# Reference
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Language and feature reference documentation for succinctly.
## Query Languages
| [jq Language](jq-language.md) | jq query language features for JSON |
| [yq Language](yq-language.md) | yq query language features for YAML |
## See Also
- [CLI Guide](../guides/cli.md) - Command-line tool reference
- [API Guide](../guides/api.md) - Rust library API reference