KuCoin is a well-known global crypto exchange serving 40+ million users worldwide. However, availability of certain services may vary depending on your country. For that reason, it’s always recommended to confirm whether KuCoin is currently active in your region (for example, KuCoin has agreed to step away from the U.S. market for at least two years).
One of KuCoin’s biggest advantages is its referral (invite) code system. In this guide, you’ll learn what a KuCoin referral code is, why it matters, and how to use it step by step.
What Is a KuCoin Referral Code?
A KuCoin referral code (also called an invite code, referral ID, or promo code) is an optional field during sign-up. When you enter a referral code while creating your account, your registration becomes linked to the KuCoin invitation system.
This system is designed to bring new users to the platform through rewards and discounts.
🎁 Benefit:
If you enter QBSTNY81 during registration, you can receive up to 20% trading fee discount, in addition to KuCoin’s standard new-user benefits.
⚠️ Important: The referral code can only be entered during the sign-up process. After your account is created, it cannot be added later.
Key Things New Users Should Know
- The referral code is only available during registration.
- Discounts and rewards depend on KuCoin’s current campaigns and rules.
- Since promotions can change, always rely on what you see inside the sign-up page and the Rewards Hub for the most accurate details.
Where to Enter the Referral Code (Web)
- Open KuCoin’s official sign-up page.
- Enter your email address or phone number.
- Expand the section called “Referral Code (Optional)”.
- Paste this code: QBSTNY81
- Complete verification and create your password.
📌 Note:
According to KuCoin’s sign-up instructions, if you didn’t register via an invitation link, you may be able to manually enter only the last 6 characters of the code.
➡️ For QBSTNY81, the last 6 characters are: STNY81
Where to Enter the Referral Code (Mobile App)
- Open the KuCoin app and tap Sign Up.
- Choose email or phone registration.
- Type QBSTNY81 into “Referral Code (Optional)”.
- Complete verification and create your account.
After your first login, you can check your tasks in:
Rewards Hub → Getting Started
About the Referral Code Field
When you tap the “Referral Code (Optional)” section, KuCoin usually displays a message like:
“Do you have a referral code from a friend? If not, you can leave this blank.”
That’s where you enter your code 👇
👉 QBSTNY81
This code is known for offering one of the highest fee-discount rates available through referrals.
Registration & Reward System Overview
- You can sign up using Email, Phone, Google, Telegram, or Apple.
- The button “Create Account and Claim Reward” may indicate rewards become available after sign-up and verification.
- KuCoin Futures may not be available in every country—if your account supports it, you’ll see it inside the app/platform.
Is There a Separate Code for KuCoin Futures?
No.
The same referral code works for both Spot and Futures benefits.
KuCoin 2.0 Affiliate Update (Current Structure)
| Market Type | Referral Code | Benefit |
|---|
| Spot Trading | QBSTNY81 | 20% trading fee discount |
| Futures Trading | QBSTNY81 | 10% fee discount for the first 30 days |
Is This Referral Code Valid in 2026?
✅ Yes.
The referral code QBSTNY81 is valid throughout 2026 and provides trading fee discounts.
What Does “Up to 11,000 USDT” Reward Mean?
This phrase usually refers to the maximum possible total value of different reward types combined, such as:
- Withdrawable USDT rewards (after completing tasks)
- Coupons & vouchers (fee discounts, VIP trials, etc.)
- Futures trial funds (not withdrawable, but profits may sometimes be withdrawable)
Example Rewards Hub breakdown (may change):
- 100 USDT token reward
- 400 USDT coupon value
- 10,500 USDT futures trial fund
Typical “Getting Started” Tasks
Common beginner tasks include:
- Creating an account
- Completing KYC verification
- Making a first deposit
- Placing your first trade
- Advanced trading tasks (may require higher volume)
ℹ️ Notes:
- Rewards may be distributed randomly.
- Withdrawable rewards require all conditions to be completed.
- Zero-fee trades may not count for some tasks.
Can You Withdraw the Rewards? (Quick Summary)
| Reward Type | Withdrawable? | Where You’ll See It |
|---|
| USDT Rewards | Yes (with conditions) | Funding Account |
| Coupons | No | Rewards Hub → My Coupons |
| Futures Trial Fund | Fund no, profit sometimes | Futures Perks |
How to Withdraw USDT from Rewards Hub (If Available)
- Open Rewards Hub and check tasks
- If the Withdraw button is active, submit your request
- Once approved, USDT will be transferred to your Funding Account
If the button is inactive, tasks are usually incomplete.
Common Issue: Rewards Blocked
If KuCoin detects multiple accounts, the same IP, or the same device being used repeatedly, rewards may be restricted.
➡️ Best solution: contact KuCoin Support directly.
Futures Trial Funds – Important Notes
- Trial funds have an expiration date
- They must be activated manually
- Only 1 trial fund can be active at a time
- They cannot be combined with your own funds in the same position
- The fund itself is not withdrawable, but profit may sometimes be
Activation paths:
- Web: Derivatives → Futures Perks → Activate
- Mobile: Futures → Futures Perks
Security & Risk Reminder
- Crypto exchanges come with custody and regulation risks
- Rules and features may differ by country
On your first day, make sure you:
- Use a strong, unique password
- Enable 2FA (Two-Factor Authentication)
- Set an anti-phishing code
- Avoid keeping unused funds on the exchange
FAQ – Quick Answers
Where do I enter the KuCoin referral code?
→ During sign-up, in “Referral Code (Optional)” enter QBSTNY81
If the code doesn’t apply automatically?
→ Enter it manually or try the last 6 characters: STNY81
Can I add it after creating the account?
→ No.
Where do I find new user rewards?
→ Rewards Hub.
Is Futures available in every country?
→ No, it depends on your region.