Home / MIME Types / application/json

application/json

JSON data

Application

.json

Media Type

application/json

File Extension

.json

HTTP Response Header

Content-Type: application/json

HTML Link Tag

<link rel="stylesheet" type="application/json" href="style.css">

JavaScript Fetch API

fetch('/api/data', {
  headers: {
    'Content-Type': 'application/json'
  }
})

Express.js (Node.js)

res.setHeader('Content-Type', 'application/json');
res.send(data);

Application MIME types are used for structured data and binary files. The Content-Type header helps browsers and APIs process the data correctly.

XML application data

PDF document

ZIP archive