There are four roles defined in the OAuth 2.0 specifications:
- Resource owner
- Resource server
- Client
- Authorization server
The following diagram represents the different roles and how the interact with each other:
![](/api/v2/epubs/9781789530728/files/assets/4ebc21a2-ef67-409d-9257-cf6ff5bc6912.png)
There are four roles defined in the OAuth 2.0 specifications:
The following diagram represents the different roles and how the interact with each other:
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