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2026-5-21

2026-05-21

Futures V3 & Testnet — Self-Trade Prevention (STP) Mode

  • Added 2 new endpoints in Futures V3 and Futures Testnet (EN & ZH), placed between Get Current Position Mode and Change Multi-Assets Mode:
  • POST /fapi/v3/stpMode — Change STP Mode (TRADE): sets the account-level Self-Trade Prevention mode applied to all orders by default. Accepted values: EXPIRE_TAKER, EXPIRE_MAKER, EXPIRE_BOTH. Weight 1.
  • GET /fapi/v3/stpMode — Get Current STP Mode (USER_DATA): returns the account's current STP mode. Weight 30.

  • Both endpoints authenticate via nonce + signer (API wallet address) + signature.

  • Added optional stpMode parameter to POST /fapi/v3/order — Place Order parameter table in Futures V3 and Futures Testnet (EN & ZH):

  • stpMode (ENUM, optional) — Self-Trade Prevention mode for this individual order; overrides the account-level default. Same accepted values as above.

  • Added the STP Mode (stpMode) ENUM definition block to Futures V3 / Futures Testnet general-info (EN) and Futures V3 general-info (ZH), listing EXPIRE_TAKER / EXPIRE_MAKER / EXPIRE_BOTH.