clientTranId Parameter Format Update for Certain API Endpoints
To enhance system security and standardize API usage, MEXC will update the generation rules for the clientTranId parameter used in the following fund transfer–related API endpoints, effective December 20, 2025, at 10:00 (UTC).
After the change takes effect, any request that does not meet the new format requirements will fail to be processed.
Affected Endpoints
POST /api/v3/capital/sub-account/universalTransfer
POST /api/v3/broker/sub-account/universalTransfer
Update Details
The generation rules for the clientTranId parameter will be updated as follows:
• Must be a string with a length of exactly 32 characters
• Must contain only English letters (a–z, A–Z) and numbers (0–9)
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clientTranId Parameter Format Update for Certain API Endpoints
To enhance system security and standardize API usage, MEXC will update the generation rules for the clientTranId parameter used in the following fund transfer–related API endpoints, effective December 20, 2025, at 10:00 (UTC).
After the change takes effect, any request that does not meet the new format requirements will fail to be processed.
Affected Endpoints
POST /api/v3/capital/sub-account/universalTransfer
POST /api/v3/broker/sub-account/universalTransfer
Update Details
The generation rules for the clientTranId parameter will be updated as follows:
• Must be a string with a length of exactly 32 characters
• Must contain only English letters (a–z, A–Z) and numbers (0–9)
Weekly market moves, listings & insights, straight to your inbox.
Join MEXC on Telegram
Get the latest listings, events, and updates in real time, straight from our official Telegram channel.
Stay up-to-date on the latest MEXC listings, delistings, trading events, and product updates. Discover new tokens, Launchpad projects, Earn opportunities, AI-powered tools, and futures trading enhancements on the MEXC platform.Stay up-to-date on the latest MEXC listings, delistings, trading events, and product updates. Discover new tokens, Launchpad projects, Earn opportunities, AI-powered tools, and futures trading enhancements on the MEXC platform.