{"id":2039,"date":"2026-04-02T18:04:35","date_gmt":"2026-04-02T16:04:35","guid":{"rendered":"https:\/\/dynamictools.io\/?post_type=glossar&#038;p=2039"},"modified":"2026-04-02T18:04:36","modified_gmt":"2026-04-02T16:04:36","slug":"json","status":"publish","type":"glossar","link":"https:\/\/dynamictools.io\/en\/glossar\/json\/","title":{"rendered":"JSON"},"content":{"rendered":"<p><strong>JSON<\/strong> (JavaScript Object Notation) is a lightweight, text-based, human-readable data interchange format designed to simplify the transfer and storage of structured data. It has become the standard in modern APIs, often replacing <a href=\"\/en\/glossary\/xml\/\" title=\"XML\">XML<\/a> ab.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Definition<\/h2>\n\n\n\n<p>As an abbreviation for JavaScript Object Notation defined <strong>JSON<\/strong> a platform-independent format for representing data objects consisting of attribute-value pairs. It is completely language-independent but is based on the syntax of JavaScript and can be easily generated and parsed by computers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Structure and Data Types<\/h2>\n\n\n\n<p>The structure of <strong>JSON<\/strong> based on two fundamental types: a collection of name\/value pairs (commonly referred to as an object, record, struct, hash table, or associative array) and an ordered list of values (array, vector, list, or sequence). It supports several fundamental data types.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Objects: An unordered collection of name\/value pairs, enclosed in curly braces `{}`.<\/li>\n\n\n\n<li>Arrays: An ordered collection of values, enclosed in square brackets `[]`.<\/li>\n\n\n\n<li>Values: Can be strings, numbers, booleans (`true`, `false`), `null`, objects, or arrays.<\/li>\n\n\n\n<li>Strings: Sequences of Unicode characters enclosed in double quotes.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Application areas<\/h2>\n\n\n\n<p><strong>JSON<\/strong> is primarily used for data exchange between servers and web applications (AJAX), in <a href=\"\/en\/glossary\/rest-api\/\" title=\"REST API\">RESTful APIs<\/a> and is used for configuring applications. Its simple syntax and efficiency have made it the preferred format for transferring structured data on the web.<\/p>","protected":false},"excerpt":{"rendered":"<p>JSON (JavaScript Object Notation) is a lightweight data-interchange format that is increasingly replacing XML in modern APIs, simplifying the transfer of structured data.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"register":[44],"class_list":["post-2039","glossar","type-glossar","status-publish","hentry","register-j"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.5.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"JSON (JavaScript Object Notation) ist ein standardisiertes, leichtgewichtiges Datenaustauschformat f\u00fcr die \u00dcbertragung strukturierter Daten, das oft XML ersetzt.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/dynamictools.io\/en\/glossar\/json\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 4.9.5.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"dynamictools.io \u00bb SaaS f\u00fcr PIM und DAM\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"JSON \u2013 Definition &amp; 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