APIs - Outro

What are the common HTTP methods used in REST APIs?

• GET, POST, PUT, PATCH, DELETE

• FETCH

• REMOVE

• UPDATE

Explain the CRUD operations in Express API.

• Create: POST method to add new data, Read: GET method to retrieve data, Update: PUT or PATCH method to modify existing data, Delete: DELETE method to remove data.

• Create: GET method to add new data

• Read: POST method to retrieve data

• Delete: PUT method to remove data

• Update: DELETE method to modify existing data

How can error handling be implemented in REST APIs?

• Using emojis to indicate errors

• Providing error messages in a different language

• Returning random error codes

• Using appropriate HTTP status codes and providing meaningful error messages in the response body.

Give an example of a GET request in a REST API.

• POST https://api.example.com/users

• DELETE https://api.example.com/users

• GET https://api.example.com/users

• PUT https://api.example.com/users

What is the purpose of middleware in Express API?

• Middleware is responsible for rendering the front-end of the application

• Middleware is used to handle database operations only

• Middleware is used to define the structure of the API endpoints

• Middleware in Express API is used to execute code in between receiving a request and sending a response.