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Obtain your session Key (first needs UserName, PassWord, and MFA):

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
cmd=logon&user=USERNAME&pw=PASSWORD&pin=MFA_CODE

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Get all messages available:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgtypes

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Get field definitions for a message:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getschema&msgtype=OptionNbboQuote

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Filtering for an Option Key:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgs&msgtype=OptionNbboQuote&
where=okey:eq:SPX-NMS-EQT-2024-03-15-4550-C

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Filtering for a Ticker Key:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgs&msgtype=StockBookQuote&
where=ticker:eq:AAPL-NMS-EQT
or 
https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgs&msgtype=OptionNbboQuote&
where=okey.tk:eq:AAPL

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Filtering by a View:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgs&msgtype=OptionNbboQuote&
view=okey|bidprice|askprice

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Complex filtering:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsgs&msgtype=OptionNbboQuote&
where=(bidsize:eq:1%26asksize:eq:1)|(bidsize:eq:10%26asksize:eq:1)&
view=okey|bidprice|askprice|asksize|bidsize

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Complex Primary Keys:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getmsg&msgtype=LiveSurfaceCurve&
pkey=AAPL-NMS-EQT-2023-12-01|Live
Note that in this example the pkey is a repeater with en Expiry Key + SurfaceType Simple getAggregate: 
https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getaggregate&msgtype=OptionNbboQuote&
measure=bidprice|askprice|bidsize|asksize

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GetAggregate by Bid Exchange:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"getaggregate&msgtype=OptionNbboQuote&
group=bidexch&measure=bidprice|askprice|bidsize|asksize

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GetAggregate by Bid Exchange Top3:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getaggregate&msgtype=OptionNbboQuote&
group=bidexch:top:3&measure=bidprice|askprice|bidsize|asksize

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GetAggregate by bidPrice Range:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getaggregate&msgtype=OptionNbboQuote&
group=bidprice:RANGE:3&measure=bidprice

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GetAggregate complex:

https://mlink-live.nms.saturn.spiderrockconnect.com/rest/json?
apikey="your_api_key_token"&cmd=getaggregate&msgtype=OptionPrint&
group=timestamp:TRANGE:3&measure=prtsize&
where=timestamp:cb:value1#value2