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## 18.5.7 Working with REST Data Sources for Oracle Cloud SaaS Applications

Learn about using APEX REST Data Sources with Oracle Cloud SaaS applications.

- About REST Data Source Support for Oracle Cloud SaaS Applications
  Learn about REST Data Source support for Oracle Cloud SaaS applications.
- Creating REST Data Source for Oracle Cloud SaaS Apps
  Learn about creating a REST Data Source for an Oracle Cloud SaaS application.
- REST Data Source Definitions for Oracle Cloud SaaS Apps
  Learn about viewing REST Data Source definitions for an Oracle Cloud SaaS application.
- REST Data Source Runtime Features for Oracle Cloud SaaS Apps
  Learn about Oracle Cloud SaaS application runtime features.
- Filter Parameters for Query By Example and Parent and Child Use Cases
  Create filter parameters for Query By Example and parent and child use cases.
- Working Against a Sandbox
  Associate an APEX application with a sandbox by defining a sandbox name on the Shared Components, Component Settings, Oracle Cloud Applications (SaaS) REST Service page.
- Best Practices for Configuring REST Service Base URL
  Learn about best practices for configuring REST Service Base URL.
- Overriding Default Runtime Headers If Necessary
  Define a REST Data Source parameter to use a later REST framework version.
- Data Profile Column Annotations
  Add Data Profile Column annotations using the Additional Info attribute.
- Example: Creating a REST Data Source Against a Fusion Applications Endpoint
  Learn how avoid an error when creating a REST Data Source against a Fusion Applications end point which uses selectively required attributes.

Parent topic: Managing REST Data Sources