How do you explain API in interview?

How do you explain API in interview?

API stands for Application Programming Interface that is useful for communication between different software systems. It facilitates data exchange between systems located in different remote places. They are nothing but a collection of functions that are executable by other functions of the software application.

Which protocol is used in API testing?

Below are some of the common protocols used in API testing: HTTP. JSON-RPC. REST.

What are API questions?

Definition & Functions of an API (Common Web API Testing interview questions)

• What are main differences between API and Web Service?
• What are the Limits of API Usage?
• What are some architectural styles for creating a Web API?
• Who can use a Web API?
• What is API Testing?
• What are the advantages of API Testing?

What questions should I ask the API?

8 Questions to Ask When Designing and Developing a Public API

• What is the business value of your API?
• Who is your API audience, and what do they want from your API?
• What are your API’s affordances?
• What will your software schema and data format be?
• Do you need to set use limits on your API?
• Will you use REST or SOAP?

What is REST and SOAP in API?

SOAP stands for Simple Object Access Protocol whereas REST stands for Representational State Transfer. SOAP is a protocol whereas REST is an architectural pattern.

What is endpoint in API?

Simply put, an endpoint is one end of a communication channel. When an API interacts with another system, the touchpoints of this communication are considered endpoints. For APIs, an endpoint can include a URL of a server or service.

What is Uri in rest?

URIs are identifiers of resources that work across the Web. A URI consists of a scheme (such as http and https ), a host (such as www.example.org ), a port number followed by a path with one or more segments (such as /users/1234 ), and a query string.

What are API layers?

A REST or Web services API layer offers a decoupled interface to data and/or functionality of one or more applications. It provides a common, language-agnostic way of interacting with an application.

What are major challenges faced in API testing?

Top 6 Challenges of API Testing

• Initial Setup of API Testing. Manual testing helps confirm whether something works.
• Updating the Schema of API Testing.
• Testing Parameter Combinations.
• Sequencing the API Calls.
• Validating Parameters.
• Tracking System Integration.