# Lucid Developer Documentation Documentation

> Lucid provides powerful APIs that enable developers to add visual collaboration to their product or workflow.

Append .md to any documentation page URL to get its markdown version.

Each section below links to its own llms.txt, which indexes every page in that section. Category links narrow to a single category.

## Documentation

- [Documentation index](https://lucid.readme.io/docs/llms.txt): full section index
- [Guides](https://lucid.readme.io/docs/guides/llms.txt)
- [Extension API](https://lucid.readme.io/docs/extension-api/llms.txt)
- [Custom Shapes](https://lucid.readme.io/docs/custom-shapes/llms.txt)
- [Formulas](https://lucid.readme.io/docs/formulas/llms.txt)
- [Standard Import](https://lucid.readme.io/docs/standard-import/llms.txt)
- [Partner Resources](https://lucid.readme.io/docs/partner-resources/llms.txt)

## API Reference

- [API Reference index](https://lucid.readme.io/reference/llms.txt): full section index
- [Lucid Rest API](https://lucid.readme.io/reference/lucid-rest-api/llms.txt)
- [Lucid SCIM API](https://lucid.readme.io/reference/lucid-scim-api/llms.txt)
- [Extension SDK](https://lucid.readme.io/reference/extension-sdk/llms.txt)
- [Lucid Data API](https://lucid.readme.io/reference/lucid-data-api/llms.txt)