http://docs.t4login.com/ 2026-05-13T23:07:42+00:00 http://docs.t4login.com/ http://docs.t4login.com/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-05-13T18:43:36+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:fixapi:newordersingle&rev=1778697816&do=diff NEW ORDER SINGLE [35=D] The New Order Single message submits orders to exchanges for execution. This message supports all instrument types including futures, options, spreads, and multileg strategies. Prerequisites * Account must be subscribed before order submission (automatic by default) text/html 2026-04-29T19:55:35+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:predictionmarkets&rev=1777492535&do=diff THIS PAGE IS UNDER CONSTRUCTION Prediction Markets Prediction markets on the T4 platform are binary-outcome instruments that settle at either 0 or 1 (expressed as a price). This page explains how to interpret settlement messages so your application can correctly determine the outcome of a prediction market trade. text/html 2026-04-29T19:44:58+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:sidebar&rev=1777491898&do=diff * Home * Developers Home * Trading API * WebSocket API Introduction * Download and Support * Message Reference * Connecting and Authenticating * Market Data & Definitions * Quote Feed * Account Feed * Order Routing * Pricing and Data Types * Certification and Testing * FAQ * Login API * Admin API * Onboarding Integration * Integration Walktrhough * Advanced Integration * Instruments API * Chart API * System Price Format … text/html 2026-04-29T17:05:27+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:fixapi:collateralreport&rev=1777482327&do=diff COLLATERAL REPORT [35=BA] The Collateral Report message provides account information including balances, positions, permissions, and notifications. Report Types (QtyType 854) Type Value Purpose Key Fields Account List 1 List user's accessible accounts 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 2026-04-27T18:30:42+00:00 chad (chad@undisclosed.example.com) http://docs.t4login.com/doku.php?id=developers:start&rev=1777314642&do=diff Welcome to the T4 Developer Documentation For all API support please email t4.apisupport@plus500.com Overview The T4 platform provides a comprehensive suite of APIs designed for financial trading applications. Our APIs enable developers to build powerful trading solutions with access to real-time market data, order execution, account management, and more. 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: