Need Webservice or REST API to derive country and currency code from city or state

Organization Name

Globaltranz Enterprises, Inc.

Description

I am doing the integration of Supplier from Third party to Oracle ERP Cloud, I am getting City and State Information from the Source Table and need to derive Country and Currency code using them. Is there any WebService or REST API available to do so?

Use Case and Business Need

I am doing the integration of Supplier from Third party to Oracle ERP Cloud, I am getting City and State Information from the Source Table and need to derive Country and Currency code using them. Is there any WebService or REST API available to do so?