What type of dynamic registration is supported under OAuth 2.0?

The concept of Dynamic Client Registration is a key feature under the OAuth 2.0 framework that allows clients to register with an authorization server programmatically. This process enables applications to automatically provide details like their name, website, redirect URIs, and any other required information without needing manual intervention or pre-configuration. Dynamic Client Registration enhances flexibility and scalability in environments where new clients or applications are frequently added, as it streamlines the onboarding process.

In the context of OAuth 2.0, this allows businesses to integrate new applications or services quickly and efficiently while ensuring security and compliance with the parameters set by the authorization server. It is particularly useful in microservices architectures, where various services may need to communicate securely with varying ownership and capabilities.

The other options, while they may sound relevant, do not fit within the standard definitions and functionalities established by OAuth 2.0 specifications. Dynamic Credential Distribution and Dynamic Access Token Retrieval are not recognized as separate dynamic registration processes under OAuth. Instead, access tokens are typically issued following the authorization steps, and credentials are managed through other means. Similarly, Dynamic User Management does not relate to the registration of clients but rather focuses on the management of user accounts, which is outside the scope of client registration in OAuth 2.