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.NET APIs for use in custom applications
Last update: December 16, 2016
Financial
Eikon APIs

These APIs provide capabilities to retrieve real-time data, historical price timeseries and to perform symbology conversion (e.g. to convert RIC to ISIN or vice versa).
App Studio - .NET SDK
Last update: February 27, 2019
Financial
App Studio

Desktop based application written in C# and delivered in .NET/WPF technology.
App Studio - Web SDK
Last update: February 27, 2019
Financial
App Studio

Web-based SDK for building App Studio applications using HTML5 and Javascript technologies.
BlockOne ID™
Last update: September 12, 2018
Financial
BlockOne

BlockOne ID™ is for mapping digital identities to Ethereum addresses.This makes it simple for end users to interact with the Ethereum blockchain.http://blockone.tr.com
BlockOne IQ™ for Corda
Last update: September 12, 2018
Financial
BlockOne

BlockOne IQ™ for Corda provides to access BlockOne IQ™ data services from within Corda based applications.
BlockOne IQ™ for Ethereum
Last update: September 12, 2018
Financial
BlockOne

BlockOne IQ™ for Ethereum provides to access BlockOne IQ™ data services from within Ethereum based applications (Dapps).
COM APIs for use in custom applications
Last update: December 16, 2016
Financial
Eikon APIs

Eikon Desktop Data API enables developers to write custom applications utilizing Eikon COM APIs within standalone applications. Custom applications are applications running in a process other than the Eikon for...
COM APIs for use in Microsoft Office
Last update: December 16, 2016
Financial
Eikon APIs

"Thomson Reuters Eikon - Microsoft Office" includes various COM APIs giving the developer access to the rich content available in Thomson Reuters Eikon.  The APIs facilitate the programmatic...
Connected Risk API
Last update: January 11, 2019
Risk
Connected Risk

The Connected Risk API supports the execution of Web Service calls, which allow you to retrieve and update information for a Connected Risk installation.
DataScope Select - REST API
Last update: February 27, 2019
Financial
DataScope Select (DSS)

DataScope Select (DSS) is an internet hosted platform, with request-retrieve REST and SOAP APIs that offer unparalleled access to global pricing, validated terms and conditions, historical data content, corporate...
DataScope Select - SOAP API
Last update: February 27, 2019
Financial
DataScope Select (DSS)

DataScope Select (DSS) is an internet hosted platform, with request-retrieve REST and SOAP APIs that offer unparalleled access to global pricing, validated terms and conditions, historical data content, corporate...
Datastream Web Service
Last update: March 1, 2019
Financial
Eikon APIs

Datastream is the world’s leading time series database, with histories back to the 1950’s.
Eikon Data API
Last update: February 14, 2019
Financial
Eikon APIs

The Eikon Data API provide simple access to users who require programmatic access to Eikon data on the desktop. This API is intended for Eikon users.
Elektron Data Platform APIs
Last update: March 14, 2019
Financial
Elektron Data Platform

Elektron Data Platform APIs  - Please contact your account team for more details or to get an account
Elektron SDK - C/C++
Last update: February 27, 2019
Financial
Elektron

The Elektron C/C++ SDK provides consumer and publisher features to developers of Thomson Reuters Elektron and Enterprise Platform through low-level (transport) and high-level (content) interfaces.
Elektron SDK - Java
Last update: February 27, 2019
Financial
Elektron

The Elektron Java SDK provides consumer and publisher features to developers of Thomson Reuters Elektron and Enterprise Platform through low-level (transport) and high-level (content) interfaces.
Enhanced Due Diligence API
Last update: March 20, 2019
Risk
Customer and third party screening

https://www.refinitiv.com/en/products/enhanced-due-diligenceReports delivered to you securely, easy access to past reports, track your usage online,  full customer support all through our EDD API. 
Intelligent Tagging - RESTful API
Last update: February 27, 2019
Financial
Open PermID

The Intelligent Tagging API tags your content with rich semantic metadata, by identifying and tagging entities, events, and topics. (Open Calais is the free, limited version of Intelligent Tagging.)
Open Data Access Control System API · C++
Last update: October 6, 2016
Financial
Thomson Reuters Enterprise Platform

The Open DACS API, an extension to DACS (Data Access Control System), is a flexible programmatic interface enabling enterprise-wide data access management across all custom or third-party applications.
Open Data Access Control System API · Java
Last update: October 6, 2016
Financial
Thomson Reuters Enterprise Platform

The Open DACS API, an extension to DACS (Data Access Control System), is a flexible programmatic interface enabling enterprise-wide data access management across all custom or third-party applications.
Open Data Access Control System API · .NET
Last update: October 6, 2016
Financial
Thomson Reuters Enterprise Platform

The Open DACS API, an extension to DACS (Data Access Control System), is a flexible programmatic interface enabling enterprise-wide data access management across all custom or third-party applications.
Open PermID - Entity Search · RESTful API
Last update: September 17, 2018
Financial
Open PermID

The entity search API enables you to search entities in 2 ways: search by name, ticker, or RIC (Reuters Instrument Code) to return PermIDs. Or, if you have it, use the PermID in the request.
Open PermID - Record Matching - RESTful API
Last update: September 17, 2018
Financial
Open PermID

Match records with our unique tool:  upload up to 1000 records of your own universe, using input fields such as name, ticker and RIC, to return PermIDs for each one. 
REDI API
Last update: November 1, 2018
Financial
Transactions

The REDI API allows you to access the breadth of REDI's capabilities, including order entry, order and execution monitoring, position retrieval, and more.
Reuters Management Classes (RMC) - C++ Edition
Last update: June 28, 2016
Thomson Reuters Enterprise Platform - Legacy APIs

Legacy API - RMC is Thomson Reuters open and supported strategic management interface. It is the API that provides clients and third-party developers access to management information.
Robust Foundation API (RFA) · C++
Last update: August 29, 2018
Financial
Thomson Reuters Enterprise Platform

The Robust Foundation API (RFA) – C++ Edition is a developer toolkit that gives customer applications access to real-time financial data delivered by TREP and Elektron Real Time.
Robust Foundation API (RFA) · Java
Last update: August 29, 2018
Financial
Thomson Reuters Enterprise Platform

Robust Foundation API (RFA) – Java Edition is a developer toolkit that gives customer applications access to a wide range of real-time financial data delivered by TREP and Elektron Real Time.
Robust Foundation API (RFA) · .NET
Last update: August 29, 2018
Financial
Thomson Reuters Enterprise Platform

The Robust Foundation API (RFA) - .NET Edition is a developer toolkit that gives customer applications access to a wide range of real-time financial data delivered by TREP and Elektron Real Time.
Screening Deployed API
Last update: March 20, 2019
Risk
Customer and third party screening

Provides an effective risk screening process behind your company’s firewall, with World-Check Risk Intelligence data easily integrated with your own systems using industry standard services.
Screening Online API
Last update: March 20, 2019
Risk
Customer and third party screening

Provides an interface to screen your customers against the World-Check Risk Intelligence data. This can be integrated with in-house applications without the need for a separate service or tool.
Side by Side Integration API
Last update: November 12, 2018
Financial
Eikon APIs

The Side by Side Integration API dynamically connects proprietary applications with Eikon to create a seamless workflow across different products on a user’s desktop.
SSL Developer Kit (SDK) - C Edition
Last update: June 28, 2016
Thomson Reuters Enterprise Platform - Legacy APIs

Legacy API - The Reuters SSL 4.5 is the standard 'C'  based Application Programming Interface (API) for financial market data available on the Reuters DataFeed.
System Foundation Classes (SFC) · C++
Last update: June 28, 2016
Thomson Reuters Enterprise Platform - Legacy APIs

Legacy API - System Foundation Classes (SFC) provides a higher level API consisting of a framework of abstract data models that incorporate intelligence related to financial application domains.
System Foundation Classes (SFC) · Java
Last update: June 28, 2016
Thomson Reuters Enterprise Platform - Legacy APIs

Legacy API - System Foundation Classes (SFC) provides a higher level API consisting of a framework of abstract data models that incorporate intelligence related to financial application domains.
System Foundation Classes (SFC) · COM
Last update: June 28, 2016
Thomson Reuters Enterprise Platform - Legacy APIs

Legacy API - System Foundation Classes (SFC) provides a higher level API consisting of a framework of abstract data models that incorporate intelligence related to financial application domains.
Thomson Reuters Knowledge Direct API (TRKD API)
Last update: February 27, 2019
Financial
Thomson Reuters Knowledge Direct (TRKD)

The Thomson Reuters Knowledge Direct (TRKD) API integrates into your website, trading platform, company intranet/extranet, advisory portal and mobile applications to provide up-to-date financial market data, news...
Thomson Reuters Tick History (TRTH) - REST API
Last update: January 11, 2017
Financial
Thomson Reuters Tick History (TRTH)

Tick History's REST API is a Representational State Transfer (REST)-compliant API providing unparalleled access to historical high frequency data across global asset classes dating to 1996.
TR Knowledge Graph Feed API
Last update: September 25, 2018
Financial
TR Knowledge Graph

The Thomson Reuters Knowledge Graph Feed API gives access to a linked data set of Thomson Reuters financial content. 
Ultra Performance API (UPA) · Java
Last update: June 17, 2016
Financial
Thomson Reuters Enterprise Platform

The Ultra Performance (UPA) API Java Edition is a low-level API that provides the most flexible development environment to the application developer. It is the foundation on which all Thomson Reuters Open Message...
Java
Ultra Performance API (UPA) · C
Last update: June 17, 2016
Financial
Thomson Reuters Enterprise Platform

The Ultra Performance (UPA) API C Edition is a low-level API that provides the most flexible development environment to the application developer. It is the foundation on which all Thomson Reuters Open Message...
c
Velocity Analytics · .Net
Last update: February 27, 2019
Financial
Velocity Analytics

Thomson Reuters Velocity Analytics (TRVA) is a high speed analytics and data services platform.
Velocity Analytics · Java
Last update: August 7, 2017
Financial
Velocity Analytics

Thomson Reuters Velocity Analytics (TRVA) is a high speed analytics and data services platform.
WebSocket API
Last update: January 16, 2019
Financial
Elektron

This is a direct access WebSocket API that enables easy integration into a multitude of client technology environments such as scripting and web.  
World-Check One API
Last update: March 20, 2019
Risk
Customer and third party screening

The World-Check One API enables developers to integrate the next generation of screening capabilities and streamline the processes for on-boarding, KYC and third party due diligence.
World-Check One Zero Footprint Screening API
Last update: February 25, 2019
Risk
Customer and third party screening

World-Check One Zero Footprint Screening API provides customers with a new method to access the existing World-Check content using Zero Footprint functionality on the Cloud.