openapi: 3.2.0
info:
  title: REST API for Oracle Eloqua Marketing Cloud Service Application/2.0/Countries API
  description: The Oracle Eloqua Marketing Cloud Service REST APIs enable you to extend the functionality of the product, build Apps, and perform high volume data transfers.
  version: 2026.08.07
  x-summary: The Oracle Eloqua Marketing Cloud Service REST APIs enable you to extend the functionality of the product, build Apps, and perform high volume data transfers.
tags:
- name: Application/2.0/Countries
  description: Countries API endpoints.
paths:
  /api/rest/2.0/system/countries:
    get:
      operationId: GetCountriesGETRest20
      summary: Retrieve a list of countries
      description: Retrieve a list of countries
      responses:
        '400':
          description: Bad request. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '401':
          description: Unauthorized. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '403':
          description: Forbidden. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '404':
          description: The requested resource was not found. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
        '500':
          description: The service has encountered an error. See <a href='https://docs.oracle.com/cloud/latest/marketingcs_gs/OMCAB/index.html#CSHID=HTTPStatusCodes'>Status Codes</a> for information about other possible HTTP status codes.
      tags:
      - Application/2.0/Countries
      x-internal-id: api-rest-2.0-system-countries-get
      x-filename-id: api-rest-2.0-system-countries-get