A bet365 bonus code - also called a promo code or voucher code - is a short piece of text you type into a designated field when creating a new bet365 account. The Sports-King code is THEKING. You enter it once, during registration, and that is the end of your involvement with it.

The important thing to understand upfront is that the code does not change the size of the welcome offer. bet365 operates a consistent policy across all their partner affiliates - every qualifying new customer receives the same offer regardless of which code they enter. What the code does is confirm that you arrived via a partner-referred registration, which is how affiliate tracking works across the industry.

The welcome offer itself is a deposit-and-bet deal. You open an account, make a qualifying deposit, place a qualifying bet, and once that bet settles, Bet Credits are released to your account. The specific amounts and minimum requirements vary by country - bet365 tailors its offers to each market it operates in. But the mechanism is the same everywhere: deposit, bet, receive credits.

The process is straightforward and takes place entirely during account opening. Here is the step-by-step breakdown:

1. Go to bet365 via a qualifying linkOpen the bet365 registration page through this link. You will land on the new account form for your region.
2. Fill in your personal detailsName, address, date of birth, email address. Standard registration. bet365 will verify your identity as part of this process - having a payment method ready will help speed things up.
3. Enter the bonus codeNear the bottom of the registration form there is a field labelled "Bonus Code" or "Promo Code." Type THEKING into that field. The code is not case-sensitive, but double-check the spelling to be safe.
4. Make your qualifying depositDeposit the minimum required amount for your region using an accepted payment method. Note that certain e-wallets and prepaid cards are typically excluded from welcome offer eligibility - check bet365's terms for your country before depositing.
5. Opt in to the promotionAfter depositing, bet365 will prompt you to opt in to the new customer offer. Do this before placing your first bet. If you skip the opt-in step, your qualifying bet will not count.
6. Place a qualifying betBet the minimum required amount on any eligible sports market at the minimum qualifying odds. The bet must settle within the window specified in your region's terms - typically 30 days from registration.
7. Receive your Bet CreditsOnce your qualifying bet settles, Bet Credits are credited to your account - usually within an hour. You will then have a set number of days to use them (typically 7) before they expire.

Bet Credits are bet365's version of a betting credit. They are not cash - they are a credit you can use to place bets, with the winnings (but not the credit stake itself) paid out as real money you can withdraw.

Here is a simple example of how Bet Credits work in practice. If you receive a Bet Credit worth ten units and use it to place a bet at odds of 2/1, and the bet wins, you receive twenty units in real withdrawable winnings. You do not get the original credit back. If the bet loses, the credit is gone - exactly like a standard bet, except it was the credit at risk, not your own money.

Because the stake is not returned when you win, Bet Credits are generally most effective at slightly higher odds. A winning credit at long odds returns more than the same credit at short odds. There is no obligation to bet them all at once - you can split them across multiple markets, which is often a smarter approach than putting everything on one outcome.

Bet Credits typically come with an expiry window - at bet365 this is usually seven days from the point the credits are released. Make sure you have a plan for how to use them before they land in your account. If the window closes and the credits are unused, they disappear.

This is the question that comes up most often, and it is reasonable. If the code does not make the bonus bigger, why bother having one at all?

The answer is that bonus codes at bet365 are tracking tools, not negotiating chips. bet365 made a deliberate policy decision not to allow affiliates to compete by inflating welcome offers with different codes. Every valid code unlocks the same deal for your region. The code identifies which partner channel brought you to the registration page - that is its entire function.

You will come across many different codes for bet365 in any given market. All of them unlock the same offer. Using Sports-King's code THEKING costs you nothing and supports this site at zero expense to you. That is the only reason we push a specific code rather than just telling you to sign up directly.

It is also worth knowing that entering a code is optional at bet365 - you can still qualify for the welcome offer without one. But since it takes three seconds and has no downside, there is no reason not to.

A few practical principles that apply regardless of the size of the credits you receive or the currency you are playing in.

You can split your credits across multiple bets rather than using them all on one wager. This is often a smarter approach, particularly if you have a reasonable window of time in which to use them. Multiple smaller bets spread the risk and give you more opportunities to get a return.

Be aware of which markets are eligible. Tote bets and certain speciality markets are typically excluded from Bet Credits at bet365. Before confirming any bet using a credit, check your bet slip to make sure the credit has actually been applied - if it has not, you will be using your real balance instead.

Finally, and this is straightforward but worth stating clearly: do not try to use your Bet Credits as the qualifying bet. The qualifying bet must come from your real deposited balance. The credits are the reward that follows once the qualifying bet settles.