouts.
- Use Trustly or instant bank transfer where available if bank-led payments suit your account.
- Use Pay by SMS only for small deposits where the fee, limit and bonus impact are acceptable.
For a wider comparison, see our UK withdrawal methods hub.
Safety, KYC and responsible gambling
At a UK-licensed casino, Pay by SMS does not remove the usual gambling checks. You must be 18+, the operator can request identity and address verification, and affordability or source-of-funds checks may apply. If the deposit is billed to your phone account, keep an extra eye on spend because the charge may feel less visible than a bank-card transaction.
Siru Mobile recommends protecting your handset with a PIN or screen lock because anyone with access to the device and subscription could approve a payment. Do not share verification codes with anyone else.
If gambling is becoming hard to control, use the safer-gambling tools available through the operator and consider support from GAMSTOP, GamCare and BeGambleAware. GamCare operates the National Gambling Helpline on 0808 8020 133. You can also compare safer payment choices in our UK-licensed casino sites guide.
FAQ
Can I withdraw with Pay by SMS?
No. Pay by SMS is a deposit route. Casino withdrawals normally need another approved method such as debit card, bank transfer, PayPal or an e-wallet. Timing depends on operator review, verification and your chosen payout provider.
Is Pay by SMS the same as Pay by Phone?
Often closely related, but not identical. Pay by Phone is the broader mobile-billing category. Pay by SMS usually describes deposits confirmed by SMS or a similar handset prompt, often through Siru Mobile or another integrated provider. Both are typically deposit-only at UK casinos.
Is Pay by SMS good for casino bonuses?
Often no. Mobile-bill deposits can be excluded from welcome bonuses and reload offers, so check the bonus terms before depositing.
Does Pay by SMS avoid casino KYC?
No. UK casinos still need age, identity, payment and safer-gambling checks. Pay by SMS should not be used or advertised as a way to avoid verification.
Are Pay by SMS deposits instant?
They can be credited quickly after approval, but availability, fees and limits depend on the casino, mobile provider and your phone account. A fast deposit does not make Pay by SMS a payout route.
Which UK networks work with Siru Mobile?
Siru Mobile states that it works with local UK subscriptions but not with Virgin Mobile or operators on its associated networks. Other Pay by SMS integrations may differ, so confirm in the casino cashier and with your network before depositing.
What are the main Pay by SMS limits in the UK?
Limits stack. Siru Mobile publishes a rolling 30-day UK limit of £500 including fees, while many UK networks also apply their own monthly carrier-billing caps, commonly cited around £240. Casinos can set lower per-deposit limits still. Check the confirmation screen before you approve the charge.
Charlie Davids has over 15 years of experience in the online gambling space. Starting out as a poker player, he gradually moved into writing to help players better understand casinos, apps, and payment methods.
Today, Charlie focuses on mobile-first gambling, with a passion for making complex topics simple and trustworthy. Whether it's withdrawal speeds or casino reviews, he brings clarity from a player's perspective.