HTX to Adjust Futures Trading API Permissions and Available Leverage Rules

To maintain a fair and healthy trading environment and further safeguard user assets, HTX will implement adjustments to futures trading API permissions and available leverage rules, effective at 15:00 (UTC) on March 29, 2026. Please review the updated rules carefully.

1. API Order Placement Permissions Based on KYC Level

Users who have not completed KYC verification, or who have only completed level 1 KYC verification, will be unable to place futures orders via the API. To continue accessing API-based futures trading, users must complete at least level 2 KYC verification.

2. Available Leverage Subject to KYC Level

Users with level 2 KYC verification are subject to a maximum leverage of 5x for futures trading. To use leverage above 5x, level 3 KYC verification is required.

3. Important Notes

(1) Sub-accounts inherit the KYC level of their main account. Accordingly, API futures trading restrictions and available leverage for sub-accounts are the same as those of the main account.

(2) The API restrictions in this update apply to standard futures trading only. Copy trading and grid trading are unaffected and will continue to follow existing rules.

(3) For API users unable to place futures orders under the new rules:

• Existing positions and open orders will not be affected, and order cancellation remains available.
• In hedge mode, new closing orders are supported. In one-way mode, only new reduce-only orders are permitted. For all other order types, the system will prompt the user to complete account verification.
• New open-position orders and add-to-position orders cannot be placed. The system will prompt the user to complete account verification upon order submission.
• Leverage adjustments cannot be made. The system will prompt the user to complete account verification.

(4) For API users whose available leverage is capped at 5x or below:

• Existing positions and open orders will not be affected, and order cancellation remains available.
• In hedge mode, new close-position orders are supported. In one-way mode, new reduce-only orders are supported. If an order is not reduce-only and the leverage exceeds 5x, the system will prompt the user to complete account verification.
• If a new open-position or add-to-position order is placed with leverage exceeding 5x, the system will first prompt the user to complete account verification.
• If leverage is adjusted above 5x, the system will prompt the user to complete account verification.

Thank you for your understanding and support.

HTX Team

March 29, 2026

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HTX reserves the right in its sole discretion to amend or change or cancel this announcement at any time and for any reasons without prior notice. The above is for information purposes only and HTX makes no recommendations or guarantees in respect of any virtual asset, product, or promotion on HTX. Prices of virtual assets are highly volatile and trading virtual assets involves risk. Please read our Risk Reminder text here.