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432 api developer interview questions shared by candidates

What I can got to know that the Interviewer doesn't have much more idea about api's and data structures as He always tried to make me wrong. But he was doing Google while asking questions. He doesn't seem tk have knowledgeable. He asked some api related questions, some database questions and some data structure questions.
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API Developer

Interviewed at Innoplexus

4★
Aug 12, 2019

What I can got to know that the Interviewer doesn't have much more idea about api's and data structures as He always tried to make me wrong. But he was doing Google while asking questions. He doesn't seem tk have knowledgeable. He asked some api related questions, some database questions and some data structure questions.

First Round 1) Difference between array combine and array merge 2) Preg_replace 3) PEAR in php 4) REST VS AJAX 5) REST VS SOAP 6) Second highest salary 7) sort a array with predefined function 8) Create a class and call add and subtract function 9) Mime type 10) Markup language used in rest web API 11) why this error occur header already sent. 12) difference between put and post 13) HTTP method supported by REST 14) Mysam VS Inno Db 15) INNER JOIN VS LEFT JOIN 16) TRAITS 17) FINAL CLASS 18) MAGIC METHOD 19) complex mysql query 20) PUT VS POST 2nd Round 1) how to implement Security in app 2) MYSQL DB question what is layers in mysql , myisam VS innodb , master slave, optomise datbase , datalayers 3) Server commands TOP , one , c
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Senior Software Engineer (API PHP)

Interviewed at Wydr

3.8★
Apr 5, 2017

First Round 1) Difference between array combine and array merge 2) Preg_replace 3) PEAR in php 4) REST VS AJAX 5) REST VS SOAP 6) Second highest salary 7) sort a array with predefined function 8) Create a class and call add and subtract function 9) Mime type 10) Markup language used in rest web API 11) why this error occur header already sent. 12) difference between put and post 13) HTTP method supported by REST 14) Mysam VS Inno Db 15) INNER JOIN VS LEFT JOIN 16) TRAITS 17) FINAL CLASS 18) MAGIC METHOD 19) complex mysql query 20) PUT VS POST 2nd Round 1) how to implement Security in app 2) MYSQL DB question what is layers in mysql , myisam VS innodb , master slave, optomise datbase , datalayers 3) Server commands TOP , one , c

What was your product? Why did people buy it? What do you think about before creating an API? How will you go about designing an API documentation? How will you market the APIs? How did you expose API? Leaves a lot of time in the end for questions : These questions are a big factor to gauge your interest in the company
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API Product Manager

Interviewed at The Herald

2.4★
Aug 22, 2023

What was your product? Why did people buy it? What do you think about before creating an API? How will you go about designing an API documentation? How will you market the APIs? How did you expose API? Leaves a lot of time in the end for questions : These questions are a big factor to gauge your interest in the company

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