API Design Document

1. Introduction

This document describes the design of the APIs for the system.

2. Authentication

• Authentication Method: (e.g., OAuth 2.0, API Keys)

3. Endpoints

3.1. Users

• POST /users - Create a new user.
• GET /users/{id} - Get a user by ID.
• PUT /users/{id} - Update a user.
• DELETE /users/{id} - Delete a user.

3.2. Products

• POST /products - Create a new product.
• GET /products - Get a list of products.
• GET /products/{id} - Get a product by ID.
• PUT /products/{id} - Update a product.
• DELETE /products/{id} - Delete a product.

4. Error Handling

Status Code	Meaning
400	Bad Request
401	Unauthorized
403	Forbidden
404	Not Found
500	Internal Server Error