> ## Documentation Index
> Fetch the complete documentation index at: https://docs.domino.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# List property groups

> Return the distinct group names across active properties



## OpenAPI

````yaml /api-specs/cloud/taxonomy-api.json get /property-groups
openapi: 3.0.3
info:
  description: >-
    Microservice responsible for managing the Domino Taxonomy and Properties
    features
  title: Domino Taxonomy Microservice API
  termsOfService: http://swagger.io/terms/
  contact:
    name: Domino Data Lab
    url: https://tickets.dominodatalab.com/hc/en-us
    email: support@dominodatalab.com
  license:
    name: Apache 2.0
    url: http://www.apache.org/licenses/LICENSE-2.0.html
  version: '1.0'
servers:
  - url: https://mycluster.domino.tech/api/taxonomy/v1
    description: >-
      Replace 'mycluster.domino.tech' with your Domino cluster hostname. For
      Domino Cloud customers, that is `your-subdomain`.domino.tech (e.g.,
      acme.domino.tech). For self-hosted deployments, it is the hostname you
      reach the Domino UI at.
security: []
tags:
  - description: Manage taxonomy namespaces.
    name: Tagging - Namespaces
  - description: Manage tags within namespaces.
    name: Tagging - Tags
  - description: Assign, remove, and list tag assignments on entities.
    name: Tagging - Entity Tags
  - description: Look up entities by tag.
    name: Tagging - Entities
  - description: Fetch the full namespace + tag hierarchy.
    name: Tagging - Taxonomy Tree
  - description: Validate and import taxonomy data from a file.
    name: Tagging - Import
  - description: Export the current taxonomy to a file.
    name: Tagging - Export
  - description: Internal-only endpoints for service-account callers.
    name: Tagging - Internal
  - description: Manage property definitions and their groups.
    name: Properties - Definitions
  - description: Read and update an entity's property values.
    name: Properties - Values
  - description: Internal-only endpoints for service-account callers (properties).
    name: Properties - Internal
externalDocs:
  description: OpenAPI
  url: https://swagger.io/resources/open-api/
paths:
  /property-groups:
    get:
      tags:
        - Properties - Definitions
      summary: List property groups
      description: Return the distinct group names across active properties
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/taxonomy.GroupsResponse'
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/server.HTTPError'
components:
  schemas:
    taxonomy.GroupsResponse:
      type: object
      properties:
        groups:
          type: array
          items:
            type: string
    server.HTTPError:
      type: object
      properties:
        message:
          type: string

````

## Related topics

- [Properties](/cloud/platform-capabilities/core-concepts/knowledge-management/properties.md)
- [List properties](/api-reference/properties--definitions/list-properties.md)
- [Update a property](/api-reference/properties--definitions/update-a-property.md)
- [Get property values for an entity](/api-reference/properties--values/get-property-values-for-an-entity.md)