> For the complete documentation index, see [llms.txt](https://dev.guardian.hedera.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.guardian.hedera.com/guardian/users/bottom-up-data-traceability/related-apis.md).

# Related APIs

Endpoints for creating and managing policy statistics definitions and assessments. Statistics definitions specify rules for evaluating documents; assessments apply those rules to produce verifiable results.

**Authentication:** Bearer token required (`Authorization: Bearer <token>`)

***

| Method   | Endpoint                                                                            | Description                                          | Auth Required |
| -------- | ----------------------------------------------------------------------------------- | ---------------------------------------------------- | ------------- |
| `GET`    | `/api/v1/policy-statistics`                                                         | Returns all statistics definitions                   | Yes           |
| `POST`   | `/api/v1/policy-statistics`                                                         | Creates a new statistics definition                  | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}`                                          | Returns a statistics definition by ID                | Yes           |
| `PUT`    | `/api/v1/policy-statistics/{definitionId}`                                          | Updates a statistics definition                      | Yes           |
| `DELETE` | `/api/v1/policy-statistics/{definitionId}`                                          | Deletes a statistics definition                      | Yes           |
| `POST`   | `/api/v1/policy-statistics/{definitionId}/publish`                                  | Publishes a statistics definition                    | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}/relationships`                            | Returns linked schemas and policies                  | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}/documents`                                | Returns documents conforming to the definition rules | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}/assessments`                              | Returns all assessments for a definition             | Yes           |
| `POST`   | `/api/v1/policy-statistics/{definitionId}/assessments`                              | Creates a new assessment                             | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}/assessments/{assessmentId}`               | Returns an assessment by ID                          | Yes           |
| `GET`    | `/api/v1/policy-statistics/{definitionId}/assessments/{assessmentId}/relationships` | Returns all VC documents related to an assessment    | Yes           |

## Endpoints

* [Get the List of Statistics Definitions](/guardian/users/bottom-up-data-traceability/related-apis/get-the-list-of-statistics-definitions.md)
* [Create New Statistics Definition](/guardian/users/bottom-up-data-traceability/related-apis/create-new-statistics-definition.md)
* [Retrieve Details of the Statistics Definition by ID](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-details-of-the-statistics-definition-by-id.md)
* [Update Configuration of the Statistics Definition by ID](/guardian/users/bottom-up-data-traceability/related-apis/update-configuration-of-the-statistics-definition-by-id.md)
* [Delete the Statistics Definition by ID](/guardian/users/bottom-up-data-traceability/related-apis/delete-the-statistics-definition-by-id.md)
* [Publish Statistics Definition by ID](/guardian/users/bottom-up-data-traceability/related-apis/publish-statistics-definition-by-id.md)
* [Retrieve the List of Linked Schemas and Policy](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-the-list-of-linked-schemas-and-policy.md)
* [Retrieve the List of All Documents Conforming the Rules](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-the-list-of-all-documents-conforming-the-rules-of-the-statistics-definition..md)
* [Retrieve the List of Existing Statistics Assessments](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-the-list-of-existing-statistics-assessment.md)
* [Create a New Statistics Assessment](/guardian/users/bottom-up-data-traceability/related-apis/create-a-new-statistics-assessment-based-on-the-statistics-definition.md)
* [Retrieve the Statistics Assessment by ID](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-the-statistics-assessment-by-id.md)
* [Retrieve All VC Documents Related to the Statistics Assessment](/guardian/users/bottom-up-data-traceability/related-apis/retrieve-all-vc-documents-related-to-the-statistics-assessment.md)