> ## Documentation Index > Fetch the complete documentation index at: https://docs.lighton.ai/llms.txt > Use this file to discover all available pages before exploring further. # Remove a group from a custom workspace > ⚠️ **ALPHA ENDPOINT** - This endpoint is in alpha and subject to breaking changes. Use with caution in production environments. Remove a group from a custom workspace you own. The authenticated user must be an owner of the workspace and belong to the same company as the workspace. Only CUSTOM workspaces allow group removal. Cannot remove the only remaining owner group from the workspace. ## OpenAPI ````yaml /api-reference/openapi-v3.yaml delete /api/v3/workspaces/{id}/members/groups/{group_id} openapi: 3.1.0 info: title: LightOn API version: 3.15.0 (v3) description: >- LightOn gives you an API to search, parse, and ingest documents at scale. Build knowledge-retrieval pipelines without managing vector databases or OCR models. servers: - url: https://paradigm.lighton.ai security: [] tags: - name: Agents description: Operations about agents - name: Threads description: Operations about agents conversation threads - name: Tools description: Operations about native tools - name: Models description: Operations about AI models - name: MCP description: Operations about MCP servers - name: Sources description: Operations about sources used by agents conversation threads - name: Artifacts description: Operations about artifacts generated by agents conversation threads - name: Agent description: >- Operations about agents (deprecated). Please use the 'Agents' API component instead. - name: Files description: Operations about files - name: Facets description: Operations about facets - name: Tags description: Operations about tags - name: Workspaces description: Operations about workspaces - name: Files Processing description: Operations about files processing - name: Users description: Operations about users - name: API Keys description: Operations about API keys - name: User Groups description: Operations about user groups - name: SCIM description: Operations about SCIM paths: /api/v3/workspaces/{id}/members/groups/{group_id}: delete: tags: - Workspaces summary: Remove a group from a custom workspace description: >- ⚠️ **ALPHA ENDPOINT** - This endpoint is in alpha and subject to breaking changes. Use with caution in production environments. Remove a group from a custom workspace you own. The authenticated user must be an owner of the workspace and belong to the same company as the workspace. Only CUSTOM workspaces allow group removal. Cannot remove the only remaining owner group from the workspace. operationId: api_v3_workspaces_members_groups_destroy parameters: - in: path name: group_id schema: type: integer required: true - in: path name: id schema: type: integer required: true responses: '204': description: Group removed from workspace successfully '401': content: application/json: schema: $ref: '#/components/schemas/APIV3ErrorResponse' examples: Unauthorized: value: id: null code: 401 error: unauthorized detail: >- Authentication credentials were not provided or are invalid. doc_url: https://developers.lighton.ai/errors#unauthorized description: Authentication credentials were not provided or are invalid '403': content: application/json: schema: $ref: '#/components/schemas/APIV3ErrorResponse' examples: Forbidden: value: id: null code: 403 error: insufficient_permissions detail: You do not have permission to perform this action. doc_url: >- https://developers.lighton.ai/errors#insufficient_permissions description: Insufficient permissions '404': content: application/json: schema: $ref: '#/components/schemas/APIV3ErrorResponse' examples: NotFound: value: id: null code: 404 error: not_found detail: The requested resource was not found. doc_url: https://developers.lighton.ai/errors#not_found summary: Not Found description: The requested resource was not found '503': description: >- API is under maintenance. Check `GET /api/v3/system/status` for active periods and retry. content: application/json: schema: $ref: '#/components/schemas/ServiceMaintenance503' security: - bearerAuth: [] components: schemas: APIV3ErrorResponse: type: object properties: id: type: - string - 'null' description: >- Job/resource id when one already exists (useful for async error diagnosis); null otherwise. code: type: integer description: HTTP status code error: type: string description: Error code used by the UI as a translation key detail: type: string description: Human-readable error message for developers doc_url: type: string description: Link to the error-code documentation page required: - code - detail - doc_url - error - id ServiceMaintenance503: type: object description: >- Returned by the maintenance middleware when the requested endpoint is blocked. required: - detail - error - mode properties: detail: type: string example: System is under maintenance. error: type: string example: service_maintenance mode: type: string enum: - full_shutdown - warning_banner description: >- `full_shutdown` blocks all traffic; `warning_banner` also blocks and shows a dismissible toast. reason: type: string description: Operator-supplied maintenance reason, if any. started_at: type: string format: date-time endpoint_category_names: type: array items: type: string description: >- Non-empty only for category-scoped periods. Empty means all endpoints are affected. securitySchemes: bearerAuth: type: http scheme: bearer description: >- Bearer authentication header of the form `Bearer `, where `` is your auth token. ````