Socket Feed providers real-time stock quote data updates and trade updates.

And stock quote and order have difference endpoints, check here.

Stock Quote Overview

Type	Description
Pull	Get Basic Information Of Securities
	Get Real-time Quotes Of Securities
	Get Real-time Quotes Of Option Securities
	Get Real-time Quotes Of Warrant Securities
	Get Security Depth
	Get Security Brokers
	Get Broker IDs
	Get Security Trades
	Get Security Intraday
	Get Security Candlestick
	Get Option Chain Expiry Date List
	Get Option Chain Info By Date
	Get Warrant Issuer IDs
	Get Filtered Warrant
	Get Trading Session Of The Day
	Get Market Trading Days
	Get Security Capital Flow Intraday
	Get Security Capital Distribution
	Get Calculate Indexes Of Securities
	Get Security History Candlestick
Subscription	Get Subscription Information
	Subscribe Quote
	Unsubscribe Quote
Push	Push Real-time Quote
	Push Real-time Depth
	Push Real-time Brokers
	Push Real-time Trades

More detail can check here

Trade

Type	Functional
Subscribe	Subscribe Cancel Subscribe
Notify	Notification

More detail check here