TextText-based

`text/yaml`

YAML

Reference for text/yaml, the standard text MIME type for YAML data serialization and configuration files.

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Expected extensions: .yaml, .yml

HTTP Content-Type Header

HTTP Header

Content-Type: text/yaml; charset=utf-8

Associated File Extensions

.yaml.yml

Quick Facts

MIME Type	text/yaml
Category	Text
Type	Text-based (human-readable)
Extensions	.yaml, .yml

Common Usage

YAML (YAML Ain't Markup Language) is a human-friendly data serialization format. It is the standard for Kubernetes manifests, Docker Compose, GitHub Actions, GitLab CI, Ansible playbooks, and countless configuration files across the DevOps ecosystem.

Code Examples

HTML

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

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

Node.js

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

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

nginx

# nginx.conf — add to types block or use default
types {
    text/yaml  yaml yml;
}

# Or set for a specific location
location /api/ {
    default_type text/yaml;
}