apis

Question 1

What is the difference between REST and SOAP APIs?

Answer 1

• REST - JSON, HTTP methods, caching
• SOAP - XML

Question 2

How do you handle C# API error handling?

Answer 2

• Use Try-Catch Blocks
• Return Appropriate HTTP Status Codes
• 400 Bad Request
• 500 Internal Server Error

Question 3

What is C# API data serialization?

Answer 3

• Convert data into format that can be transmitted and reconstructed on receiving end
• JSON - C# has libraries like Newtonsoft.Json for serializing and deserializing JSON data

Question 4

How do you deal with C# API security?

Answer 4

• Authentication - e.g. OAuth (Bearer Tokens), JWT, etc.
• Rate Limiting - to prevent DDOS attacks
• API Versioning - make sure code changes to APi doesn’t affect existing clients

Question 5

What are C# REST principles?

Answer 5

• Stateless Communication - each request is independent and doesn’t rely on any previous requests
• HTTP Methods - GET, POST, PUT, DELETE
• Representation - JSON

Question 6

What is an API wrapper?

Answer 6

• API wrapper lets you call it instead of the API directly.

Question 7

What are some API performance and optimizations?

Answer 7

• Caching
• Rate Limiting
• Asynchronous Processing
• Load Balancing

Question 8

Consume API steps

Answer 8

1. GetAsync()
2. ReadAsStringAsync()
3. DeserializeObject