The OKX referral code CODE777 is entered once, during registration, and it decides two things about the account you are about to create: access to a welcome package of up to $10,000 and a trading fee discount of up to 50%. Both figures are upper limits, not amounts anyone hands you. This post covers one narrow question — where the field actually is — because that is where most people lose the benefit without noticing.
The field is optional, collapsed, and easy to miss
On the registration form the referral field is not shown by default. It sits behind a small toggle labelled as optional, usually below the password field. Nothing warns you if you skip it, and the account is created perfectly well without it.
That is the whole problem. The form gives no error, no reminder, and no second chance.
Two ways to attach the code
| Method | What happens | When it works |
|---|---|---|
| Type it manually | You expand the optional section and enter CODE777
|
Before you submit the form |
| Open a referral link | The field is pre-filled for you | Before the account exists |
Both produce the same result. The link route simply removes the step people forget. If you prefer it, the registration URL carrying the code is okx.com/join/CODE777.
What you cannot do afterwards
This is the part worth being blunt about: a referral code cannot be attached to an account that already exists. The binding happens at account creation. Support cannot add it later, and creating a second account to fix it runs into the exchange's own one-account rules.
If you already registered without a code, the welcome package tied to a referral is simply gone for that account. There is no workaround worth pursuing.
What "up to" means here
Both headline numbers are caps:
- Up to $10,000 is a combined ceiling across several separate tasks — deposits, verification, trading volume — each unlocking a portion under its own conditions.
- Up to 50% is the maximum fee discount, applied on top of whatever volume tier the account sits in.
Neither is a payout. Neither is guaranteed. Regional availability and campaign terms change, and the exchange's own terms are the only authoritative source.
FAQ
Is CODE777 required to open an account?
No. Registration works without any code. The code only determines whether the referral-linked welcome package and fee discount apply.
Can I enter the code after signing up?
No. It is bound at account creation and cannot be added later.
Does the code cost anything?
No. Referral codes are free to use. The exchange pays the referrer from its own fee revenue, not from your balance.
Does the fee discount apply to withdrawals?
No. Withdrawal fees are set per asset and are separate from trading fees.
Figures reflect the referral programme as advertised at the time of writing and are subject to change. Always check the current terms before depositing.
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