ApplicationText-based

`application/graphql`

GraphQL

Reference for application/graphql, the MIME type for GraphQL query documents used in modern API development.

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Expected extensions: .graphql, .gql

HTTP Content-Type Header

HTTP Header

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

Associated File Extensions

.graphql.gql

Quick Facts

MIME Type	application/graphql
Category	Application
Type	Text-based (human-readable)
Extensions	.graphql, .gql

Common Usage

GraphQL queries and schema definitions use this MIME type when sent over HTTP. It is used in API requests to GraphQL endpoints, schema-first development workflows, and code generation tools that process .graphql files to produce typed client SDKs.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.graphql" type="application/graphql">

<!-- Or for script/media elements -->
<script type="application/graphql" src="file.graphql"></script>

Node.js

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

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

nginx

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

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