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APIs
Tax | Indirect Tax API Family
Address Validation Service- 2008/04
U.S. address cleansing and validation service corrects, standardizes, and even completes all U.S.... Read More
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Tax | ONESOURCE Administration
Authorities
ONESOURCE Authorities APIs provide developers access to a list of governmental agencies that are... Read More
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Tax | ONESOURCE Authorization
Authorization for ONESOURCE API
Thomson Reuters (TR) uses OAuth 2.0 to authenticate connections that use the TR APIs. OAuth 2.0 is... Read More
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Legal | System To System (S2S)
CLEAR System To System
RESTful APIs that provide searching and reporting capabilities.
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Legal | Practical Law
Data API
The Practical Law Data API allows your organization to download the full text of Practical Law... Read More
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Tax | ONESOURCE Administration
Domains
ONESOURCE Domains APIs provide developers access to a list of various tax and business areas that... Read More
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