> ## Documentation Index > Fetch the complete documentation index at: https://docs.kodelabs.com/llms.txt > Use this file to discover all available pages before exploring further. # Create a virtual device > Creates an empty virtual device in a building. A virtual device groups points that come from other devices. Only `name` is required. The server generates the `id`, sets the device as virtual, and starts it with no points. A body `_id`, `building`, `originType` or `pointIds` is ignored. Sending the same `name` again creates a second device. The response has these members: `id`, `name`, `type` (`id` and `name`), `locatedIn` (`id` and `name`), `area` (`id` and `name`), `location`, `pointsCount`, `createdAt` and `updatedAt`. `type`, `locatedIn`, `area` and `location` are empty when you did not send them. `area` is the level of the space in `locatedInSpaceId`. * `name` is trimmed and can be up to 255 characters. * `typeId` is the device type. Take it from `type._id` of an existing device. Up to 128 characters. * `locatedInSpaceId` is the `id` of a space in this building. Up to 128 characters. Add points to the device with [Copy points to devices](https://docs.kodelabs.com/products/kode-api/api-reference/points/copy-points-to-devices.md) or [Attach points to a virtual device](https://docs.kodelabs.com/products/kode-api/api-reference/virtual-devices/attach-points-to-a-virtual-device.md). ## OpenAPI ````yaml /openapi/kode-api.yaml post /api/v1/buildings/{buildingId}/virtual-devices openapi: 3.1.0 info: title: KODE API version: 1.0.0 summary: Programmatic access to KODE OS resources and operations. description: > Use the KODE API to work with buildings, data sources, connectors, devices, points, virtual devices, timeseries data, schedules, the ontology, templating, mass writes, spaces, space assignments, tenants, meters, users, actions, and AssetOps work orders. license: name: Proprietary identifier: LicenseRef-Proprietary servers: - url: https://api.kodelabs.com/kodeos description: KODE API security: - bearerAuth: [] tags: - name: Authentication description: OAuth 2.0 discovery, token, and revocation endpoints. - name: Buildings description: Buildings and their areas. - name: Data sources description: Data sources connected to a building. - name: Devices description: Devices and their points. - name: Points description: Point queries and point writes. - name: Timeseries description: Current and historical point values. - name: Actions description: Actions exposed by building data sources. - name: Work orders description: AssetOps work orders, lookups, comments, and attachments. - name: Connectors description: KODE API connectors and the devices and points ingested through them. - name: Schedules description: Schedules discovered on building data sources. - name: Templating description: Apply ontology templates to groups of points. - name: Virtual devices description: Virtual devices that group points from other devices. - name: Ontology description: Canonical types, fields, units, and connections of the KODE ontology. - name: Users description: Users of the organization and their app access. - name: Mass write description: Write values to many points across buildings, and follow each run. - name: Spaces description: Levels and space units of a building, and the meters located in them. - name: Space assignments description: Assign tenants to leasable spaces of a building for a period. - name: Tenants description: Tenants of a building, the people or companies that lease its spaces. - name: Meters description: >- Meters of a building, their space assignments, parent and child links, and readings. paths: /api/v1/buildings/{buildingId}/virtual-devices: post: tags: - Virtual devices summary: Create a virtual device description: >- Creates an empty virtual device in a building. A virtual device groups points that come from other devices. operationId: createVirtualDevice parameters: - $ref: '#/components/parameters/BuildingId' requestBody: content: application/json: schema: $ref: '#/components/schemas/CreateVirtualDeviceRequest' required: true responses: '201': description: The created virtual device. content: {} '400': description: >- The body is not valid. For example `name` is missing, blank, longer than 255 characters or has control characters, a value has the wrong type, or the JSON cannot be read. '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '404': description: >- The `typeId` or the `locatedInSpaceId` does not exist, or the space belongs to another building. '429': $ref: '#/components/responses/TooManyRequests' components: parameters: BuildingId: name: buildingId in: path required: true description: Building identifier from List buildings. schema: type: string example: 67c960faffaa42223163099e schemas: CreateVirtualDeviceRequest: type: object required: - name properties: name: type: string maxLength: 255 minLength: 1 pattern: (?s)(?=.*[^\p{C}\p{Z}])[\P{Cc}\n\r\t]* typeId: type: string pattern: '[^\p{C}\p{Z}]{1,128}' maxLength: 128 locatedInSpaceId: type: string pattern: '[^\p{C}\p{Z}]{1,128}' maxLength: 128 location: type: string maxLength: 255 pattern: (?s)(?=.*[^\p{C}\p{Z}])[\P{Cc}\n\r\t]* responses: Unauthorized: description: The access token is missing, invalid, or expired. Request a new token. Forbidden: description: The service account lacks permission for this building or operation. TooManyRequests: description: >- A rate-limit window is exhausted. Wait, then retry with increasing delays. securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT description: > Paste an access token from [Create an access token](/products/kode-api/api-reference/authentication/create-an-access-token). Tokens expire, so request a new one if you receive `401`. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.