Dear OKX API users, To support a network infrastructure upgrade, OKX will stop accepting WebSocket connections on port 8443, including Colo connections: Public internet: October 31, 2026 Colo: November 16, 2026 What's changing Port 443 already works on all affected domains, including Colo, and both ports remain available until these dates. After these dates, connections to port 8443 will fail. This is a breaking change.

We will have a system upgrade for Buy Crypto. This will impact, buying and selling crypto with fiat balance, along with crypto to crypto converts. |Maintenance Window | | | ------ | ---------- | | Date | Wednesday, Mar 27, 2024 | | Time | 6:00 am to 7:30 am UTC | During this period, you will not be able to get a quote price for buy and sell with balance, and converts. We will resume once the...

You can check its schedule on our Status page. Our trading features won't be affected during maintenance, but historical data generated during this period will only be available after maintenance is complete.

Please take note of the following schedule: ORDI deposits will open at 10:00 am UTC on May 20, 2023. ORDI withdrawals will open at 10:00 am UTC on May 20, 2023. Spot trading: Once the ORDI token deposit meets our requirements, OKX will list ORDI/USDT spot trading.

SUI will begin trading in the following schedule: SUI /USDT trade begins at 12:10 am UTC on May. 3 SUI withdrawals open at 12:15 pm UTC on May. 3 Asset name: Sui Ticker: SUI Total Supply: 10,000,000,000 Circulating Supply at Launch (May 3): 528,273,717 Risk warning: Trading digital assets involves significant risk and may result in the loss of your invested capital.

SUI will begin trading in the following schedule: SUI /USDT call auction begins at 11:40 am UTC on May. 3 SUI /USDT Spot trading opens at 12:00 pm UTC on May. 3 SUI withdrawals open at 12:00 pm UTC on May. 3 Introducing the SUI Token Sale on OKX Jumpstart Call Auction Mechanism Asset name: Sui Ticker: SUI Total Supply: 10,000,000,000 Circulating Supply at Launch (May 3): 528,273,717 Risk warning: Trading digital assets involves significant risk and may result in the loss of your invested capital.

Dear valued customers, Due to unexpected technical issues, we will postpone the BCH futures trading scheduled upgrade at 5 am Aug 19, 2019 (CEST, UTC+2) to another time. Please stay tuned to a further announcement. We apologize for the inconvenience caused. Regards, OKX Aug 16, 2019

Please follow the event page details for specific assignment schedule. 3. Rules for participation Users must complete KYC2 verification to be eligible. Participants must use their main OKX account — sub-accounts are forbidden. Users can only participate in the lottery through the OKX app. Certain countries and regions are unable to participate in this activity. See Notes for details 4.

Dear valued customers, In order to enhance the liquidity of the market and minimize market risks, we will adjust the tiered maintenance margin ratio schedule of the futures market. Details as follow: A.

Dear valued customers, To further increase the position limits and enhance the market liquidity, we will increase the tiered maintenance margin ratio schedule of perpetual swaps listed in the table below on 10:00 July 16, 2020 (UTC). After the adjustment, users can enjoy a higher position limit at the same tiered maintenance margin ratio.

Dear valued customers, In order to increase the position limit of perpetual swap, enhance the liquidity of the market and minimize market risks, we will adjust the tiered maintenance margin ratio schedule of the perpetual swap market. Details as follow: A.

Dear valued customers, In order to increase the position limit of perpetual swap, enhance the liquidity of the market and minimize market risks, we will adjust the tiered maintenance margin ratio schedule of the perpetual swap market at the end of May. Details as follow: A.

The maintenance may finish earlier or be extended depending on actual progress; no further notice will be given if it completes ahead of schedule. To avoid any potential impact, we recommend completing any in-progress RFQ negotiations and trades before the maintenance window. We apologize for any inconvenience caused and appreciate your understanding and support. OKX Oct 21, 2026

The maintenance may finish earlier or be extended depending on actual progress; no further notice will be given if it completes ahead of schedule. To avoid any potential impact, we recommend completing any in-progress RFQ negotiations and trades before the maintenance window. We apologize for any inconvenience caused and appreciate your understanding and support. OKX July 31, 2026

The maintenance may finish earlier or be extended depending on actual progress; no further notice will be given if it completes ahead of schedule. To avoid any potential impact, we recommend managing your open spread orders and positions in advance. We apologize for any inconvenience caused and appreciate your understanding and support. OKX July 31, 2026