How a Boku casino deposit works: SMS confirmation, £5 minimum, £40 payment cap
Boku is a direct carrier billing provider: it charges purchases to your mobile bill or PAYG credit after an SMS confirmation. For casinos it historically meant deposits from £5 with a per-transaction cap of usually £30, deposit-only, no card details shared. Boku's low limits suited budgeted play, which is why the method built such search demand.
A Boku casino is simply a UK online casino that lists Boku as a cashier option alongside cards and e-wallets, not a separate category of site. The games, licence and RTPs stay identical to any other payment route; only the funding and confirmation step changes. Because Boku is an integration an operator can switch off at any time, which sites still count as a Boku casino shifts from month to month rather than staying fixed.
Boku casino support is shrinking because of tighter UKGC affordability checks
Boku casino support is shrinking because tighter Gambling Commission affordability and source-of-funds checks made carrier billing the least transparent funding route for operators. Carrier billing leaves no bank statement trail and minimal customer data. Rather than build extra checks around it, most large operators removed Boku from the cashier entirely, mostly since 2023. The retreat has been gradual and quiet: sites rarely announce it, the option simply disappears.
Boku casino provider status in 2026: live but shrinking
| Provider | Status in 2026 | Min deposit | Provider fee |
|---|
| Boku | Live, but shrinking casino support | £5 where offered | none published by Boku; any casino surcharge varies |
| Siru Mobile | Working (Videoslots platform) | £10 according to the operator | ~25–33% added on top |
| In Touch Games in-house | Closed Sept 2023, licence surrendered | n/a | n/a |
Boku is live but shrinking at UK casinos; Siru Mobile, which adds about 25–33% on top, is the working alternative from £10.
Boku deposit limit: usually £30 a transaction, £40 by law
| Limit | Typical figure |
|---|
| Minimum deposit | From £5, though some operators set it nearer £10 |
| Per-transaction cap | Usually £30 |
| Legal cap | £40 a payment and £240 a month, under the Payment Services Regulations 2017 |
| Confirmation step | One-time SMS code before the charge is approved |
The Boku deposit limit is usually £30 per transaction where Boku is still offered, with deposits from £5 and an SMS code before each charge.
Finding a Boku casino that still works in 2026: Siru Mobile instead
Videoslots and Mr Vegas take phone-bill deposits through Siru Mobile, the closest working alternative to a Boku casino in the UK. Mega Riches, on the same Videoslots Ltd licence, lists Siru too, according to the operator. All three are on the main shortlist, and the minimum deposit breakdown shows how the fees stack up. The user experience on Siru is near-identical to Boku: amount, phone number, SMS confirm.
The £3, no-fee in-house route some older guides still list belonged to In Touch Games Limited (mFortune, PocketWin, Mr Spin); its UKGC licence was suspended and then surrendered in September 2023, and none of those brands are still trading.
If a site you already play at lists Boku in its cashier, treat it as a temporary option rather than a promise, and check any surcharge shown before you confirm, because Boku publishes no consumer fee and the casino sets it.
£5 Boku deposit: the lowest stake, usually too small for a bonus
- At the handful of cashiers still listing Boku, £5 is typically the lowest stake that clears the minimum threshold.
- A £5 Boku deposit is confirmed the same way as any larger deposit: enter the amount, add a mobile number, approve the SMS prompt.
- Boku publishes no consumer fee, so any surcharge on a £5 deposit is set by the casino and shown before you confirm.
- A £5 deposit counts towards the legal £240 monthly limit on your phone number like any larger deposit.
- Welcome-offer eligibility on a £5 deposit varies by operator and often sits below the £10-£20 threshold many bonuses require.
Boku slots work like card-funded slots, with the same games and terms
- Boku doesn't restrict which games are available; once the deposit clears, the balance behaves exactly like a card or e-wallet deposit.
- Slots typically make up the bulk of the game list at sites still accepting Boku, alongside a smaller table-games and live-dealer selection.
- Which titles you can actually play depends on the operator's own licence and content deals, not on Boku itself, so the game list still needs checking site by site.
- Wagering requirements and bonus terms attached to slots are set by the casino rather than by Boku, so the deposit method itself doesn't change what the offer terms say.
18+ only. Gambling can be harmful, set limits before you deposit. Free, confidential help: BeGambleAware.org and GamCare (0808 8020 133). Self-exclude from all UK-licensed sites at GAMSTOP.
· SIRU
