KuCoin Referral Code: QBAY1X4K (20% Off Fees + 11K USDT)

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Last updated
August 2, 2026
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Summary: Sign up with KuCoin referral code QBAY1X4K to receive a 20% cashback rate on the trading fees you pay across spot, margin, futures, and ETF markets, credited daily in the same currency each fee was charged in.

The code also qualifies new accounts for the KuCoin Welcome Rewards program, a stack of withdrawable cash, trading fee coupons, and futures trial funds worth up to 11,000 USDT for completing tasks after registration.

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KuCoin is a global crypto exchange serving over 40 million users across 200+ countries, with deep altcoin coverage and a rewards program that pays new users in withdrawable cash.

Referral Offer
20% Cashback on Fees
Referral Country Restrictions
Unavailable in Belgium, France, and the Netherlands
Available Assets
1,500+ assets (Spot, Futures, Margin, and ETFs)
We may receive a commission when you make a transaction through our links, at no extra cost to you.

What is a KuCoin Referral Code?

A KuCoin referral code ties a new account to its inviter and decides how much of the platform's referral commission is passed back to you as cashback. QBAY1X4K is the Datawallet code, set to share a 20% cashback rate on your trading fees from the first order you place.

Under the official KuCoin Referral Program terms, inviters earn up to 35% commission on the fees their invitees pay, reassessed on the first of each month based on referral performance. The inviter chooses how much of that commission to hand back as cashback, so the code you enter matters. A code with no cashback share leaves the full commission with the inviter and nothing with you.

Cashback and commissions are calculated on the fees you pay, settled daily, and credited the following day in the matching currency. Eligible markets cover spot (including margin and trading bots), ETFs, and futures, while API trading generates no rebate. Since KuCoin rewrote the program rules in May 2025, commissions run for 365 days from the invitee's registration date rather than indefinitely. Codes must be entered during sign-up because KuCoin does not apply them retroactively.

What is a KuCoin Referral Code?

How to Use a KuCoin Referral Code

Registering with QBAY1X4K takes a few minutes, and every later reward depends on getting this first step right:

  • Open the referral link: Go to KuCoin through the Datawallet link so QBAY1X4K appears in the referral field of the sign-up form automatically.
  • Register an account: Choose email or mobile registration and set a strong password.
  • Confirm your contact details: Enter the six-digit code sent to your inbox or phone to activate the login.
  • Verify your identity: Submit ID documents to complete KYC, which is required for referral eligibility and the identity verification reward.
  • Make a first deposit: Fund the account by bank transfer, card, P2P trade, or crypto transfer to trigger the deposit task.
  • Place a trade: Execute a spot, futures, or margin order to start the cashback and count towards the trading tasks.
  • Claim tasks in the Rewards Hub: Open the Rewards Hub, claim each completed task, and check cash under your Funding Account and coupons under My Coupons.
  • Withdraw cash rewards: Submit a withdrawal once your balance clears the minimum threshold, since unclaimed Rewards Hub credits expire.

KuCoin Welcome Rewards for New Users

The Welcome Rewards program advertises up to 11,000 USDT for new accounts, and most of that headline is futures trial funds rather than cash. The full stack combines withdrawable USDT cash, spot and futures fee coupons, and trial funds worth around 10,500 USDT at the top end.

Cash rewards land in the Funding Account and can be withdrawn once the minimum balance is met, which separates KuCoin from exchanges that pay sign-up offers purely in vouchers. Coupons offset fees on future trades, and trial funds can be used as futures margin, where profits become withdrawable under the program conditions.

KuCoin's recent new user campaigns, including the Million Reward Season, gave 14 days from registration to finish verification, deposit, and trading tasks, so treat the first two weeks as the window that decides your payout. Rewards are voided if KuCoin's risk controls detect duplicate accounts or registrations sharing an IP address or device.

KuCoin Daily Tasks and Ongoing Rewards

Beyond the one-time welcome stack, the KuRewards program runs recurring trading missions that pay small amounts of withdrawable cash for everyday activity. Missions span spot, futures, and margin markets, reset daily, and sit alongside comeback offers for returning users.

Claim each mission inside its campaign period, because completed tasks left unclaimed pay nothing. Withdraw on a regular schedule too, since credited cash stays valid for 30 days and expires automatically if it is not withdrawn.

KuCoin Daily Tasks and Ongoing Rewards

Where Do I Find My KuCoin Referral Code?

Once your account is live, KuCoin gives you a personal code so you earn the commission side when friends join.

1. Locating Your KuCoin Referral Code via the Web Browser

The desktop dashboard shows your code, invitation link, and the commission rate applied to your account.

  • User Login: Sign in and click the profile icon in the top right corner of the dashboard.
  • Referral Tab: Choose Referral Program from the dropdown to open the referral interface.
  • Code Display: Your code and full invitation link sit at the top of the panel.
  • Cashback Split: Set how much of your commission is shared with invitees as cashback, up to your current rate.
  • Link Sharing: Copy the code or link with the built-in buttons and share it anywhere.

2. Finding Your KuCoin Referral ID Using the Mobile Application

The app mirrors the desktop referral tools and adds the native share sheet on iOS and Android.

  • App Launch: Open the KuCoin app and log in with your credentials or biometrics.
  • Profile Access: Tap the profile icon in the top left corner to reach account settings.
  • Referral Section: Pick Referral or Invite Friends from the menu.
  • Code Retrieval: Copy the code or invitation link shown at the top of the screen.
  • Native Sharing: Send it to contacts through any messaging or social app.
Where Do I Find My KuCoin Referral Code?

KuCoin Referral vs Affiliate Program

The standard Referral Program is open to every KYC-verified user without an application. It pays up to 35% commission on invitees' spot, margin, ETF, and futures fees, reassessed monthly, and each invitee generates commissions for 365 days after registering. Sub-accounts, institutional accounts, and invitees who reach VIP level 3 or above fall outside the commission pool.

The KuCoin Affiliate Program targets content creators, communities, and businesses with an existing audience. Approved affiliates earn up to 60% commission, get promotional materials and campaign support, and work with a dedicated manager rather than the self-service dashboard. For sharing a code with friends, the standard program is the sensible starting point. The affiliate application makes sense once you drive consistent sign-up volume.

KuCoin Referral vs Affiliate Program

KuCoin Referral Availability by Country

The referral terms exclude residents of Belgium, France, and the Netherlands, along with any region where KuCoin's services are restricted, and the company reserves the right to adjust that list. Product access also varies by jurisdiction, so an account that can register may still face limits on derivatives or fiat services.

The bigger shift is in Europe. KuCoin EU Exchange GmbH received a MiCA licence from Austria's Financial Market Authority in November 2025 and launched its regulated platform for 29 EEA markets in January 2026, starting with spot trading and euro deposits. EEA residents onboard through this entity rather than the global exchange, and global promotions do not automatically carry across, so European readers should check which offers appear inside KuCoin EU. Our MiCA-licensed exchanges guide covers the regulated alternatives in that market.

For the full jurisdiction breakdown, see our KuCoin restricted countries guide. Readers in blocked regions can compare our Bybit referral code and OKX referral code pages for platforms that serve their market.

About KuCoin

KuCoin is a global cryptocurrency exchange founded in 2017 that serves over 40 million users across 200+ countries and regions, offering access to 1,500+ digital assets. The product range spans spot, margin, futures, ETFs, trading bots, KuCoin Earn, the KuCard payment card, and a P2P marketplace that handles fiat funding in regions without direct bank or card support. Holding the native KuCoin Token (KCS) cuts trading fees further, and the discount stacks with referral cashback.

Compliance has been the defining theme of the exchange's recent history. KuCoin launched a $2 billion Trust Project in April 2025 and became the first major exchange to hold SOC 2 Type II, ISO 27001, ISO 27701, and CCSS certifications together. It registered as a Digital Currency Exchange with AUSTRAC in Australia, secured the Austrian MiCA licence for its European entity, and publishes third-party Proof of Reserves audits verifying that user balances are backed 1:1.

Final Thoughts

The cashback rate is the piece of this offer that keeps paying. At KuCoin's base 0.10% spot fee, a 20% share brings your effective cost to 0.08% on every trade, and for an active trader that saving outgrows the one-off welcome stack well before the 365-day commission window closes.

Treat the Welcome Rewards as a sprint rather than a backlog. Finish identity verification, your first deposit, and the opening trades inside the stated task window, claim everything in the Rewards Hub as it completes, and move cash out of the Funding Account on a regular cycle so nothing expires unclaimed.

Frequently asked questions

Can I add a KuCoin referral code after registering?

No. KuCoin only accepts referral codes during the initial sign-up, and codes cannot be attached to an existing account. If you registered without QBAY1X4K, the cashback and welcome offers tied to it are unavailable on that account.

Which trades earn referral cashback on KuCoin?

Cashback applies to spot trades (including margin and trading bots), ETF trades, and futures trades. Orders placed through the API are excluded from the commission calculation, so automated strategies will not generate rebates.

How long does the KuCoin referral cashback last?

Under the current program terms, commissions from an invited account run for 365 days from its registration date, and the cashback share is drawn from that same pool. KuCoin reassesses commission rates monthly, so the exact split can move over the year.

Is the KuCoin referral program available in every country?

No. Residents of Belgium, France, and the Netherlands are excluded, along with restricted regions, and KuCoin can update that list at any time. EEA users are served by KuCoin EU under its Austrian MiCA licence, where promotional offers differ from the global platform.

When are KuCoin referral commissions paid out?

Commissions are settled daily and credited to the account the following day, paid in the same currency the invitee used to cover their trading fees. You can review every payment on the commission history page in the referral dashboard.

KuCoin Referral Code: QBAY1X4K (20% Off Fees + 11K USDT)