June 2024
Beginner to intermediate
358 pages
9h 1m
English
Content preview from API Testing and Development with Postman - Second Edition
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3
OpenAPI and API Specifications
The history of computing has been a long path toward higher and higher levels of abstraction. In the early days of the computer era, computers were programmed with punch cards and assembly languages. The invention of FORTRAN in the 1950s created a programming language that allowed programmers to write code using commands that more closely resembled human language. Over the years, object-oriented languages such as C++ came along and added additional levels of abstraction. In a sense, APIs are another level of abstraction. They allow people to write “code” at a very high level that will tell computers what to do. However, we didn’t stop there. As APIs became more popular, we started to develop interfaces that would ...
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