Data & configuration
YAML
YAML (YAML Ain't Markup Language) is a human-readable data serialization language. It is commonly used for configuration files and in applications where data is being stored or transmitted. YAML aims to be both easy to read and write.
- Created by
- Clark Evans , Ingy döt Net , Oren Ben-Kiki
- First appeared
- 2001
- Official resource
- Visit the main website
Your first program
Hello, World!
# A simple message in YAML
message: Hello, World!Keep learning
Where to go from here
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Official resource
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Teach me the basics of YAML. Use https://code.study/yaml as the starting point. Explain what YAML is best suited for, when I should not choose it, how to install or try it, and then walk me through its Hello World example step by step.
Content reviewed August 2026 · Start with primary sources and verify version-specific details.