> ## 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.

# Delete a namespace

> Delete a namespace and all its tags (fails if tags have entity assignments)



## OpenAPI

````yaml /api-specs/cloud/taxonomy-api.json delete /namespaces/{namespaceId}
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:
  /namespaces/{namespaceId}:
    delete:
      tags:
        - Tagging - Namespaces
      summary: Delete a namespace
      description: >-
        Delete a namespace and all its tags (fails if tags have entity
        assignments)
      parameters:
        - description: Namespace UUID
          name: namespaceId
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: No Content
        '400':
          description: Bad Request
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
        '401':
          description: Unauthorized
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
        '403':
          description: Forbidden
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
        '404':
          description: Not Found
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
        '409':
          description: Conflict
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
        '500':
          description: Internal Server Error
          content:
            '*/*':
              schema:
                $ref: '#/components/schemas/server.HTTPError'
components:
  schemas:
    server.HTTPError:
      type: object
      properties:
        message:
          type: string

````

## Related topics

- [Bulk delete namespaces](/api-reference/tagging--namespaces/bulk-delete-namespaces.md)
- [Apply custom certificates](/cloud/admin/security-and-compliance/custom-certificates/apply-custom-certs.md)
- [Data Planes administration](/cloud/admin/platform-configuration/manage-data-planes.md)
- [Use data plane agent monitoring dashboards](/cloud/admin/operations/grafana-workload-monitoring/data-plane-agent-monitoring.md)