http://docs.t4login.com/ 2026-05-15T11:37:24+00:00 http://docs.t4login.com/ http://docs.t4login.com/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-04-29T00:07:32+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:websocket:quotes&rev=1777421252&do=diff Quote Feed The Quote Feed provides real-time market data in two formats: Market by Price (MBP) and Market by Order (MBO). * Market by Price (MBP) – Aggregates orders at each price level, showing the best bid/offer (BBO) or a depth of market (DOM) text/html 2026-04-22T20:05:40+00:00 frank (frank@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:websocket:messages&rev=1776888340&do=diff T4 Protocol Message Reference This document provides a reference for all messages in the T4 Protocol. The protocol uses Protocol Buffers (protobuf) for message serialization. Client/Server Message Envelopes All communication in the T4 Protocol is done via a pair of envelope messages: