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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)

Examples
• Valid: A1b2C3d4E5f6G7h8I9j0K1l2M3n4O5p6
• Invalid: 12345 (insufficient length)
• Invalid: test_transfer_2024_001 (contains underscores)
• Invalid: 用户A转账给用户B-20240527 (contains non-English characters)

If you have any questions or require technical assistance, please join the MEXC API Telegram group at https://t.me/MEXCAPIsupport for 24/7 support.
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Ved at tilmelde dig accepterer du at modtage MEXC-nyhedsbreve og e-mailopdateringer samt vores Fortrolighedspolitik. Det leverede indhold er kun til informationsformål og udgør ikke investeringsrådgivning.

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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)

Examples
• Valid: A1b2C3d4E5f6G7h8I9j0K1l2M3n4O5p6
• Invalid: 12345 (insufficient length)
• Invalid: test_transfer_2024_001 (contains underscores)
• Invalid: 用户A转账给用户B-20240527 (contains non-English characters)

If you have any questions or require technical assistance, please join the MEXC API Telegram group at https://t.me/MEXCAPIsupport for 24/7 support.
Coin Icon
Tilmeld dig nu for at modtage 10,000 USDT i belønninger til nye brugere

Relaterede artikler

API Suspension for Selected Spot Trading Pairs (March 2026)

BTC and ETH Spot Trading Pairs to Support API Trading

Removal of API Access Restrictions on Assessment Zone Trading Pairs

Futures API Access Domain Update

API Suspension for Selected Spot Trading Pairs (January 2026)

Abonner på MEXC Digest

Ugentlige markedsbevægelser, noteringer og indsigt, direkte til din indbakke.
Ved at tilmelde dig accepterer du at modtage MEXC-nyhedsbreve og e-mailopdateringer samt vores Fortrolighedspolitik. Det leverede indhold er kun til informationsformål og udgør ikke investeringsrådgivning.

Tilmeld dig MEXC på Telegram

Få de seneste lister, begivenheder og opdateringer i realtid direkte fra vores officielle Telegram-kanal.
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