How to Test JSON Properties in Postman
Blog post from Postman
JSON (JavaScript Object Notation) is a widely used text-based data format for exchanging data between systems, particularly popular due to the rise of REST APIs. While XML was once prevalent, JSON has become favored for its human-readable structure and compatibility with various programming languages, supported by pre-built libraries. JSON utilizes arrays and objects to structure data, accommodating basic data types like strings, numbers, and booleans, which makes it highly adaptable for representing both simple and complex datasets. The blog post elaborates on JSON's architecture and structure, providing examples of JSON datasets ranging from basic key/value pairs to intricate combinations of nested arrays and objects. It also emphasizes the use of JSON in API testing, particularly with Postman, where JSON properties are accessed and tested using code snippets. The discussion includes methods for retrieving properties from arrays of objects and utilizing JavaScript functions to search and manipulate data, underscoring JSON's role in automated testing and validation workflows.
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