All
FAQ
Announcements
Product documents
What's OKX Card?
What is the OKX Card? The OKX Card is an international debit card (Visa or Mastercard, depending on your region) that lets you pay for purchases and services worldwide. It connects directly to your OKX Pay account, so you can spend your balance seamlessly—without hidden fees or unexpected exchange rate markups. The card is currently issued as a virtual card only. Note: the OKX Card is a virtual card and only available on the app. We don't issue physical cards.Published on Mar 24, 2026Updated on Jun 16, 2026138How do I buy with debit / credit cards?
On some occasions, you will be prompted during the add card process to do extra authentication via a 3-D secure authentication process.5. Why am I receiving an error when completing a transaction with my debit or credit card? Please make sure your card hasn't expired and all details are entered correctly. If the issue persists, you can contact your bank to learn more or contact us here.6. I received a verification code while using my debit or credit card. Where do I get this code from?Published on Feb 22, 2024Updated on May 14, 2026586OKX Card Spending Limits FAQ
Open the OKX app Go to Card management → Spending limits Card management page with the spending limits You'll see two cards: Per-transaction and Daily — both show your current limit Spending limit page with the settings Tap either card and use the slider or key in a value to adjust Set your desired amount and tap Confirm Transaction limit set page with the value of your preference Your new limit takes effect immediatelyWhat is the maximum limit I can set?Published on Jun 10, 2026Updated on Jun 15, 20261OKX Trading Rebate Card - Terms and Conditions
With OKX Rebate Card, you can get trading fees rebated back on our products that are available in your country and permitted by local regulations. (Only applicable to countries where Rebate Card is available)How does it work? Each rebate card has its face value and valid usage period. Once rebate card is granted to your account (Rewards Center > My Rewards), your corresponding daily trading fees (00:00 to 23:59 UTC+8) will be distributed to your Funding Account in USDT within the next day.Published on Oct 9, 2023Updated on May 29, 2026392How do I deposit EUR with a debit or credit card?
This code is generated by the issuing bank and is part of the 3-D secure authentication process, which helps to keep your card secure. You can enter the code you received from your bank to complete the transaction.6. My card transaction was declined, but I still see money deducted. When will I get my refund? For declined transactions, your bank may place a temporary hold on the amount when the payment attempt is made.Published on Feb 12, 2026Updated on May 29, 2026How do I remove my debit or credit card?
OKX app deposit page with Visa card selected Select Manage, then tap the remove icon next to the card you want to remove. OKX app deposit from panel with saved cards and remove options Select Remove to confirm. To add a new card, refer to How do I buy with debit / credit cards? Note: only debit cards are supported in Singapore and U.S.Published on Apr 21, 2026Updated on Apr 30, 20261Crypto Tax Reporting (DAC8) FAQ
be + (plus), - (minus) or the letters Y, X, W, V, U, A, B, C, D, E, F - 3 digits - 1 alphanumeric character Found on: Finnish ID card or passport Tax documents Healthcare and social security records Official correspondence • https://www.oecd.org/content/dam/oecd/en/topics/policy-issue-focus/aeoi/finland-tin.pdf • http://www.vero.fi/fi-FI/Tietoa_Verohallinnosta/Yhteystiedot/Palvelunumerot France Numéro fiscal de référence (NIF) - also called numéro d’identification fiscale Digits: 13-digit Format:Published on Feb 23, 2026Updated on May 29, 20263How can I protect myself from scammers?
Scammers may use Alipay to send you a “Please pay on my behalf” request and provide a screenshot as proof. If you don’t notice the trick, you could be scammed. If you encounter this behavior, please don't proceed with the payment and kindly submit an appeal immediately.Published on Aug 21, 2023Updated on Jun 18, 202612,284Common scam tactics
Be cautious when an individual requests upfront payment through unconventional methods, such as wire transfers, gift cards, or cryptocurrencies. Some scammers will alert you that you've won a prize, but you'll be required to pay an upfront fee in order to receive the prize. Before making any payment, ensure you understand the nature of the transaction and deal only with trusted entities.Published on Sep 28, 2023Updated on May 29, 20262,739Why haven't I received the verification code?
If you're not receiving codes, try these solutions: Clear your browser or mobile app cache, then request a new code. Request a code on different OKX platforms: desktop browser, desktop app, mobile browser, or mobile app. If you can't log in, switch to other alternatives, see the steps below to know how it's done. Note: security codes can be delivered via SMS and voice messages for OTP verification.Published on Aug 16, 2023Updated on Jun 20, 20262Google Pay – Additional Terms
Google is not the issuer of the OKX Debit Card ("Card") and bears no responsibility for Card transactions or disputes. Token Provisioning & Removal Google creates a virtual card number (“token”) when you add the Card. We may refuse, suspend, or delete a token if we suspect fraud, you breach the Cardholder Agreement, or where required by law or card-scheme rules. User Responsibility Keep your Android device, screen-lock, and Google Account secure. Lost, stolen, or compromised device?Published on Aug 8, 2025Updated on May 29, 202613Apple Pay – Additional Terms
Apple is not the card issuer and is not responsible for the OKX Debit Card ("Card"), underlying account, or any transaction disputes. Tokenised Card When you add the Card to Apple Pay, Apple substitutes a Device Account Number (“token”) for your actual Card number. We may decline, suspend, or delete that token at any time—for example, if we suspect fraud or if your Card account is closed.Published on Aug 8, 2025Updated on May 29, 202611Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
Since two different polynomials with D degree will share at most D points, an example polynomial pair with a valid polynomial (which satisfies the above constraints) and a fake polynomial with D degree (which does not satisfy the above constraints) will share at most D points. That means a fake polynomial has a chance of to pass a random sampling inspection. If we do the sampling inspection n times, the chance will decrease to .Published on May 10, 2023Updated on Sep 8, 2025183How do I buy crypto with Apple Pay?
For the best experience, please add your card directly through the Apple Wallet app. Once added, you can choose Apple Pay as your payment method on our app to buy crypto with that card.Published on Jul 2, 2025Updated on May 29, 20266How do I buy crypto with Google Pay?
Other cards aren't supported at this time.How do I buy crypto with Google Pay? For the best experience, please add your card directly through the Google Wallet app.Published on Jul 22, 2025Updated on May 29, 20264