Api Overview

Last updated: Mar 28, 2025

Authorities API

API provides developers access to a list of governmental agencies that are curated by Thomson Reuters, and are available in several ONESOURCE applications.
  • Data & document management
  • Data access

Overview

Description of API

ONESOURCE Authorities APIs provide developers access to a list of governmental agencies that are curated by Thomson Reuters and are available in several ONESOURCE applications.

Authorities are associated with the Jurisdiction and the Domain(s) that the authority covers. This list primarily includes authorities that ONESOURCE applications use and is a partial list of all possible authorities.

Key Benefits:

ONESOURCE Central Management of Authorities assists with creating consistency around selecting the authority that is being targeted for information and work that is being done.

Geographic Availability:

Accounts API is supported in AMER, APAC and EMEA

See Next

Related APIs

ONESOURCE Administration
Authorization for ONESOURCE API

Guidelines to perform actions, such as creating app and user, generating a token and making a call, with Autorization API

ONESOURCE Administration
ONESOURCE Jurisdiction API

Provides access to a list of geographic locations, curated by Thomson Reuters and available in several ONESOURCE applications.

ONESOURCE Administration
Domains API

API provides access to a list of various tax and business areas that are curated by Thomson Reuters.