> For the complete documentation index, see [llms.txt](https://greymatter.gitbook.io/grey-matter-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services.md).

# Platform Services

- [Data](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data.md)
- [API Overview](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/api.md)
- [Endpoints](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/endpoints.md)
- [CLI](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/cli.md)
- [Client Tutorial](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/client-tutorial.md)
- [Internals](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals.md)
- [URL Patterns](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/url-patterns.md)
- [Lifecycle](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/lifecycle.md)
- [Design](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/design.md)
- [Derived Files](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/derived.md)
- [Structure](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/structure.md)
- [Authentication and Authorization](https://greymatter.gitbook.io/grey-matter-documentation/usage/platform-services/data/internals/auth.md)