Oracle Fusion Applications provides a variety of ways for third-party applications to integrate with its services, one of which is through the SCIM (System for Cross-domain Identity Management) REST API. SCIM is a protocol designed to make managing identities in cloud-based applications and services easier. It defines a schema for representing users and groups, as well as a RESTful API for all the create, read, update, delete (CRUD) operations on these resources.

Oracle does provide APIs to manage users and roles, but the specifics of Oracle’s support for the SCIM standard may have changed.

Generally, in order to use Oracle’s SCIM API, you would follow these steps:

1. Setup: Before you start, make sure your user account has the necessary permissions to access the Oracle Fusion SCIM API.

2. Authentication: Depending on your setup, you may need to authenticate your application with Oracle Fusion. This could be done by using OAuth 2.0 or another supported authentication scheme.

3. Making Requests: Once you’re authenticated, you can start making HTTP requests to the Oracle Fusion SCIM API. For example, to retrieve a list of users, you might send a GET request to a URL like https://<HOST>:<PORT>/hcmRestApi/scim/Users. Remember to include any necessary authentication information in your request headers.

4. Processing Responses: The Oracle Fusion SCIM API typically returns data in JSON format. You’ll need to parse this data to use it in your application.