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2026-7-7

2026-07-07

Futures V3 & Futures Testnet — Sub-Account Transfer Update

  • Updated POST /fapi/v3/subAccountTransfer in Futures V3 and Futures Testnet (EN & ZH):
  • Renamed "main account" to "master account" in the authentication parameters table.
  • Removed signer from the parameter table (it is not required for this endpoint).
  • Added Parameter Values table documenting user / fromAccountAddress / toAccountAddress / signature combinations for each transfer direction:
    • Master → Sub, Sub → Master (master-signed), Sub → Sub (master-signed)
    • Sub → Master (sub-signed), Sub → Sub (sub-signed)

Futures V3 — New Builder Endpoints

  • Added two new USER_DATA endpoints to Futures V3 (EN & ZH):
  • GET /fapi/v3/builder/userTrades (weight 5) — Query paginated trade history of users trading under the caller's builder code. Supports startTime / endTime / page / limit filters; defaults to last 7 days; max lookback 30 days.
  • GET /fapi/v3/builder/approvedUserList (weight 5) — Query the list of users who have approved the caller's address as their builder; supports optional startTime filter; returns at most 1000 records.