The image shows the data flow of initial authorization requests.

Oracle Cloud Infrastructure API Gateway is at the center of the diagram. Surrounding OCI API Gateway are icons representing:

• Clients (mobile, third-party systems, web applications)
• Identity providers (Oracle Cloud Infrastructure Identity and Access Management and other identity providers providing single sign-on service)
• Backend services and applications (E-Business Suite, APIs, and databases)

There are six arrows in the diagram. Each arrow is numbered and described as follows:

1. An arrow points from the client to OCI API Gateway.
2. An arrow points from OCI API Gateway back to the client.
3. An arrow points from the client to the identity provider.
4. An arrow points from the identity provider back to the client.
5. An arrow points from the identity provider to OCI API Gateway.
6. An arrow points from OCI API Gateway to the backend services and applications.