ApplicationText-based

`application/jwt`

JSON Web Token

Reference for application/jwt, the MIME type for JSON Web Tokens used for authentication and authorization in web APIs.

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HTTP Content-Type Header

HTTP Header

Content-Type: application/jwt; charset=utf-8

Quick Facts

MIME Type	application/jwt
Category	Application
Type	Text-based (human-readable)

Common Usage

JWTs are compact, URL-safe tokens for transmitting claims between parties. They are the standard for API authentication, OAuth 2.0 access tokens, OpenID Connect ID tokens, and stateless session management.

JWTs consist of a header, payload, and signature encoded in Base64URL.

Code Examples

HTML

<!-- Set MIME type in meta or fetch headers -->
<meta http-equiv="Content-Type" content="application/jwt">

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('application/jwt');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'application/jwt' });

nginx

# nginx.conf — add to types block or use default
types {
    application/jwt  jwt;
}

# Or set for a specific location
location /api/ {
    default_type application/jwt;
}