Which authentication method does Salesforce B2C Commerce support?

Salesforce B2C Commerce supports OAuth 2.0 as its authentication method, which is a widely adopted standard for token-based authentication typically used by web and mobile applications. This framework provides a secure and flexible way to grant external applications limited access to user data without exposing the user's credentials. In the context of Salesforce B2C Commerce, OAuth 2.0 allows applications to obtain access tokens that facilitate interaction with the platform's APIs in a secure manner.

The OAuth 2.0 protocol also supports a variety of authentication flows, making it suitable for different types of applications, whether they're server-to-server communications, mobile apps, or web applications. Using OAuth 2.0 enhances security by minimizing the chances of password theft and encouraging best practices around token lifecycle management, like token expiration and revocation.

It's important to note that while the other methods listed have their uses in various contexts, they do not align with Salesforce B2C Commerce’s primary support for OAuth 2.0. For instance, basic authentication can expose credentials in transit and is not as secure for modern application development. API key authentication is less flexible and doesn’t provide the advanced security features offered by OAuth 2.0. Similarly, SAML authentication, while useful for single