Top 100 API Courses and Q&A

Learning API (Application Programming Interface) courses involves understanding the fundamental concepts and practical implementations of building, consuming, and managing APIs.

APIs serve as crucial bridges between different software systems, allowing them to communicate and share data effectively.

These courses typically cover various aspects, including RESTful API design, authentication, documentation, versioning, and best practices for creating robust and scalable APIs.

The advantages of learning API courses are manifold.

Firstly, it equips individuals with the skills necessary to design and develop APIs that enable seamless integration between different applications and services, fostering interoperability and enhancing software capabilities.

Secondly, understanding APIs enhances one’s ability to leverage third-party APIs, reducing development time and costs by utilizing pre-built functionalities.

Additionally, API knowledge plays a pivotal role in modern software development, enabling the creation of modular, scalable, and more secure applications.

Learning API courses also opens doors to numerous career opportunities in software development, system integration, and technology consulting, making it a valuable asset in the realm of technology and programming.


Here are 100 assorted API Courses about learning API Courses from Udemy with specialized discount pricing.

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Question: What does API stand for?

A) Application Program Interface
B) Advanced Program Integration
C) Application Programming Interface
D) Advanced Programming Interface
Answer: C) Application Programming Interface
Question: Which type of API allows two software applications to communicate and share data?

A) User Interface (UI) API
B) Application Interface (AI) API
C) Web Services API
D) Data Interface (DI) API
Answer: C) Web Services API
Question: Which protocol is commonly used for web-based APIs?

A) FTP (File Transfer Protocol)
B) SMTP (Simple Mail Transfer Protocol)
C) HTTP (Hypertext Transfer Protocol)
D) TCP (Transmission Control Protocol)
Answer: C) HTTP (Hypertext Transfer Protocol)
Question: What is the primary purpose of RESTful APIs?

A) To restrict access to data
B) To provide a standardized architecture for web services
C) To secure communication between servers
D) To enable real-time data processing
Answer: B) To provide a standardized architecture for web services
Question: Which HTTP method is used to retrieve data from a server in an API request?

A) PUT
B) POST
C) GET
D) DELETE
Answer: C) GET
Question: What does CRUD stand for in the context of API operations?

A) Create, Read, Update, Delete
B) Code, Render, Update, Deploy
C) Copy, Rename, Update, Discard
D) Compile, Read, Utilize, Debug
Answer: A) Create, Read, Update, Delete
Question: Which format is commonly used for data exchange in RESTful APIs?

A) XML (eXtensible Markup Language)
B) JSON (JavaScript Object Notation)
C) YAML (YAML Ain’t Markup Language)
D) All of the above
Answer: D) All of the above
Question: Which HTTP status code indicates a successful response in an API request?

A) 200 OK
B) 401 Unauthorized
C) 500 Internal Server Error
D) 404 Not Found
Answer: A) 200 OK
Question: Which authentication method commonly secures API endpoints using a token-based approach?

A) OAuth
B) Basic Authentication
C) JWT (JSON Web Token)
D) Digest Authentication
Answer: C) JWT (JSON Web Token)
Question: Which tool is commonly used for API documentation?

A) Swagger
B) Git
C) Postman
D) Visual Studio Code
Answer: A) Swagger
Question: Which HTTP method is used to create new data in an API request?

A) POST
B) PUT
C) GET
D) DELETE
Answer: A) POST
Question: What does SOAP stand for in the context of web services?

A) Simple Object Access Protocol
B) Service-Oriented Architecture Protocol
C) Secure Object Access Protocol
D) Standard Open API Protocol
Answer: A) Simple Object Access Protocol
Question: Which type of API doesn’t require server calls and executes within the browser?

A) Internal API
B) External API
C) Client-side API
D) Server-side API
Answer: C) Client-side API
Question: Which API method is used to retrieve specific parts of a resource rather than the entire resource?

A) Partial GET
B) Range GET
C) Chunked GET
D) Segmented GET
Answer: A) Partial GET
Question: Which HTTP status code indicates that the requested resource has been permanently deleted?

A) 204 No Content
B) 404 Not Found
C) 301 Moved Permanently
D) 410 Gone
Answer: D) 410 Gone
Question: Which protocol is used for securing APIs with HTTPS?

A) HTTP
B) TCP
C) SSL/TLS
D) UDP
Answer: C) SSL/TLS
Question: Which API architecture style emphasizes creating APIs based on real-world entities and their relationships?

A) GraphQL
B) REST
C) SOAP
D) RPC
Answer: A) GraphQL
Question: Which HTTP header is commonly used for API rate limiting?

A) X-RateLimit-Limit
B) X-Request-Limit
C) Rate-Limit
D) Limit-Control
Answer: A) X-RateLimit-Limit
Question: Which tool is used for testing API requests and responses?

A) GitHub
B) Docker
C) Postman
D) Jenkins
Answer: C) Postman
Question: What is the primary function of an API gateway?

A) Secure access to APIs
B) Perform API load balancing
C) Manage API authentication and authorization
D) All of the above
Answer: D) All of the above