Valid Data Types In JSON, values must be one of the following data types: a string a number an object (JSON object) an array a boolean null

Type-specific Keywords The type keyword is fundamental to JSON Schema because it specifies the data type that a schema should expect. At its core, JSON Schema defines the following basic types: …

Jul 11, 2025 · JSON (JavaScript Object Notation) is the most widely used data format for data interchange on the web. JSON is a lightweight text-based, data-interchange format and it is …

JSON (JavaScript Object Notation, pronounced / ˈdʒeɪsən / or / ˈdʒeɪˌsɒn /) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects …

Learn about the different data types supported by JSON including strings, numbers, objects, arrays, booleans, and null.

JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and …

Jan 5, 2026 · Master JSON Schema data types: string, number, integer, boolean, null, object, and array. Learn validation rules, constraints, and testing in Postman.

May 20, 2026 · JSON has exactly 6 data types: string, number, boolean, null, array, and object. Learn syntax rules, IEEE 754 number precision, null vs undefined, type coercion, and TypeScript mapping …

JSON Values In JSON, values must be one of the following data types: a string a number an object an array a boolean null In JavaScript values can be all of the above, plus any other valid JavaScript …

JSON Format Explained A complete, practical guide to the JSON format — what it is, how it's structured, its six data types, objects vs arrays, nesting, formatting rules, and how it compares to XML and YAML.