Security Definition Request(c) — Production FIX API

SecurityDefinitionRequest(c) requests detailed contract definitions for one instrument on the Deribit production FIX API before market data subscription.

Request a specific Security to be traded with the second party. The request security is defined as a multileg security made up of two or more instrument legs. Also it can be used to query a list of combo-instrument securities offered by a trading parties. (this method is FIX equivalent of private/create_combo, public/get_combo_ids and private/get_combo_details request for WS/HTTPS end-points depending on SecurityRequestType (321) tag value).

Arguments

Tag	Name	Type	Required	Comments
320	SecurityReqID	String	Yes	Request identifier
321	SecurityRequestType	int	Yes	Type of Security Definition Request(c). Valid values: 0 = Request Security details, specifications by SecurityId, 1 = Request Security identity for the specifications provided, the combo-instrument will be created if necessary. 3 = Request list of existing combo-instruments
15	Currency	String	Yes	Required is SecurityRequestType = 3, examples: BTC, ETH
48	SecurityID	String	No	Required if SecurityRequestType = 0. Identifies combo instrument.
	Group InstrmtLegGrp
555	NoLegs	int	Yes	Number of legs that make up the Security
=>600	LegSymbol	String	No	Non-combo instrument name
=>624	LegSide	char	No	Valid values: 1 = Buy, 2 = Sell
=>623	LegRatioQty	int	No	Positive integer for the strategy

Response

The server sends Security Definition (d) message as a response, or rejects the request