ONESOURCE TRUSTS APIs allows customers to integrate their systems to retrieve data and also perform modifications to the data exposed.
Authentication is mandatory for accessing the APIs of the system which follows OAUTH2 standards. Before accessing the APIs, the user needs a valid bearer OAuth Token to be sent on every request made.
To create a valid token, follow the steps mentioned in Authorization for ONESOURCE API section. API will authorize the request by validating the token provided.
Scope for Trusts product api is 'urn:tr:onesource:auth:api:trusts' and service account/application account should be updated with access for 'Trusts' api product.
Overview 
OVERVIEW
ONESOURCE TRUSTS APIs allows customers to integrate their systems to retrieve data and also perform modifications to the data exposed.
Authentication is mandatory for accessing the APIs of the system which follows OAUTH2 standards. Before accessing the APIs, the user needs a valid bearer OAuth Token to be sent on every request made.
To create a valid token, follow the steps mentioned in Authorization for ONESOURCE API section. API will authorize the request by validating the token provided.
Scope for Trusts product api is 'urn:tr:onesource:auth:api:trusts' and service account/application account should be updated with access for 'Trusts' api product.