REST API Best Practices: Parameter Placement Guidelines [Closed]

When designing a REST API, it is important to consider the placement of parameters in order to create a clean and organized API. Here are some best practices to follow:

1. Path parameters should be used for identifying a specific resource or endpoint. For example, in a request to /users/{user_id}, {user_id} is a path parameter.

2. Query parameters should be used for optional filtering and pagination. For example, in a request to /users?limit=10&offset=20, limit and offset are query parameters.

3. Request body parameters should be used for creating or updating a resource. The request body should contain a JSON or XML representation of the resource.

4. Header parameters should be used for metadata or authentication. For example, an API key or authentication token can be passed in a header parameter.

By following these guidelines, you can create a well-organized and easy-to-use REST API. Remember to always consider the needs of your users and the purpose of your API when designing parameter placement.