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Changes to V5 API WebSocket subscription parameter and URL
Live trading URL Current Public addresses: wss://ws.okx.com:8443/ws/v5/public wss://wsaws.okx.com:8443/ws/v5/public Private addresses: wss://ws.okx.com:8443/ws/v5/private wss://wsaws.okx.com:8443/ws/v5/private Updated wss://ws.okx.com:8443/ws/v5/business wss://wsaws.okx.com:8443/ws/v5/business Applicable to public and private channels Table 3: Demo trading service address details Only the channels listed on Table 1 are required to switch to the new "/business" URL.Published on 24 Apr 2023Updated on 17 Nov 2025AnnouncementsUnderstanding OKX's Security Fund
Understanding the OKX Security Fund As a digital asset exchange offering leveraged products, OKX is committed to maintaining a stable and fair trading environment. A key component of our risk architecture is our Security Fund. This article explains the Security Fund's purpose, structure, funding mechanism, and outlines critical disclaimers regarding its operation.1. What's the Security Fund? The Security Fund is a segregated pool of assets, established and fully owned by OKX.Published on 25 Mar 2026Updated on 24 Apr 2026FAQ4What's OKX Security Assistant?
OKX Security Assistant is an application developed by our security team to protect our Windows users, prevent virus and trojan attacks, and safeguard user assets. When you receive a risk alert from OKX Security Assistant on a Windows device, it indicates that the current device environment may pose threats to your account and asset security.Why did I receive a risk alert from the OKX Security Assistant?Published on 15 Jan 2026Updated on 13 Feb 2026FAQ23Security audit report collection
Overall Certik has found 5 security issues. Three of them are low risk and informational findings, and two of them are at undetermined risk levels. All of those issues had already been solved. Learn more on the audit report here.OKX Wallet Threshold-lib audit report - 2023.10.11 The Threshold-lib of OKX Wallet has passed the security audit by Certik.Published on 11 Nov 2022Updated on 27 Jan 2026FAQ7,081WebSocket API is now supporting BCH, ETH and ETC contracts
OKX Futures WebSocket Address: wss://real.OKX.com:8443/ws/v3 Please add our API customer support WeChat (ID: ApiSupport) for API-related questions Thank you for your support. OKX 8 December 2017 (Sunday) 21:30Published on 8 Dec 2017Updated on 17 Nov 2025AnnouncementsWhat's the current status of the temporary account security measure?
As an effort to keep your account safe, we've implemented a new security measure. The new security feature temporarily restricts account withdrawal activities after updates to withdrawal security settings are made to one's account.What changes trigger this security feature? Changing linked mobile number Changing linked email Changing Google Authenticator Change password regardless of if a new device is involvedWhat type of account activities will be restricted for me?Published on 4 Jul 2024Updated on 24 Mar 2026FAQ159How do I secure my exchange account?
Go to the security settings page Once you sign in to your account, you can hover over the profile icon at the main menu. A dropdown menu will be displayed, and you can select Security settings to proceed. We provide a variety of security measures to protect your account. You can review the completed and pending security items under the Security option.3. Activate security features Our users can secure their funds by activating the various account security measures shown on the Security option.Published on 12 Jun 2024Updated on 24 Apr 2026FAQ1,322How do I secure my MPC wallet?
An MPC wallet is a type of cryptocurrency wallet that uses three secret codes called private key shares to secure your assets.Published on 22 Aug 2023Updated on 17 Nov 2025FAQ425How do I secure my account after detecting unusual activity?
> Enter the Security Center Select Security on the user center page Select Passkeys Check if there are any Passkeys you didn’t create.Published on 21 Mar 2025Updated on 12 Feb 2026FAQ33How do I use a physical security key to protect my account?
What is physical security key? A physical security key is a type of hardware-based authentication used to verify account access and transactions. Unlike software-based options, physical security keys work offline and are not reliant on cloud services, minimizing risks like account takeovers or unauthorized access.Why choose physical security key?Published on 10 Jan 2025Updated on 12 Feb 2026FAQ18,412How can the OKX NFT Marketplace keep your NFT investments secured?
How secure is the OKX NFT Marketplace? In the fast-evolving world of NFTs (Non-Fungible Tokens), security is paramount. With the increasing popularity of Non-Fungible Tokens (NFTs), the risk of falling victim to scams and fraudulent transactions has also risen.Published on 10 Nov 2023Updated on 12 Sept 2025FAQ20OKX API FAQ
Note: the time in the request header time is in UTC0. When calling the server time interface, the time is provided in UTC + 8.What's "Interface error: 50101 APIKey does not match the current environment"? This is due to the mismatch between the API key and the current environment. Real account calls require the use of the real account API key, and the value of the x-simulated-trading parameter in the request header needs to be 0.Published on 20 Sept 2024Updated on 24 Apr 2026FAQ137OKX smart account has been upgraded to provide enhanced security for your assets
Dear OKX users, To enhance the security of your assets, OKX Wallet has upgraded the contract of the smart account for the EIP-1271 signature method. This upgrade aims to prevent the theft of your assets by malicious websites. To complete the contract upgrade of your smart account, please ensure that you've upgraded your OKX app to the latest version.Published on 13 Nov 2023Updated on 17 Nov 2025AnnouncementsHow do I check if an email is officially from OKX via EML file?
Whether a faked email is delivered, rejected, or sent to the spam folder depends on the security settings of the recipient's email provider.If the email provider has strict security policies (e.g., Gmail, Outlook) The system will check SPF, DKIM, and DMARC records.Published on 24 Nov 2025Updated on 4 Mar 2026FAQ16What should I do if the T+N security protection is triggered and I can't trade?
What is T+N (Security protection for buying crypto)? T+N refers to a security protection mechanism for cryptocurrency purchases. When you buy crypto through P2P on the platform, the system performs a comprehensive risk assessment of the transaction. Based on this assessment, it may temporarily restrict the withdrawal and P2P resale of the equivalent assets for N days.Published on 17 Mar 2023Updated on 22 Apr 2026FAQ2,809