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Application Programming Interfaces

The power of APIs

Combining industry expertise with innovative technology

Our Mission

We believe developers are the critical value generator for innovation in the digital economy, and it is our mission to help them get their job done.

We deliver critical information to leading decision makers in the legal, tax and accounting, and media markets, powered by the world’s most trusted news organization. Find information related to all the API platforms, products, and services Thomson Reuters and its partners have to offer. Consider this your toolkit to get the most out of Thomson Reuters APls. 

Thomson Reuters Developer Portal

The Thomson Reuters Developer Portal is our platform dedicated to you, the developer. Find the tools, documentation, sample code, learning materials, and discussions to help you get the results you need from our APls, tools, data, and capabilities. 

Legal Data APIs

Transform data into intelligent action. Extract select content from Thomson Reuters legal platforms to integrate into your systems, workflows, and processes.

Litigation Analytics API

Having access to Litigation Analytics data provides your firm with endless ways to surface valuable insights.

ONESOURCE APIs

Access APIs across the suite of ONESOURCE solutions, providing you with improved data accessibility, process automation opportunities, and the ability to establish fully seamless, end-to-end tax workflows.

Practical Law Data API

Bring together market-leading Practical Law legal guidance with your law firm's work product to locate resources with greater efficiency, get up to speed faster, and spend more time on the work that matters most.