Modern best practices favor the PKCE extension for public clients, which still relies on the client ID but adds a layer of cryptographic proof to the request. Authorization Code Flow In the authorization code flow, the client ID is included in the initial authorization request.
Client ID Registration Authorization Server: Understanding the Process
0 Flows The most common environment for a client ID is the OAuth 2. Here, the client ID is used in tandem with the secret to authenticate the client directly with the token endpoint, offering a higher level of assurance.
While less secure than the authorization code flow, this method was designed for environments where the client secret could not be kept confidential. When a user attempts to log in via a third-party service, such as "Sign in with Google" or "Continue with Facebook," the client ID is the first piece of information exchanged.
Client ID Registration Authorization Server Explained
Proper logging and monitoring should be implemented to detect anomalous requests associated with a specific client ID. It is critical to treat this identifier with care; while it is not a secret, exposing it widely can allow malicious actors to conduct phishing attacks using the legitimate branding of the associated service.
More About What is client id
Looking at What is client id from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on What is client id can make the topic easier to follow by connecting earlier points with a few simple takeaways.
