> For the complete documentation index, see [llms.txt](https://docs.genomenexus.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.genomenexus.org/annotate-variant.md).

# Annotate a variant 📄

You can annotate a variant on Genome Nexus website or through API. The Genome Nexus website's variant page uses the HGVS format to describe variants. The Genome Nexus API supports multiple input formats.

Please see [doc](https://github.com/genome-nexus/genome-nexus?tab=readme-ov-file#examples) for more examples.