2026 OKX Referral Code: How to Fill It Correctly? Where to Enter? Can You Still Use After Sign-Up? Complete Step-by-Step Guide (Referral Code 31999414)

💡 Why You Need an OKX Referral Code in 2026

If you’re new to crypto, the biggest threats you’ll face are phishing websites, fake search results, and missed discount opportunities. One wrong click can drain your assets before you even start trading. That’s why using the official OKX registration link and entering the correct Referral Code is absolutely critical. The code Enter Referral Code：31999414 unlocks a permanent 20% fee discount on spot and futures trading when you sign up through OKX’s official link.

Top Crypto Bonuses

• Binance： Sign Up Now | Referral Code：PHYREY
• OKX： Sign Up Now | Referral Code：31999414
• Bitget： Sign Up Now | Referral Code：TW2026

Many users ask: “Where do I actually type this referral code? Is it during sign-up, after sign-up, or can I still apply it weeks later?” This 2026 guide walks you through every single tap, from creating your account on desktop or mobile, to verifying your identity, and finally claiming your trading-fee rebate. No fluff, no guesswork—just the exact steps, download differences, and safety checks you need.

🛠️ Step-by-Step: How to Fill in OKX Referral Code Correctly

Below are the exact instructions for both the OKX website and the mobile app. Follow each numbered step in order. Do not skip the referral code field. If you miss it during registration, we’ll also show you how to add it later.

📝 Step 1: Access the Official OKX Registration Page

Never search for “OKX” on Google or Bing. Scammers buy ad placements that look identical to the real site. Instead, use this official OKX registration link. It automatically embeds the referral code 31999414 into your sign-up flow, so you don’t have to type it manually. If the code field appears empty, simply type 31999414.

👉 Click to Register OKX Now | Lock in 20% Lifetime Commission Rebate (Enter Referral Code: 31999414)

On the registration page, you’ll see two fields: Email or Phone number and Password. Right below them, there’s usually a box that says “Referral Code (optional)”. Make sure it is filled with 31999414. If it’s not automatically populated, type it exactly—no spaces, no hyphens.

📱 Step 2: Fill in Your Email/Phone and Create a Strong Password

Choose a valid email address or mobile number you control. You will need it for account verification and withdrawal approvals. Create a password with at least 12 characters, mixing uppercase, lowercase, numbers, and symbols. Avoid reusing passwords from other exchanges.

• Email users: Check your inbox for a 6-digit verification code from OKX. Enter it within 10 minutes.
• Phone users: You’ll receive an SMS code. Enter it carefully—multiple wrong attempts can trigger a temporary block.

✅ Step 3: Complete Identity Verification (KYC)

After confirming your email/phone, OKX will prompt you to complete KYC Level 1. This usually requires uploading a government-issued ID (passport, driver’s license, or national ID) and a live selfie. KYC is mandatory to deposit fiat currency, withdraw large amounts, and unlock the full fee discount. The process usually takes under 5 minutes, especially with good lighting for the selfie.

Pro tip: The referral code discount is applied immediately after successful registration, even if KYC is still pending. You can trade with crypto deposits while waiting.

🔍 Step 4: Verify You Actually Got the 20% Discount

Once you’re logged in, go to “Profile” → “Fee Rate”. You should see your maker/taker fees listed as 0.08%/0.10% for spot trading or similar reduced rates. If you still see the standard 0.10%/0.15%, your referral code was not applied. Don’t panic—continue to Step 5.

🔄 Step 5: How to Add Referral Code After Registration (If You Missed It)

Yes, you can still fill in a referral code after registration. OKX allows users to submit a referral code within a limited time window (usually 7 days) after creating the account, provided you haven’t made any trades yet. Here’s how:

1. Log in to your OKX account.
2. Navigate to “More” → “Rewards & Referral” → “Enter Referral Code” (on mobile) or “Profile” → “Referral” (on web).
3. Enter 31999414 and click “Claim”.
4. You’ll see a confirmation message showing your new fee discount tier.

👉 Don’t Miss Out: Register OKX Now and Lock 20% Off Trading Fees (Enter Referral Code: 31999414)

Important: If you’ve already completed a trade, the referral code cannot be retroactively applied. In that case, you may need to create a new account with a different email to enjoy the discount. Always double-check the code before your first trade.

📲 Download OKX App: Android vs iOS Differences

For mobile traders, the OKX app is available on both official app stores and direct APK download. Here are the key differences you must know in 2026:

After installing, log in with the same credentials you used during registration. Your referral code discount automatically syncs across web and mobile.

🔒 Security Check: Avoid Phishing and Fake Apps

In 2026, phishing attacks targeting crypto users have become extremely sophisticated. Always do the following:

• Bookmark the official URL: https://okx.com/join/31999414 – never click a link from a Telegram group or email without verifying the domain.
• Enable 2FA: Use Google Authenticator or hardware key. SMS-based 2FA is better than nothing but less secure against SIM swaps.
• Check withdrawal whitelist: Add your wallet addresses to the whitelist and enable “cold storage only” mode to prevent immediate withdrawals.
• Never share your seed phrase: OKX support will never ask for your password, 2FA code, or seed phrase. Anyone who does is a scammer.

Risk Warning #1: Cryptocurrency trading involves significant risk. Prices can be highly volatile. Never invest money you cannot afford to lose. The referral code discount only reduces trading fees; it does not guarantee profits.

🔎 Platform Comparison: OKX vs Binance vs Bitget

If you’re still deciding which exchange to start with, here’s a quick comparison based on the 2026 landscape. All three offer strong referral code benefits, but OKX stands out for its deep liquidity and advanced trading tools.

For the purpose of this guide, OKX with referral code 31999414 is our top recommendation in 2026 due to its robust security, low fees after discount, and seamless DeFi integrations.

💼 Case Study: How Much Can You Save with OKX Referral Code 31999414?

Let’s break down the numbers. Suppose you are an active futures trader doing $100,000 in monthly volume. Without a referral code, your taker fee might be 0.05% per trade. With the 20% discount, it drops to 0.04%. That might sound tiny, but if you trade 20 times a month, your savings add up:

• Monthly fee without discount: $100,000 × 0.05% × 20 = $1,000
• Monthly fee with discount: $100,000 × 0.04% × 20 = $800
• Yearly savings: $2,400 – just from entering a simple referral code.

This doesn’t include additional rewards from OKX’s occasional “trade and earn” campaigns that often stack with the referral code benefit.

⚠️ Risk Warnings and Rational Investment Reminder

Risk Warning #2: Leverage trading magnifies both gains and losses. A 100x position can be liquidated within minutes if the market moves against you. Never use more than 10x leverage unless you fully understand liquidation mechanics.

Risk Warning #3: Crypto assets are unregulated in many jurisdictions. Regulatory changes can impact your ability to deposit or withdraw funds. Always keep the majority of your long-term holdings in a private hardware wallet, not on an exchange.

Remember, a referral code is a cost-saving tool, not a profit guarantee. Only trade with disposable income, take profits regularly, and never let FOMO drive your decisions. If you’re new to the space, start with a small amount, practice spot trading, and gradually learn derivatives trading.

🚀 Final Steps: Secure Your OKX Account Today

In summary, the correct way to fill in the OKX Referral Code is to use the official registration link that already embeds 31999414. If you manually register, type the code in the “Referral Code” field during sign-up. If you missed it, go to the Referral section within 7 days and add the code before trading. Android users must download the APK from the official website, while iOS users can find the app on the App Store.