Legal Documents

Bk4 Terms & Conditions — The Complete Membership Guide

Please read these terms and conditions carefully before creating an account on bk4. They clearly set out your rights, responsibilities, and all conditions governing use of our platform.

Last Updated
January 2026
These terms and conditions are governed by an international gaming license.

Key Terms at a Glance

Below is a summary of our terms and conditions across six key sections

Account & Eligibility

You must be at least 18 years old to open an account on bk4. Each person is allowed only one account. Registering with accurate information is mandatory.

Deposits & Withdrawals

Deposits can be made via Mobile Pay, Nagad, and Rocket. KYC verification must be completed before withdrawals. Winnings are generally processed within 24 hours.

Bonus & Promotion Terms

Each bonus offer has specific wagering requirements. Bonus funds cannot be withdrawn directly. Bonuses may be forfeited if the conditions are not met.

Betting Rules

Bets cannot be cancelled once they have been confirmed. bk4's decision is final in all matters relating to odds changes. We reserve the right to investigate any suspicious betting activity.

Account Security

Keep your login credentials strictly confidential. Sharing your account with anyone else is prohibited. Report any suspicious activity to us immediately.

Prohibited Activities

Match fixing, money laundering, and any form of fraudulent activity are strictly prohibited. Accounts found to be involved in such activity will be permanently closed.

Last Updated: January 2026

These Terms & Conditions constitute a legal agreement for using the bk4 platform. By creating an account, you confirm that you have read and agreed to all of these terms.

1 General Terms & Conditions

Bk4 is an international online betting and gaming platform operated through the domain https://bk4.online. These Terms & Conditions apply to all services, products, and promotions offered by bk4. By registering on this platform or using it in any capacity, you are deemed to have accepted all of these terms.

Bk4 reserves the right to update these terms and conditions at any time. Any changes will be notified on the website. Continued use of the platform after such changes constitutes your acceptance of the updated terms.

  • These terms and conditions apply to all members, visitors, and guest users.
  • Bk4's decisions shall be considered final in all matters.
  • In the event of any conflict between the Bangla and English versions of these terms, the English version shall prevail.
  • If any part of these terms is found to be invalid or unenforceable, the remaining provisions will continue to apply.

2 Account Registration & Eligibility

You must be at least 18 years old to open an account on bk4. This platform is strictly off-limits to minors. All information provided during registration must be accurate, complete, and current.

Each person may hold only one account. If multiple accounts are found to belong to the same individual, all accounts will be closed and all balances may be forfeited. Operating multiple accounts from the same device or IP address is also prohibited.

KYC verification may require submission of a National ID (NID), passport, or driving licence. Withdrawals may be restricted until verification is complete.

  • Providing false information during registration will be considered a violation of these terms.
  • Keep your account password and login credentials strictly confidential.
  • You are solely responsible for all activity carried out on your account.
  • If you suspect your account has been hacked or accessed without authorisation, contact our support team immediately.

3 Deposit & Payment Policy

Bk4 currently supports deposits via Mobile Pay, Nagad, and Rocket. The minimum deposit amount is ৳300 and the daily maximum is ৳50,000. Any new payment methods added will be announced separately on the site.

When making a deposit, you must use the mobile number linked to your account. Third-party payments are not permitted. If a payment fails or is delayed, contact our support team directly — payments are typically credited to your account within 15 minutes.

  • Deposited funds will be credited with no transaction fees.
  • Deposits cannot be reversed once completed, so please make sure before you deposit.
  • Accounts may be temporarily suspended while suspicious payment activity is under investigation.
  • Bk4 reserves the right to verify any deposit when necessary.

4 Withdrawal Policy

To withdraw winnings from bk4, you must first complete KYC verification. The minimum withdrawal amount is ৳500. Withdrawal requests are typically processed within 15 minutes to a maximum of 24 hours.

Winnings earned from bonuses are subject to wagering requirements before withdrawal. Withdrawal requests cannot be processed until those requirements are met. In cases of suspicious activity, withdrawals may be delayed by up to 72 hours.

Withdrawals will be sent to the mobile number registered to your bk4 account. bk4 is not responsible for funds sent to an incorrect number.

5 Bonus & Promotion Terms

All bonus and promotional offers at bk4 are subject to specific terms. Please read the relevant terms for any offer — including welcome bonuses, cashback, referral bonuses, or others — before claiming.

  • Bonus funds cannot be withdrawn directly — wagering requirements must be met first.
  • Wagering requirements are typically 10–30 times the bonus amount.
  • Each member is eligible for the welcome bonus once only.
  • If bonus abuse or fraud is detected, the bonus and any associated winnings will be forfeited.
  • Each bonus has a set expiry date — once it expires, the bonus is automatically cancelled.
  • Bk4 reserves the right to modify or cancel any bonus offer at any time without prior notice.

6 Betting Rules

Before placing any bets on bk4, make sure you read the specific rules for each game. Once a bet is confirmed, it cannot be cancelled or modified. For live betting, odds may change at any time.

  • If a match or event is postponed or cancelled, the outcome of the related bet will be determined by bk4.
  • If incorrect odds are displayed due to a technical error, bk4 reserves the right to void the affected bets.
  • The minimum bet amount may vary depending on the market.
  • In a system bet or combo bet, losing one selection may affect the outcome of the entire bet.
  • Bk4 reserves the right to investigate suspicious betting patterns and suspend accounts accordingly.

7 Prohibited Activities

The following activities are strictly prohibited on the bk4 platform. Violations may result in permanent account closure and forfeiture of all balances.

  • Participating in match fixing or any form of sports corruption.
  • Money laundering or conducting transactions using illegally obtained funds.
  • Using multiple accounts to claim bonus benefits.
  • Using bots or automated software to place bets.
  • Exploiting platform vulnerabilities or bugs to gain an unfair advantage.
  • Stealing personal information from other members or harassing them.
  • Spreading false information using the bk4 name or logo.

If evidence of prohibited activity is found, bk4 reserves the right to notify the relevant legal authorities.

8 Account Closure & Suspension

Bk4 reserves the right to close or suspend any account at any time, for any reason, without prior notice — particularly in cases of terms violations, suspicious activity, or prohibited conduct.

You may also request to close your account at any time by contacting our support team. Any pending bets will be settled from your balance before the account is closed.

  • If an account is closed due to a terms violation, the balance may not be refunded.
  • If you close your account yourself, you will have the option to withdraw your remaining balance.
  • Once self-exclusion is activated, it cannot be reversed before the specified period has ended.

9 Limits of Liability

Bk4 is not liable for any losses resulting from technical errors, server issues, or third-party service failures. bk4 cannot be held responsible for any direct or indirect financial losses arising from use of the platform.

  • Bk4 is not responsible for bets lost due to internet connectivity issues.
  • Bk4 is under no obligation to refund money lost through betting.
  • Bk4's maximum liability for any single incident will not exceed the member's account balance at that time.

10 Changes to Terms

Bk4 reserves the right to update or modify these Terms & Conditions, in whole or in part, at any time. The revised version will be published on the website and the "Last Updated" date will be changed accordingly.

For significant changes, a notification may be sent to your registered email or mobile number. However, members are advised to review the terms and conditions regularly at their own responsibility.

11 Contact & Dispute Resolution

For any questions or complaints regarding these terms, please contact our support team. We aim to resolve all complaints within 72 hours.

  • Email: support@bk4.online
  • Live Chat: Click the icon at the bottom right of the site.
  • Support hours: 7 days a week, 24 hours a day.

Disputes will first be handled through our internal resolution process. If a resolution cannot be reached internally, the matter will be referred to international arbitration.

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