> 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/guided-search-of-methodologies/search-apis.md).

# Search APIs

Endpoints for discovering and filtering Guardian policies and methodologies by category and properties.

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

***

| Method | Endpoint                             | Description                                                  | Auth Required |
| ------ | ------------------------------------ | ------------------------------------------------------------ | ------------- |
| `GET`  | `/api/v1/policies/categories`        | Returns a list of all policy categories                      | Yes           |
| `POST` | `/api/v1/policies/filtered-policies` | Returns policies best suited for specified filter parameters | Yes           |

## Endpoints

* [Retrieves List of All Categories](/guardian/users/guided-search-of-methodologies/search-apis/retrieves-list-of-all-categories.md)
* [List of Policies Best Suited for Given Parameters](/guardian/users/guided-search-of-methodologies/search-apis/list-of-policies-that-are-best-suited-for-given-parameters.md)