For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

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API Documentation API Reference Protobuf Reference Changelog

- Introduction
Important Protobuf Functions
- Introduction
- CopyFrom

Introduction
Introduction
CopyFrom
AccountDataEnd
AccountDataRequest
AccountSummary
AccountSummaryEnd
AccountSummaryRequest
AccountUpdateMulti
AccountUpdateMultiEnd
AccountUpdatesMultiRequest
AccountUpdateTime
AccountValue
AllOpenOrdersRequest
ApiConfig
ApiPrecautionsConfig
ApiSettingsConfig
AttachedOrders
AutoOpenOrdersRequest
CalculateImpliedVolatilityRequest
CalculateOptionPriceRequest
CancelAccountSummary
CancelAccountUpdatesMulti
CancelCalculateImpliedVolatility
CancelCalculateOptionPrice
CancelContractData
CancelHeadTimestamp
CancelHistogramData
CancelHistoricalData
CancelHistoricalTicks
CancelMarketData
CancelMarketDepth
CancelNewsBulletins
CancelOrderRequest
CancelPnL
CancelPnLSingle
CancelPositions
CancelPositionsMulti
CancelRealTimeBars
CancelScannerSubscription
CancelTickByTick
CancelWshEventData
CancelWshMetaData
ComboLeg
CompletedOrder
CompletedOrdersEnd
CompletedOrdersRequest
ConfigRequest
ConfigResponse
ContractData
ContractDataEnd
ContractDataRequest
CurrentTime
CurrentTimeInMillis
CurrentTimeInMillisRequest
CurrentTimeRequest
DepthMarketDataDescription
DisplayGroupList
DisplayGroupUpdated
ErrorMessage
ExecutionDetails
ExecutionDetailsEnd
ExecutionFilter
ExecutionRequest
ExerciseOptionsRequest
FamilyCodes
FamilyCodesRequest
FAReplace
FARequest
GlobalCancelRequest
HeadTimestamp
HeadTimestampRequest
HistogramDataEntry
HistogramDataRequest
HistoricalData
HistoricalDataBar
HistoricalDataEnd
HistoricalDataRequest
HistoricalDataUpdate
HistoricalNews
HistoricalNewsEnd
HistoricalNewsRequest
HistoricalSchedule
HistoricalTicks
HistoricalTicksBidAsk
HistoricalTicksLast
HistoricalTicksRequest
IdsRequest
LockAndExitConfig
ManagedAccounts
ManagedAccountsRequest
MarketDataRequest
MarketDataType
MarketDataTypeRequest
MarketDepth
MarketDepthData
MarketDepthExchanges
MarketDepthExchangesRequest
MarketDepthL2
MarketDepthRequest
MarketRule
MarketRuleRequest
MatchingSymbolsRequest
MessageConfig
NewsArticle
NewsArticleRequest
NewsBulletin
NewsBulletinsRequest
NewsProviders
NewsProvidersRequest
NextValidId
OpenOrder
OpenOrdersEnd
OpenOrdersRequest
OrderAllocation
OrderBound
OrderCondition
OrdersConfig
OrdersSmartRoutingConfig
OrderStatus
PlaceOrderRequest
PnL
PnLRequest
PnLSingle
PnLSingleRequest
PortfolioValue
Position
PositionEnd
PositionMulti
PositionMultiEnd
PositionsMultiRequest
PositionsRequest
QueryDisplayGroupsRequest
RealTimeBarsRequest
RealTimeBarTick
ReceiveFA
ReplaceFAEnd
RerouteMarketDataRequest
RerouteMarketDepthRequest
ScannerData
ScannerDataElement
ScannerParameters
ScannerParametersRequest
ScannerSubscription
ScannerSubscriptionRequest
SecDefOptParameter
SecDefOptParameterEnd
SecDefOptParamsRequest
SetServerLogLevelRequest
SmartComponents
SmartComponentsRequest
SoftDollarTiers
SoftDollarTiersRequest
StartApiRequest
SubscribeToGroupEventsRequest
SymbolSamples
TickByTickData
TickByTickRequest
TickGeneric
TickNews
TickOptionComputation
TickPrice
TickReqParams
TickSize
TickSnapshotEnd
TickString
UnsubscribeFromGroupEventsRequest
UpdateConfigRequest
UpdateConfigResponse
UpdateConfigWarning
UpdateDisplayGroupRequest
UserInfo
UserInfoRequest
VerifyCompleted
VerifyMessageApi
VerifyMessageRequest
VerifyRequest
WshEventData
WshEventDataRequest
WshMetaData
WshMetaDataRequest

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CancelPositions

CancelPositions

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CancelPositions

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Field	Type	Description

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