{"id":7035,"date":"2025-08-28T22:35:38","date_gmt":"2025-08-29T03:35:38","guid":{"rendered":"https:\/\/librarytestdev.wpenginepowered.com\/?post_type=doc&p=7035"},"modified":"2026-06-15T12:01:38","modified_gmt":"2026-06-15T17:01:38","slug":"system-overview","status":"publish","type":"doc","link":"https:\/\/library-staging.tradingtechnologies.com\/tt-fix\/tt-fix-general\/getting-started-tt-fix-general\/system-overview\/","title":{"rendered":"System Overview"},"content":{"rendered":"\n

System Overview<\/h2>\n\n\n\n

The TT FIX service allows customers to receive real-time copies of all of their orders submitted through the TT\n\t\tplatform, along with their corresponding fills. To use this service, customers must develop FIX clients capable\n\t\tof connecting to and communicating with the TT FIX.<\/p>\n\n\n\n

TT FIX supports a subset of the FIX protocol (Version 4.2 with Errata 20010501 and Version 4.4) message types and\n\t\ttags within its message types. Refer to the website http:\/\/www.fixtradingcommunity.org\/<\/a> for additional FIX tag descriptions and message\n\t\tdefinitions.\n\n\t<\/p>\n\n\n\n

Identifying the FIX Schema Version<\/h2>\n\n\n\n

The second line of each TT FIX schema file contains an XML comment that identifies the schema’s publication date\n\t\tand internal version information, similar to the following.<\/p>\n\n\n\n

<!-- TT FIX Version: UAT 2026-08-11 10:25:17 Git:16bc4b86e3c94bef40c3dc55c5314c16df9c9930 MD5:998190c7d44e5636f42569d1279400ee --><\/code><\/pre>\n\n\n\n
Note<\/span>\n
TT FIX supports only those messages and tags described in this document. Do not submit other messages or tags to TT FIX, as doing so can produce unexpected results.<\/p>\n<\/div>\n\n\n\n
FIX Schemas<\/h2>\n\n\n\n
\n\n\tBoth production and UAT versions of the TT FIX schema are available for download at the links below.\n\n\t<\/p>\n\n\n\n
Production Version<\/h3>\n\n\n\n
TT currently supports two formats of the FIX 4.2 (Prod) and FIX 4.4 (Prod) schemas.<\/p>\n\n\n\n
All of the Production schemas contain the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n\n
Legacy Schemas<\/h4>\n\n\n\n
The Legacy Schemas<\/b> use the older format while containing the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n
TT-FIX42_legacy.xml (Prod) \u2013 Legacy Schema<\/a><\/p>
<!-- TT FIX Version: PROD 2026-05-29 22:20:35 Git:fcf5bf2be62d2c15043c1339cd3ed4eaf62db825 MD5:5079a318d2ec321380a7e67c1376391b --><\/code><\/pre>\n\n\n
TT-FIX44_legacy.xml (Prod) \u2013 Legacy Schema<\/a><\/p>
<!-- TT FIX Version: PROD 2026-05-30 04:30:57 Git:fcf5bf2be62d2c15043c1339cd3ed4eaf62db825 MD5:550c9aa2aa2556ff82640d40725f6c97 --><\/code><\/pre>\n\n\n\n
Component Schemas<\/h4>\n\n\n\n
The new Component Schemas<\/b> have been redesigned to support a component-based format of the schema. These schemas also contain the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n\n
This new approach will be available as the default format of the FIX schemas in future releases.<\/p>\n\n\n
TT-FIX42.xml (Prod) \u2013 New Component Schema<\/a><\/p>
<!-- TT FIX Version: PROD 2026-05-29 22:00:32 Git:fcf5bf2be62d2c15043c1339cd3ed4eaf62db825 MD5:ed46a2bbd53d169ea4645a57ed342b84 --><\/code><\/pre>\n\n\n
TT-FIX44.xml (Prod) \u2013 New Component Schema<\/a><\/p>
<!-- TT FIX Version: PROD 2026-05-29 22:10:33 Git:fcf5bf2be62d2c15043c1339cd3ed4eaf62db825 MD5:079778134da881215c9711d1d1c86104 --><\/code><\/pre>\n\n\n\n
Note<\/span>\n
TT recommends users download the new Component Schemas<\/b> to test and integrate with their systems in preparation for the new approach.<\/p>\n<\/div>\n\n\n\n
UAT Version<\/h3>\n\n\n\n
TT currently supports two formats of the FIX 4.2 (UAT) and FIX 4.4 (UAT) schemas.<\/p>\n\n\n\n
All of the UAT schemas contain the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n\n
Legacy Schemas<\/h4>\n\n\n\n
The Legacy Schemas<\/b> use the older format while containing the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n
TT-FIX42_legacy.xml (UAT) \u2013 Legacy Schema<\/a><\/p>
<!-- TT FIX Version: UAT 2026-08-03 18:20:34 Git:25a722a7bd3915a6067de3a4814160cc809b7abd MD5:578804ca853aed43125e24345c7b6b19 --><\/code><\/pre>\n\n\n
TT-FIX44_legacy.xml (UAT) \u2013 Legacy Schema<\/a><\/p>
<!-- TT FIX Version: UAT 2026-08-03 18:27:05 Git:25a722a7bd3915a6067de3a4814160cc809b7abd MD5:0d430ef7defcff0002e393282d1a6bee --><\/code><\/pre>\n\n\n\n
Component Schemas<\/h4>\n\n\n\n
The new Component Schemas<\/b> have been redesigned to support a component-based format of the schema. These schemas also contain the recent enhancements listed in the release notes<\/a>.<\/p>\n\n\n\n
This new approach will be available as the default format of the FIX schemas in future releases.<\/p>\n\n\n
TT-FIX42.xml (UAT) \u2013 New Component Schema<\/a><\/p>
<!-- TT FIX Version: UAT 2026-08-03 18:00:39 Git:25a722a7bd3915a6067de3a4814160cc809b7abd MD5:887134f3aa681e3bf034c500c2cbd7c8 --><\/code><\/pre>\n\n\n
TT-FIX44.xml (UAT) \u2013 New Component Schema<\/a><\/p>
<!-- TT FIX Version: UAT 2026-08-03 18:11:58 Git:25a722a7bd3915a6067de3a4814160cc809b7abd MD5:ec5361665270743e5d87a857ce5c7f8f --><\/code><\/pre>\n\n\n\n
Note<\/span>\n
TT recommends users download the new Component Schemas<\/b> to test and integrate with their systems in preparation for the new approach.<\/p>\n<\/div>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
System Overview<\/h2>\n
The TT FIX service allows customers to receive real-time copies of all of their orders submitted through the TT
\n\t\tplatform, along with their corresponding fills. To use this service, customers must develop FIX clients capable
\n\t\tof connecting to and communicating with the TT FIX.<\/p>\n
TT FIX supports a subset of the FIX protocol (Version 4.2 with Errata 20010501 and Version 4.4) message types and
\n\t\ttags within its message types. Refer to the website http:\/\/www.fixtradingcommunity.org\/<\/a> for additional FIX tag descriptions and message
\n\t\tdefinitions.<\/p>\n
Identifying the FIX Schema Version<\/h2>\n
The second line of each TT FIX schema file contains an XML comment that identifies the schema’s publication date
\n\t\tand internal version information, similar to the following.<\/p>\n
<!-- TT FIX Version: UAT  10:25:17 Git:16bc4b86e3c94bef40c3dc55c5314c16df9c9930 MD5:998190c7d44e5636f42569d1279400ee --><\/code><\/pre>\n
FIX Schemas<\/h2>\n
\n
\tBoth production and UAT versions of the TT FIX schema are available for download at the links below.<\/p>\n
Production Version<\/h3>\n
TT currently supports two formats of the FIX 4.2 (Prod) and FIX 4.4 (Prod) schemas.<\/p>\n
All of the Production schemas contain the recent enhancements listed in the release notes<\/a>.<\/p>\n
Legacy Schemas<\/h4>\n
The Legacy Schemas<\/b> use the older format while containing the recent enhancements listed in the release notes<\/a>.<\/p>\n
Component Schemas<\/h4>\n
The new Component Schemas<\/b> have been redesigned to support a component-based format of the schema. These schemas also contain the recent enhancements listed in the release notes<\/a>.<\/p>\n
This new approach will be available as the default format of the FIX schemas in future releases.<\/p>\n
UAT Version<\/h3>\n
TT currently supports two formats of the FIX 4.2 (UAT) and FIX 4.4 (UAT) schemas.<\/p>\n
All of the UAT schemas contain the recent enhancements listed in the release notes<\/a>.<\/p>\n
Legacy Schemas<\/h4>\n
The Legacy Schemas<\/b> use the older format while containing the recent enhancements listed in the release notes<\/a>.<\/p>\n
Component Schemas<\/h4>\n
The new Component Schemas<\/b> have been redesigned to support a component-based format of the schema. These schemas also contain the recent enhancements listed in the release notes<\/a>.<\/p>\n
This new approach will be available as the default format of the FIX schemas in future releases.<\/p>\n
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