API Access:https://support.hbfile.net/hc/en-us/articles/900001603466 1.0.7 2020-1-29 Added:Get a Batch of Market Data Overview、Get Kline Data of Mark Price、Subscribe Kline Data of Mark Price、Request Kline Data of Mark Price、Query Settlement Records of Users(Isolated and Cross). 7-28 Added fields to modify interface. The order_id of submitted trigger order response has been changed from the original natural number self-incrementing ID to a unique identification ID with a length of 18 digits. It is recommended to use the order_id_str (order_id in string type) of submitted order response to avoid the occurrence of truncation by the system because excessive length. 1. Added Get a Batch of Market Data Overview - Interface Name: [General]Get a Batch of Market Data Overview- Interface Type: public- Interface URL: /linear-swap-ex/market/detail/batch_merged 1. Added Get Kline Data of Mark Price - Interface Name: [General]Get Kline Data of Mark Price- Interface Type: public- Interface URL: /index/market/history/linear_swap_mark_price_kline 1. Added Subscribe Kline Data of Mark Price - Interface Name: [General]Subscribe Kline Data of Mark Price- Interface Type: public- Subscription topic: market.contract_code.mark_price.period 1. Added Request Kline Data of Mark Price - Interface Name: [General]Request Kline Data of Mark Price- Interface Type: public- Subscription topic: market.contract_code.mark_price.period 1. Added [Isolated]Query Settlement Records of Users - Interface Name: [Isolated]Query Settlement Records of Users- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_user_settlement_records 1. Added [Cross]Query Settlement Records of Users - Interface Name: [Cross]Query Settlement Records of Users- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_user_settlement_records 1. Modified [Isolated]Cancel All Orders(Added two optional parameters in request: direction, indicates order direction, if not filled in means both with available values: “buy”, “sell”; offset, order offset, if not filled in means both with available values: “open”, “close”.) - Interface Name: [Isolated]Cancel All Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cancelall 1. Modified [Cross]Cancel All Orders(Added two optional parameters in request: direction, indicates order direction, if not filled in means both with available values: “buy”, “sell”. offset, order offset, if not filled in means both with available values: “open”, “close”.) - Interface Name: [Cross]Cancel All Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_cancelall 1. Modified [Isolated]Get Information of an Order(Added one field in return data: real_profit(real profit when close position).) - Interface Name: [Isolated]Get Information of an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_order_info 1. Modified [Cross]Get Information of an Order(Added one field in return data: real_profit(real profit when close position).) - Interface Name: [Cross]Get Information of an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_order_info 1. Modified [Isolated]Order details acquisition(Added field in return parameters both data and trades: real_profit(real profit when close position). And added one filed in trades to indicates each trade profitprofit(profit when close position)) - Interface Name: [Isolated]Order details acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_order_detail 1. Modified [Cross]Order details acquisition(Added field in return parameters both data and trades: real_profit(real profit when close position). And added one filed in trades to indicates each trade profitprofit(profit when close position)) - Interface Name: [Cross]Order details acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_order_detail 1. Modified [Isolated]Current unfilled order acquisition(Added two optional parameters in request: sort_by, is sort field, if not filled in means order by create_at descending, with available values “created_at”(descending order), “update_time”(descending order); trade_type, indicates trade type, if not filled in means all, with available values: 0:all, 1:open long, 2:open short, 3:close short, 4:close long. Added two fields in return parameter orders: update_time(order updated time, in milliseconds), real_profit(real profit when close position).) - Interface Name: [Isolated]Current unfilled order acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_openorders 1. Modified [Cross]Current unfilled order acquisition(Added two optional parameters in request: sort_by, is sort field, if not filled in means order by create_at descending, with available values “created_at”(descending order), “update_time”(descending order); trade_type, indicates trade type, if not filled in means all, with available values: 0:all, 1:open long, 2:open short, 3:close short, 4:close long. Added two fields in return parameter orders: update_time(order updated time, in milliseconds); real_profit(real profit when close position).) - Interface Name: [Cross]Current unfilled order acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_openorders 1. Modified [Isolated]Get History Orders(Added one field in return parameter orders: real_profit(real profit when close position).) - Interface Name: [Isolated]Get History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_hisorders 1. Modified [Cross]Get History Orders(Added one field in return parameter orders: real_profit(real profit when close position).) - Interface Name: [Cross]Get History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_hisorders 1. Modified [Isolated]Acquire History Match Results(Added one field in return parameter trades: real_profit(real profit when close position).) - Interface Name: [Isolated]Acquire History Match Results- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_matchresults 1. Modified [Cross]Acquire History Match Results(Added one field in return parameter trades: real_profit(real profit when close position).) - Interface Name: [Cross]Acquire History Match Results- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_matchresults 1. Modified [Isolated]Subscribe Order Data(sub)(Added one field in return data: real_profit(real profit when close position). added field in return parameter trade: profit(profit when close position), real_profit(real profit when close position)) - Interface Name: [Isolated]Subscribe Order Data(sub)- Interface Type: private- Subscription topic: orders.contract_code 1. Modified [Cross]Subscribe Order Data(sub)(Added one field in return data: real_profit(real profit when close position). added field in return parameter trade: profit(profit when close position), real_profit(real profit when close position)) - Interface Name: [Cross]Subscribe Order Data(sub)- Interface Type: private- Subscription topic: orders_cross.contract_code 1. Modified [Isolated]Cancel All Trigger Orders(Added two optional parameters in request: direction, indicates order direction, if not filled in means both with available values: “buy”, “sell”; offset, order offset, if not filled in means both with available values: “open”, “close”.) - Interface Name: [Isolated]Cancel All Trigger Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_trigger_cancelall 1. Modified [Cross]Cancel All Trigger Orders(Added two optional parameters in request: direction, indicates order direction, if not filled in means both with available values: “buy”, “sell”; offset, order offset, if not filled in means both with available values: “open”, “close”.) - Interface Name: [Cross]Cancel All Trigger Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_trigger_cancelall 1. Modified [Isolated]Cancel all Take-profit and Stop-loss Orders(Added one option parameter in request: direction, indicates order direction, if not filled in means cancel all) - Interface Name: [Isolated]Cancel all Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_cancelall 1. Modified [Cross]Cancel all Take-profit and Stop-loss Orders(Added one option parameter in request: direction, indicates order direction, if not filled in means cancle all) - Interface Name: [Cross]Cancel all Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_cancelall 1. Modified [Isolated]Query Trigger Order Open Orders(Added one optional parameter in request: trade_type, order trade type, if not filled in means all with available values 0:all, 1:open long, 2:open short, 3:close short, 4:close long.) - Interface Name: [Isolated]Query Trigger Order Open Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_trigger_openorders 1. Modified [Cross]Query Trigger Order Open Orders(Added one optional parameter in request: trade_type, order trade type, if not filled in means all with available values 0:all, 1:open long, 2:open short, 3:close short, 4:close long.) - Interface Name: [Cross]Query Trigger Order Open Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_trigger_openorders 1. Modified [Isolated]Query Open Take-profit and Stop-loss Orders(Added one optional parameter in request: trade_type, order trade type, if not filled in means all with available values 0:all, 3:close short, 4:close long.) - Interface Name: [Isolated]Query Open Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_openorders 1. Modified [Cross]Query Open Take-profit and Stop-loss Orders(Added one optional parameter in request: trade_type, order trade type, if not filled in means all with available values 0:all, 3:close short, 4:close long.) - Interface Name: [Cross]Query Open Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_openorders     1.0.6 2021-01-12 1 Added Get the estimated settlement price. 2-13 Added ”Set a Take-profit and Stop-loss Order“ interfaces. 14-35 Added fields to modify interface. Added the first-level menu of [Contract Trigger Order], and add take-profit and stop-loss related interfaces and move the original contract trigger order related interfaces to this menu 1. Added Get the estimated settlement price - Interface Name: [General]Get the estimated settlement price- Interface Type: public- Interface URL: /linear-swap-api/v1/swap_estimated_settlement_price 1. Added Set a Take-profit and Stop-loss Order for an Existing Position(Isolated) - Interface Name: [Isolated]Set a Take-profit and Stop-loss Order for an Existing Position- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_order 1. Added Set a Take-profit and Stop-loss Order for an Existing Position(Cross) - Interface Name: [Cross]Set a Take-profit and Stop-loss Order for an Existing Position- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_order 1. Added Cancel a Take-profit and Stop-loss Order(Isolated) - Interface Name: [Isolated]Cancel a Take-profit and Stop-loss Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_cancel 1. Added Cancel a Take-profit and Stop-loss Order(Cross) - Interface Name: [Cross]Cancel a Take-profit and Stop-loss Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_cancel 1. Added Cancel all Take-profit and Stop-loss Orders(Isolated) - Interface Name: [Isolated]Cancel all Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_cancelall 1. Added Cancel all Take-profit and Stop-loss Orders(Cross) - Interface Name: [Cross]Cancel all Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_cancelall 1. Added Query Open Take-profit and Stop-loss Orders (Isolated) - Interface Name: [Isolated]Query Open Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_openorders 1. Added Query Open Take-profit and Stop-loss Orders(Cross) - Interface Name: [Cross]Query Open Take-profit and Stop-loss Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_openorders 1. Added Query Take-profit and Stop-loss History Orders(Isolated) - Interface Name: [Isolated]Query Take-profit and Stop-loss History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_tpsl_hisorders 1. Added Query Take-profit and Stop-loss History Orders(Cross) - Interface Name: [Cross]Query Take-profit and Stop-loss History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_tpsl_hisorders 1. Added Query Info Of Take-profit and Stop-loss Order That Related To Position Opening Order(Isolated) - Interface Name: [Isolated]Query Info Of Take-profit and Stop-loss Order That Related To Position Opening Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_relation_tpsl_order 1. Added Query Info Of Take-profit and Stop-loss Order That Related To Position Opening Order(Cross) - Interface Name: [Cross]Query Info Of Take-profit and Stop-loss Order That Related To Position Opening Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_relation_tpsl_order 1. Modifed Place an order Interface(Isolated)added optional parameters: tp_trigger_price (Trigger price of take-profit order), tp_order_price (Order price of take-profit order), tp_order_price_type (Order type of take-profit order), sl_trigger_price (Trigger price of stop-loss order), sl_order_price (Order price of stop-loss order), sl_order_price_type (Order type of stop-loss order) - Interface Name: [Isolated]Place an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_order 1. Modifed Place an order Interface(Cross)added optional parameters: tp_trigger_price (Trigger price of take-profit order), tp_order_price (Order price of take-profit order), tp_order_price_type (Order type of take-profit order), sl_trigger_price (Trigger price of stop-loss order), sl_order_price (Order price of stop-loss order), sl_order_price_type (Order type of stop-loss order) - Interface Name: [Cross]Place an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_order 1. Modified Place a batch of ordersInterface(Isolated) (added optional parameters in parameters orders_data: tp_trigger_price (Trigger price of take-profit order)tp_order_price (Order price of take-profit order), tp_order_price_typeOrder type of take-profit order), sl_trigger_price (Trigger price of stop-loss order), sl_order_price (Order price of stop-loss order), sl_order_price_type (Order type of stop-loss order) - Interface Name: [Isolated]Place a Batch of Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_batchorder 1. Modified Place a batch of ordersInterface(Cross) (added optional parameters in parameters orders_data: tp_trigger_price (Trigger price of take-profit order)tp_order_price (Order price of take-profit order), tp_order_price_typeOrder type of take-profit order), sl_trigger_price (Trigger price of stop-loss order), sl_order_price (Order price of stop-loss order), sl_order_price_type (Order type of stop-loss order) - Interface Name: [Cross]Place a Batch of Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_batchorder 1. Modified Get Information of an Order Interface(Isolated)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Isolated]Get Information of an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_order_info 1. Modified Get Information of an Order Interface(Cross)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Cross]Get Information of an Order- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_order_info 1. Modified Order details acquisition Interface(Isolated)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Isolated]Order details acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_order_detail 1. Modified Order details acquisition Interface(Cross)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Cross]Order details acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_order_detail 1. Modified Query Open Orders Interface(Isolated)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated valuesin return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Isolated]Current unfilled order acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_openorders 1. Modified Query Open Orders Interface(Cross)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated valuesin return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Cross]Current unfilled order acquisition- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_openorders 1. Modified Get History Orders Interface(Isolated)Added paprameter sort_by to represent sort fields with optional value“create_date” and “update_time; added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no), and update_time to indicate orders update time; and enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit or stop-loss - Interface Name: [Isolated]Get History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_hisorders 1. Modified Get History Orders Interface(Cross)Added paprameter sort_by to represent sort fields with optional value“create_date” and “update_time; added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no), and update_time to indicate orders update time; and enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit or stop-loss - Interface Name: [Cross]Get History Orders- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_hisorders 1. Modified Subscribe Order Data(sub) Interface(Isolated)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Isolated]Subscribe Order Data(sub)- Interface Type: private- Subscription Topic: orders.contract_code 1. Modified Subscribe Order Data(sub) Interface(Cross)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Cross]Subscribe Order Data(sub)- Interface Type: private- Subscription Topic: orders_cross.contract_code 1. Modified Subscribe Match Order Datasub Interface(Isolated)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Isolated]Subscribe Match Order Datasub)- Interface Type: private- Subscription Topic: matchOrders.contract_code 1. Modified Subscribe Match Order Datasub Interface(Cross)Added return parameter is_tpsl to indicate whether to set take-profit and stop-loss order, 1: yes, 0: no); added enumerated values in return parameter order_source“tpsl” indicates triggered by take-profit and stop-loss - Interface Name: [Cross]Subscribe Match Order Datasub)- Interface Type: private- Subscription Topic: matchOrders_cross.contract_code 1. Modified Query Trigger Order History Interface(Isolated)Added paprameter sort_by to represent sort fields with optional values “created_at” and “update_time”). added update_time to indicate orders update time - Interface Name: [Isolated]Query Trigger Order History- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_trigger_hisorders 1. Modified Query Trigger Order History Interface(Cross)Added paprameter sort_by to represent sort fields with optional values “created_at” and “update_time”). added update_time to indicate orders update time - Interface Name: [Cross]Query Trigger Order History- Interface Type: private- Interface URL: /linear-swap-api/v1/swap_cross_trigger_hisorders 1. Modified Get Swap Open Interest Information Interface (Added trade_volume in return parameter data to indicate trading volume within the last 24 hours (cont), and trade_amount to indicate trading volume within the last 24 hours (coin), and trade_turnover to represent trading amount within the last 24 hours.) - Interface Name: [General]Get Swap Open Interest Information- Interface Type: public- Interface URL: /linear-swap-api/v1/swap_open_interest 1. Modified Subscribe Market Detail Data Interface (Added ask in return parameter “tick” to represent “sell one” and “bid” to represent buy one.) - Interface Name: [General]Subscribe Market Detail Data- Interface Type: public- Subscription Topic: market.contract_code.detail 1. Modified Query Swap Info InterfaceAdded delivery_time in return parameter data to represent delivery timemillesecond timestamp - Interface Name: [General]Query Swap Info- Interface Type: public- Interface URL: /linear-swap-api/v1/swap_contract_info 1. Modified Subscribe Contract Info InterfaceAdded delivery_time in return parameter data to represent delivery timemillesecond timestamp - Interface Name: [General] Subscribe Contract Info (no authentication)sub- Interface Type: public- Subscription Topic: public.contract_code.contract_info     1.0.5 2020-12-18 Newly addedAdded WS interface for subscribing system status updates push 1.Added WS interface for subscribing system status updates push - Interface name: [General]subscribe system status updates- Interface type: public- Subscription topicpublic.service.heartbeat     1.0.4 2020-12-11 1-33 Added interfaces for cross margin mode. 34-60 Added fields to modify interface 1、Added Cross Margin Mode Query Information On Tiered Adjustment Factor - Interface Name[Cross]Query Information On Tiered Adjustment Factor- Interface Typepublic- Interface URL/linear-swap-api/v1/swap_cross_adjustfactor 2、Added Cross Margin Mode Query Information On Transfer State - Interface Name[Cross]Query Information On Transfer State- Interface Typepublic- Interface URL/linear-swap-api/v1/swap_cross_transfer_state 3、Added Cross Margin Mode Query Information On Trade State - Interface Name[Cross]Query Information On Trade State- Interface Typepublic- Interface URL/linear-swap-api/v1/swap_cross_trade_state 4、Added Cross Margin Mode Query Users Account Information - Interface Name[Cross]Query Users Account Information- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_account_info 5、Added Cross Margin Mode Query Users Position Information - Interface Name[Cross]Query Users Position Information- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_position_info 6、Added Cross Margin Mode Query Assets Information Of All Sub-Accounts Under The Master Account - Interface Name[Cross]Query Assets Information Of All Sub-Accounts Under The Master Account- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_sub_account_list 7、Added Cross Margin Mode Query A Sub-Accounts Assets Information - Interface Name[Cross]Query A Sub-Accounts Assets Information- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_sub_account_info 8、Added Cross Margin Mode Query A Sub-Accounts Position Information - Interface Name[Cross]Query A Sub-Accounts Position Information- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_sub_position_info 9、Added Cross Margin Mode Query Information On Transfer Limit - Interface Name[Cross]Query Information On Transfer Limit- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_transfer_limit 10、Added Cross Margin Mode Query Information On Position Limit - Interface Name[Cross]Query Information On Position Limit- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_position_limit 11、Added Cross Margin Mode Query Assets And Positions - Interface Name[Cross]Query Assets And Positions- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_account_position_info 12、Added Cross Margin Mode Query User’s Available Leverage - Interface Name[Cross]Query User’s Available Leverage- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_available_level_rate 13、Added Cross Margin Mode Switch Leverage - Interface Name[Cross]Switch Leverage- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_switch_lever_rate 14、Added Cross Margin Mode Place An Order - Interface Name[Cross]Place An Order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_order 15、Added Cross Margin Mode Place A Batch Of Orders - Interface Name[Cross]Place A Batch Of Orders- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_batchorder 16、Added Cross Margin Mode Cancel An Order - Interface Name[Cross]Cancel An Order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_cancel 17、Added Cross Margin Mode Cancel All Orders - Interface Name[Cross]Cancel All Orders- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_cancelall 18、Added Cross Margin Mode Get Information of order - Interface Name[Cross]Get Information of order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_order_info 19、Added Cross Margin ModeGet Detail Information of order - Interface Name[Cross]Get Detail Information of order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_order_detail 20、Added Cross Margin Mode Current unfilled order acquisition - Interface Name[Cross]Current unfilled order acquisition- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_openorders 21、Added Cross Margin Mode Get History Orders - Interface Name[Cross]Get History Orders- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_hisorders 22、Added Cross Margin Mode Get History Match Results - Interface Name[Cross]Get History Match Results- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_matchresults 23、Added Cross Margin Mode Place Lightning Close Position - Interface Name[Cross]Place Lightning Close Position- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_lightning_close_position 24、Added Cross Margin Mode Place Trigger Order - Interface Name[Cross]Place Trigger Order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_trigger_order 25、Added Cross Margin Mode Cancel Trigger Order - Interface Name[Cross]Cancel Trigger Order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_trigger_cancel 26、Added Cross Margin Mode Cancel All Trigger Orders - Interface Name[Cross]Cancel All Trigger Orders- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_trigger_cancelall 27、Added Cross Margin Mode Query Open Trigger Order - Interface Name[Cross]Query Open Trigger Order- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_trigger_openorders 28、Added Cross Margin Mode Query Trigger Order History - Interface Name[Cross]Query Trigger Order History- Interface Typeprivate- Interface URL/linear-swap-api/v1/swap_cross_trigger_hisorders 29、Added Cross Margin Mode Subscribe Order Data - Interface Name[Cross]Subscribe Order Data- Interface Typeprivate- Subscription topicorders_cross.contract_code 30、Added Cross Margin Mode Subscribe Account Equity Updates Data - Interface Name[Cross]Subscribe Account Equity Updates Data- Interface Typeprivate- Subscription topicaccounts_cross.margin_account 31、Added Cross Margin Mode Subscribe Position Updates - Interface Name[Cross]Subscribe Position Updates- Interface Typeprivate- Subscription topicpositions_cross.contract_code 32、Added Cross Margin Mode Subscribe Match Order Data - Interface Name[Cross]Subscribe Match Order Data- Interface Typeprivate- Subscription topicmatchOrders_cross.contract_code 33、Added Cross Margin Mode Subscribe trigger orders updates - Interface Name[Cross]Subscribe trigger orders updates- Interface Typeprivate- Subscription topictrigger_order_cross.contract_code 34、Query Swap Info Added fields (added “support_margin_mode” parameter; added “support_margin_mode” in return parameter “data” to represent the margin mode that a contract supports.) - Interface NameQuery Swap Info- Interface Typepublic- Interface URLlinear-swap-api/v1/swap_contract_info 35、Query information on Tiered Adjustment Factor Added fields for return parameters ( added “margin_mode” to represent margin mode) - Interface NameQuery information on Tiered Adjustment Factor- Interface Typepublic- Interface URL/linear-swap-api/v1/swap_adjustfactor 36、Query information on system status Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery information on system status- Interface Typepublic- Interface URL/linear-swap-api/v1/swap_api_state 37、Query User’s Account Information Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery User’s Account Information- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_account_info 38、Query a single sub-accounts assets information Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery a single sub-accounts assets information- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_sub_account_info 39、Query Assets And Positions Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery Assets And Positions- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_account_position_info 40、Query assets information of all sub-accounts under the master account Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery assets information of all sub-accounts under the master account- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_sub_account_list 41、Query User’s Position Information Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery User’s Position Information- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_position_info 42、Query a single sub-accounts position information Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery a single sub-accounts position information- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_sub_position_info 43、Query account financial records Added fields (added “contract_code” to represent contract code) - Interface NameQuery account financial records- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_financial_record 44、Order details acquisition Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameOrder details acquisition- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_order_detail 45、Current unfilled order acquisition Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameCurrent unfilled order acquisition- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_openorders 46、Get History Orders Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameGet History Orders- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_hisorders 47、Acquire History Match Results Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameAcquire History Match Results- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_matchresults 48、Query Trigger Order Open Orders Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery Trigger Order Open Orders- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_trigger_openorders 49、Query Trigger Order History Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery Trigger Order History- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_trigger_hisorders 50、Query information on Transfer Limit Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameQuery information on Transfer Limit- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_transfer_limit 51、Query information on position limit Added fields for return parameters ( added “margin_mode” to represent margin mode) - Interface NameQuery information on position limit- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_position_limit 52、Query user’s available leverage Added fields for return parameters ( added “margin_mode” to represent margin mode) - Interface NameQuery user’s available leverage- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_available_level_rate 53、Switch Leverage Added fields for return parameters ( added “margin_mode” to represent margin mode) - Interface NameSwitch Leverage- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_switch_lever_rate 54、Subscribe Order Data Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameSubscribe Order Data- Interface Typeprivate- Subscription topicorders.contract_code 55、Subscribe Match Order Data Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameSubscribe Match Order Data- Interface Typeprivate- Subscription topicmatchOrders.contract_code 56、Subscribe trigger orders updates Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameSubscribe trigger orders updates- Interface Typeprivate- Subscription topictrigger_order.contract_code 57、Subscribe Position Updates Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameSubscribe Position Updates- Interface Typeprivate- Subscription topicpositions.contract_code 58、Subscribe Account Equity Updates Data Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameSubscribe Account Equity Updates Data- Interface Typeprivate- Subscription topicaccounts.contract_code 59、Subscribe Contract Info (no authentication) Added fields for return parameters ( added “support_margin_mode” to represent support margin mode) - Interface NameSubscribe Contract Info (no authentication)- Interface Typepublic- Subscription topicpublic.contract_code.contract_info 60、Get Information of an Order Added fields for return parameters (added “margin_account” for return parameters to represent margin account; added “margin_mode” to represent margin mode) - Interface NameGet Information of an Order- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_order_info   1.0.3 2020-12-02 Modified “Order details acquisition” interface (When querying cancelation data of orders that have not been partially filled, if “created_at” and “order_type” parameters are not uploaded, the data that can be queried reduced from last 12 hours to last 2 hours.); modified “Query history orders” interface (When querying cancelation data of orders that have not been partially filled, the data that can be retained reduced from last 24 hours to last 2 hours.) 1、Modified “Order details acquisition” interface (When querying cancelation data of orders that have not been partially filled, if “created_at” and “order_type” parameters are not uploaded, the data that can be queried reduced from last 12 hours to last 2 hours.) - Interface NameOrder details acquisition- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_order_detail 2、modified “Query history orders” interface (When querying cancelation data of orders that have not been partially filled, the data that can be retained reduced from last 24 hours to last 2 hours.) - Interface NameGet History Orders- Interface Typeprivate- Interface URLlinear-swap-api/v1/swap_hisorders   1.0.2 2020-11-24 Added: Query historical settlement records of the platform interface. Modified: Added fields of return parameter for Query Liquidation Orders interface and Subscribe Liquidation Order Data interface 1、Added “Query historical settlement records of the platform” interface - Interface Name: Query historical settlement records of the platform- Interface Type: public- Interface URL: linear-swap-api/v1/swap_settlement_records 2、Added fields of return parameter for Query Liquidation Orders interface“amount” and “trade_turnover” are added for return parameter “data. amount represents the liquidation amount (token); “trade_turnover” represents the liquidation amount (quotation token) - Interface Name: Query Liquidation Orders- Interface Type: public- Interface URL: linear-swap-api/v1/swap_liquidation_orders 3、Added fields of return parameter for Subscribe Liquidation Order Data interface“amount” and “trade_turnover” are added for return parameter “data. amount represents the liquidation amount (token); “trade_turnover” represents the liquidation amount (quotation token) - Interface Name: Subscribe Liquidation Order Data- Interface Type: public- Subscription topic: public.contract_code.liquidation_orders   1.0.1 2020-10-29 Updated: websocket messages of account topic will be pushed when leverage switch succeeds; websocket messages of position topic will be pushed when leverage switch succeeds; 1、Subscribe Account Equity Updates DataReturn parameters added “switch_lever_rate” event type to represent switching leverages. When the leverage is successfully switched, a latest information on assets will be pushed with event “switch_lever_rate. - Interface NameSubscribe Account Equity Updates Data- Interface Typeprivate- Subscribe topicaccounts.contract_code 2、Subscribe Position UpdatesReturn parameters added “switch_lever_rate” event type to represent switching leverages. When the leverage is successfully switched, a latest information on positions will be pushed with event “switch_lever_rate (the information will not be pushed when the users position is 0). - Interface NameSubscribe Position Updates- Interface Typeprivate- Subscribe topicpositions.contract_code   1.0.0 2020-10-26 14:00(GMT+8)