How do you explain API in interview?

API (Application Programming Interface) helps in communication and data exchange between two software systems. API act as an interface between two applications and allows the two software systems communicate with one another. API is a collection of functions which can be executed by another software program.

What kind of tests are you looking for when testing API?

API Testing Types

  • Validation Testing. Validation testing occurs among the final steps and plays an essential role in the development process.
  • Functional testing. Includes testing particular functions in the codebase.
  • UI testing.
  • Security testing.
  • Load testing.
  • Runtime and error detection.
  • Penetration testing.
  • Fuzz testing.

What is the best tool for API testing?

Top 15 API Testing Tools on the Market

  • Katalon Studio.
  • Postman.
  • Apigee.
  • JMeter.
  • Rest-assured.
  • Assertible.
  • Soap UI.
  • Karate DSL.

What is API testing tool?

API testing is a type of software testing that analyzes an application program interface (API) to verify it fulfills its expected functionality, security, performance and reliability. The tests are performed either directly on the API or as part of integration testing.

How many types of API testing are there?

The subject of API testing is often used in passing, but the exact API test types are wide and varying. From functional testing, to penetration testing, error detection, fuzz testing, and beyond, there are many ways to validate API performance and security.

What is API testing full form?

Definition: API (Application Programming Interface) testing is a type of software testing that aims to determine whether the APIs that are developed meet expectations when it comes to functionality, performance, reliability and security for an application.

What are API examples?

5 Examples of APIs We Use in Our Everyday Lives

  • Weather Snippets. Google utilizes APIs to display relevant data from user search queries.
  • Log-in Using XYZ. Taken from Buffer’s social login.
  • Pay with PayPal.
  • Twitter Bots.
  • Travel Booking.