API Reference
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Security Definition <d>

Tag#

Field Name

Required

Comments

Standard Header

Yes

MsgType <35> = d

320

SecurityReqID

Yes

ID from the corresponding Security Definition Request

55

Symbol

Yes

Trading symbol of the security
E.g. BTCUSD

5001

BaseAsset

Yes

Base asset of security (e.g., BTC)

5002

QuoteAsset

Yes

Quote asset of security (e.g., USD)

5003

BaseAssetPrecision

Yes

Integer value that represents a number of decimal points in prices
E.g. 0.00001

5004

QuoteAssetPrecision

Yes

Integer value that represents a number of decimal points in size
E.g. 0.00000001

6001

RetailAllowed

Yes

Retail trading allowed
Valid values:
Y or N

6002

PiAllowed

Yes

PI trading allowed
Valid values:
Y or N

6003

CorporateAllowed

Yes

Corporate trading allowed
Valid values:
Y or N

6004

OmnibusAllowed

Yes

Omnibus trading allowed
Valid values:
Y or N

7001

LimitOrderMinQty

Yes

Minimum quantity required for Limit order
E.g. 0.0003

7002

LimitOrderMaxQty

Yes

Maximum quantity required for Limit order
E.g. 16

7003

LimitOrderMinAmount

Yes

Minimum cash notional required for Limit order
E.g. 10

7004

LimitOrderMaxAmount

Yes

Maximum cash notional required for Limit order
E.g. 400000

8001

MarketOrderMinQty

Yes

Minimum quantity required for Market order
E.g. 0.0003

8002

MarketOrderMaxQty

Yes

Maximum quantity required for Market order
E.g. 8

8003

MarketOrderMinAmount

Yes

Minimum cash notional required for Market order
E.g. 10

8004

MarketOrderMaxAmount

Yes

Minimum cash notional required for Market order
E.g. 200000

9001

TickSize

Yes

Smallest increment of price of a trading pair
E.g. 0.01

9002

StepSize

Yes

Smallest increment of by which the quantity of an order can change
E.g. 0.00001

9003

buyPriceUpRate

Yes

Upper bound of the current last traded price
E.g. 0.20

9004

sellPriceDownRate

Yes

Lower bound of the current last traded price
E.g. 0.20

Standard trailer

RAW
       8=FIX.4.4|9=278|35=d|34=50|49=TradingGateway|52=20240608-16:33:40.382|56=JOSEPH|55=BTC-USD|320=123|5001=BTC|5002=USD|5003=0.00001|5004=0.00000001|6001=Y|6002=Y|6003=Y|6004=Y|7001=0.0003|7002=16|7003=10|7004=400000|8001=0.0003|8002=8|8003=10|8004=200000|9001=0.01|9002=0.00001|9003=0.2|9004=0.2|10=228|

HEADER
       8                    BeginString: FIX 4.4
       9                     BodyLength: 278
      35                        MsgType: d (Security Definition)
      34                      MsgSeqNum: 50
      49                   SenderCompID: TradingGateway
      52                    SendingTime: 20240608-16:33:40.382
      56                   TargetCompID: JOSEPH


BODY
      55                         Symbol: BTC-USD
     320                  SecurityReqID: 123
     5001                          Base: BTC
     5002                         Quote: USD
     5003            BaseAssetPrecision: 0.00001
     5004           QuoteAssetPrecision: 0.00000001
     6001                 RetailAllowed: Y
     6002                     PiAllowed: Y
     6003              CorporateAllowed: Y
     6004                OmnibusAllowed: Y
     7001              LimitOrderMinQty: 0.0003
     7002              LimitOrderMaxQty: 16
     7003           LimitOrderMinAmount: 10
     7004           LimitOrderMaxAmount: 400000
     8001             MarketOrderMinQty: 0.0003
     8002             MarketOrderMaxQty: 8
     8003          MarketOrderMinAmount: 10
     8004          MarketOrderMaxAmount: 200000
     9001                      TickSize: 0.01
     9002                      StepSize: 0.00001
     9003                buyPriceUpRate: 0.2
     9004             sellPriceDownRate: 0.2


TRAILER
              10               CheckSum: 228