All
FAQ
Announcements
Product documents
X Layer upgrade and OKT/OKB asset handling FAQ
August 15, 2025, 10:00 AM (UTC+8) The platform will automatically convert OKT held in users' accounts to OKB according to the exchange rules. August 15, 2025, 2:00 PM (UTC+8) Historically repurchased and reserved OKB will be permanently burned through an on-chain smart contract. August 18, 2025, 2:00 PM (UTC+8) The OKB smart contract will be upgraded to remove minting and burning functions.FAQWhat's X Layer? X Layer is a public blockchain, decentralized public blockchain launched by OKX.Published on Aug 13, 2025Updated on May 29, 202630How can I reduce trading fees?
The system calculates total volume daily at 00:00 (UTC+8) and updates the latest fee tiers between 04:00 and 06:00 (UTC+8).Become an affiliate and earn fee rebates You can apply to become an OKX affiliate and earn fee rebates by successfully inviting 10 valid new users. Invited users who are flagged by risk controls don’t count as valid. To qualify, the invited users must meet the following requirement: The trading volume of any single order must be at least 50 USDT.Published on May 19, 2025Updated on May 29, 202671OKX Trading Rebate Card - Terms and Conditions
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. If you trade on the day when the Rebate Card is granted, your first trading fee rebate will be calculated from the granted time to 23:59 UCT+8, and be distributed to your Funding Account in USDT within the next day.Published on Oct 9, 2023Updated on May 29, 20263873.1M+ $SENT X Drops campaign terms and conditions
Campaign Overview and Period The "3.1M+ $SENT X Drops Campaign" (the "Campaign") begins on February 4, 2026, 8 AM PST (the "Start Date") and ends on February 8, 2026, 8 AM PST (the "Campaign Period").Published on Feb 4, 2026Updated on May 29, 2026OKX ZERO Trading Fees event FAQs
This event is exclusively for new users who registered a new account on OKX from 6 Jul 2023 14:00 UTC+8. You'll need to sign up and complete identity verification before selecting Join Now button to be able to participate. Ensure that the display has changed to show Joined after you've selected to confirm your participation in the activity.2. How do I participate in this ZERO Trading Fees event?Published on Jul 6, 2023Updated on May 29, 202638500k $BREV campaign terms and conditions
Campaign Overview and Period The "500k $BREV Campaign" (the "Campaign") begins on January 8, 2026, 8 AM PST (the "Start Date") and ends on January 13, 2026, 8 AM PST (the "Campaign Period").Published on Jan 8, 2026Updated on May 29, 2026How do I update my login password?
Self-service tool For quick access, click the button below:On the appI remember my login password Open your OKX app and select Menu Open Menu page Select Profile and settings, find Security, and select Login password under the Authentication methods section Fill in the information below and confirm: Current login password New login password 8-32 characters long 1 lowercase character 1 uppercase character 1 number 1 symbol Complete the Security authentication (such as Phone / Email authenticationPublished on Aug 22, 2023Updated on Jun 2, 202630How do I turn on and sync multiple charts on a screen?
Select from any of the available trading modes off the main page menu to load the trading chart Select the multiple chart option from the main menu of the chart Select the chart layout, select up to 8 charts Load the chart layout option and select the 8-chart option Sync the interval, crosshair, and date range under Sync chart settings Head back to the chart layout and load all the synchronization of the options available For more info on how to navigate better in the trading world, visit here.FAQCanPublished on Aug 9, 2024Updated on May 29, 202633How can I do spot trading with the Jupyter Notebook?
In the example below, you are about to place a market order to buy BTC that is worth 100 USD. 1 # market order 2 result = tradeAPI.place_order( 3 instId="BTC-USDT", 4 tdMode="cash", 5 side="buy", 6 ordType="market", 7 sz="100", 8 tgtCcy="quote_ccy" # this determines the unit of the sz parameter. 9 ) 10 print(result)10.4 How can I use the client order ID parameter clOrdId?Published on Sep 29, 2023Updated on May 29, 2026562Crypto Tax Reporting
Form W-9 and form W-8 collection starting tax year 2026 Starting calendar year 2026, OKX is required to collect form W-9 and form W-8 from OKX US users on the U.S. exchange platform. Form W-9 is collected from OKX US users who are considered U.S. Persons. Form W-8 is collected from OKX US users who are considered Non U.S. Persons. These forms are collected to ensure proper and correct reporting of users' information and reportable transactions to the IRS.Published on Sep 24, 2025Updated on May 29, 202621.25M $FOGO X Drops Campaign terms and conditions
Campaign Overview and Period The "1.25M $FOGO X Drops Campaign" (the "Campaign") begins on January 15, 2026, 8 AM PST (the "Start Date") and ends on January 19, 2026, 8 AM PST (the "Campaign Period").Published on Jan 8, 2026Updated on May 29, 2026OKX Web3 wallet customer review reward from Sourceforge terms and conditions
The promotion starts on August 8, 2023 and ends on August 31, 2023 at 11:59pm UTC. The first 150 OKX Wallet customers to have a customer review pass SourceForge's Review Guidelines and published on SourceForge between August 8, 2023 and August 31, 2023 will be eligible for a $20 gift card.Published on Aug 7, 2023Updated on May 29, 202657Zero-Knowledge Proofs: what are zk-STARKs and how do they work? (zk-STARK V1)
When we use an extension_factor of 8, we will calculate another 32(8-1)* points on p(x). 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.Published on May 10, 2023Updated on Sep 8, 2025182What is sub-account?
Select Submit all after confirming the information Fill in and Confirm 2FA code to complete your sub-account creationOn the app Go to the Main menu on the top right corner, select Switch accounts You can see +Add sub-account at the bottom of the page Select Next and add Sub-account name to create your sub-account Fill in and Confirm 2FA code to complete your sub-account creation Note: Sub-accounts will inherit the main account's fee tier after 24:00 (UTC+8) on the day of creation, and the tier willPublished on Aug 22, 2023Updated on May 29, 20261,864OKX customer review reward from Sourceforge terms and conditions
The promotion starts on August 8, 2023 and ends on August 31, 2023 at 11:59pm UTC. The first 50 eligible OKX customers to have a customer review pass SourceForge's Review Guidelines and published on SourceForge between August 8, 2023 and August 31, 2023 will be eligible for a $20 gift card (the "Gift").Published on Aug 7, 2023Updated on May 29, 202687