# Common — Altium 365 API
> Shared scalars, paging, errors, filtering and sorting types, and directives used across all bounded contexts.

Schema slice: [schema.graphql](https://altiumdeveloper.github.io/platform-api-docs/reference/common/schema.graphql) (~1629 tokens). Overview: [overview](https://altiumdeveloper.github.io/platform-api-docs/reference/common/overview.md).

## Optional
- [All types in Common](https://altiumdeveloper.github.io/platform-api-docs/reference/common/types.txt): one line per type (~1520 tokens)