> ## Documentation Index > Fetch the complete documentation index at: https://docs.nscale.com/llms.txt > Use this file to discover all available pages before exploring further. # List placement servers > List placement servers. ## OpenAPI ````yaml /openapi/reservation-openapi.yaml get /api/v2/placements/{placementID}/servers openapi: 3.0.3 info: title: Unikorn Reservation API description: |- Reservation service provides topology-aware bare metal GPU reservation and placement, sitting atop UNI Region service resources. version: 0.5.0 servers: - url: https://reservation.nks.europe-west4.nscale.com description: Production - url: https://reservation.nks-stg.europe-west2.nscale.com description: Staging - url: https://reservation.nks-dev.glo1.nscale.com description: Development security: [] paths: /api/v2/placements/{placementID}/servers: description: |- Lists the public server read models for the hosts allocated by a Placement. Placement servers expose Reservation-owned identities and runtime Region server state without exposing backing infrastructure IDs. parameters: - $ref: '#/components/parameters/placementIDParameter' get: tags: - Placement Servers summary: List placement servers description: List placement servers. operationId: listPlacementServers responses: '200': $ref: '#/components/responses/placementServersV2Response' '400': $ref: '#/components/responses/badRequestResponse' '401': $ref: '#/components/responses/unauthorizedResponse' '403': $ref: '#/components/responses/forbiddenResponse' '404': $ref: '#/components/responses/notFoundResponse' '500': $ref: '#/components/responses/internalServerErrorResponse' security: - oauth2Authentication: [] components: parameters: placementIDParameter: name: placementID in: path description: The placement ID. required: true schema: $ref: '#/components/schemas/kubernetesNameParameter' responses: placementServersV2Response: description: A list of placement servers. content: application/json: schema: $ref: '#/components/schemas/placementServersV2Read' example: - metadata: id: psrv-7f3d9d5d2a7c4e32 name: training-workers-0 organizationId: 9a8c6370-4065-4d4a-9da0-7678df40cd9d projectId: e36c058a-8eba-4f5b-91f4-f6ffb983795c creationTime: '2026-04-28T11:04:00Z' createdBy: john.doe@example.com provisioningStatus: provisioned healthStatus: healthy status: regionId: c7568e2d-f9ab-453d-9a3a-51375f78426b reservationId: a64f9269-36e0-4312-b8d1-52d93d569b7b placementId: b8ce034e-fccb-4d6c-a0e0-af3e3f346715 networkId: 61f0ad85-3001-41cb-824a-e6a047668dfe powerState: Running privateIP: 10.0.0.12 publicIP: 203.0.113.12 macAddress: fa:16:3e:7c:11:8a - metadata: id: psrv-950ab3259a1443da name: training-workers-1 organizationId: 9a8c6370-4065-4d4a-9da0-7678df40cd9d projectId: e36c058a-8eba-4f5b-91f4-f6ffb983795c creationTime: '2026-04-28T11:04:02Z' createdBy: john.doe@example.com provisioningStatus: provisioned healthStatus: healthy status: regionId: c7568e2d-f9ab-453d-9a3a-51375f78426b reservationId: a64f9269-36e0-4312-b8d1-52d93d569b7b placementId: b8ce034e-fccb-4d6c-a0e0-af3e3f346715 networkId: 61f0ad85-3001-41cb-824a-e6a047668dfe powerState: Running privateIP: 10.0.0.13 macAddress: fa:16:3e:11:70:2f badRequestResponse: description: |- Request body failed schema validation, or the request does not contain all the required fields. content: application/json: schema: $ref: '#/components/schemas/error' example: error: invalid_request error_description: request body invalid trace_id: 57bc14d9bd461f0b5a72db830149b67a unauthorizedResponse: description: Authentication failed or the access token has expired. content: application/json: schema: $ref: '#/components/schemas/error' example: error: access_denied error_description: authentication failed trace_id: 57bc14d9bd461f0b5a72db830149b67a forbiddenResponse: description: >- Request was denied by authorization, this may be caused by the authorization token not having the required scope for an API, or the user doesn't have the necessary privileges on the provider platform. content: application/json: schema: $ref: '#/components/schemas/error' example: error: forbidden error_description: user credentials do not have the required privileges trace_id: 57bc14d9bd461f0b5a72db830149b67a notFoundResponse: description: Unable to find a resource. content: application/json: schema: $ref: '#/components/schemas/error' example: error: not_found error_description: the requested resource does not exist trace_id: 57bc14d9bd461f0b5a72db830149b67a internalServerErrorResponse: description: >- An unexpected or unhandled error occurred. This may be a transient error and may succeed on a retry. If this isn't the case, please report it as an issue. content: application/json: schema: $ref: '#/components/schemas/error' example: error: server_error error_description: failed to token claim trace_id: 57bc14d9bd461f0b5a72db830149b67a schemas: kubernetesNameParameter: description: >- A Kubernetes name. Must be a valid DNS label containing only lower case characters, numbers or hyphens, start and end with a character or number, and be at most 63 characters in length. type: string minLength: 1 maxLength: 63 placementServersV2Read: description: A list of placement servers. type: array items: $ref: '#/components/schemas/placementServerV2Read' error: description: Generic error message, compatible with oauth2. type: object required: - error - error_description properties: error: description: >- A terse error string expanding on the HTTP error code. Errors are based on the OAuth 2.02 specification, but are expanded with proprietary status codes for APIs other than those specified by OAuth 2.02. type: string enum: - invalid_request - server_error - access_denied - not_found - conflict - method_not_allowed - unsupported_media_type - request_entity_too_large - unprocessable_content - forbidden error_description: description: Verbose message describing the error. type: string trace_id: description: Unique trace identifier for the request. type: string placementServerV2Read: description: A placement server. type: object required: - metadata - status properties: metadata: $ref: '#/components/schemas/projectScopedResourceReadMetadata' status: $ref: '#/components/schemas/placementServerV2Status' projectScopedResourceReadMetadata: description: Metadata required by project scoped resource reads. allOf: - $ref: '#/components/schemas/organizationScopedResourceReadMetadata' - type: object required: - projectId properties: projectId: description: The project identifier the resource belongs to. type: string placementServerV2Status: description: Read only runtime status information about a placement server. type: object required: - regionId - reservationId - placementId - networkId properties: regionId: description: The region the placement server belongs to. type: string reservationId: description: The reservation the placement server allocates from. type: string placementId: description: The placement that owns this server. type: string networkId: description: The network the placement server belongs to. type: string powerState: $ref: '#/components/schemas/instanceLifecyclePhase' privateIP: description: The private IP address of the server. type: string publicIP: description: The public IP address of the server. type: string macAddress: description: The MAC address of the server. type: string organizationScopedResourceReadMetadata: description: Metadata required by organization scoped resource reads. allOf: - $ref: '#/components/schemas/resourceReadMetadata' - type: object required: - organizationId properties: organizationId: description: The organization identifier the resource belongs to. type: string instanceLifecyclePhase: description: | The lifecycle phase of an instance. Once provisioning_status reaches provisioned, this becomes the live readiness signal: API consumers should treat Running (not provisioned) as the "ready to use" state. Queued and Building are observed during create — Queued for baremetal servers waiting on hardware, Building for servers the provider is actively bringing up. type: string enum: - Pending - Queued - Building - Running - Stopping - Stopped resourceReadMetadata: description: Metadata required by all resource reads. allOf: - $ref: '#/components/schemas/staticResourceMetadata' - type: object required: - provisioningStatus - healthStatus properties: deletionTime: description: The time the resource was deleted. type: string format: date-time provisioningStatus: $ref: '#/components/schemas/resourceProvisioningStatus' healthStatus: $ref: '#/components/schemas/resourceHealthStatus' staticResourceMetadata: description: | This metadata is for resources that just exist, and don't require any provisioning and health status, but benefit from a standardized metadata format. type: object allOf: - $ref: '#/components/schemas/resourceMetadata' - type: object required: - id - creationTime properties: id: description: The unique resource ID. type: string creationTime: description: The time the resource was created. type: string format: date-time createdBy: description: The user who created the resource. type: string modifiedTime: description: The time a resource was updated. type: string format: date-time modifiedBy: description: The user who updated the resource. type: string resourceProvisioningStatus: description: The provisioning state of a resource. type: string enum: - unknown - pending - provisioning - provisioned - deprovisioning - error resourceHealthStatus: description: The health state of a resource. type: string enum: - unknown - healthy - degraded - error resourceMetadata: description: Metadata required for all API resource reads and writes. required: - name properties: name: $ref: '#/components/schemas/kubernetesLabelValue' description: description: >- The resource description, this optionally augments the name with more context. type: string tags: $ref: '#/components/schemas/tagList' kubernetesLabelValue: description: >- A valid Kubernetes label value, typically used for resource names that can be indexed in the database. type: string pattern: ^[0-9A-Za-z](?:[0-9A-Za-z-_.]{0,61}[0-9A-Za-z])?$ tagList: description: A list of tags. type: array items: $ref: '#/components/schemas/tag' tag: description: >- A tag mapping arbitrary names to values. These have no special meaning for any component are are intended for use by end users to add additional context to a resource, for example to categorize it. type: object required: - name - value properties: name: description: A unique tag name. type: string value: description: The value of the tag. type: string securitySchemes: oauth2Authentication: type: oauth2 flows: authorizationCode: authorizationUrl: /oauth2/v2/authorization tokenUrl: /oauth2/v2/token scopes: {} ````