User authentication and authorization in an e-commerce context

In an e-commerce application, user authentication and authorization are critical for several reasons.

Here is a list of a few examples of the importance of implementing authentication and authorization in your API. Some of these reasons are already familiar to us since we already explored the topic in Chapters 5 and 6:

• Security: Authentication ensures that only registered users can access certain features of the application, such as placing orders or viewing order histories. Authorization ensures that users can only access resources they are permitted to access, preventing unauthorized actions.
• User experience: Proper authentication and authorization mechanisms improve the user experience by allowing users to manage their accounts, view personalized content, and perform secure transactions.
• Data integrity: By restricting access to sensitive operations and data, these mechanisms help maintain the integrity...