Cast AI Workspaces API
Provides the API for managing workspaces. A workspace is a sandbox-manager-owned record that maps to one or more remote sessions multiplexed by the sandbox.
Provides the API for managing workspaces. A workspace is a sandbox-manager-owned record that maps to one or more remote sessions multiplexed by the sandbox.
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openapi: 3.2.0
info:
title: AI Enabler Workspaces API
version: 0.0.1
description: 'Provides the API for managing workspaces. A workspace is a sandbox-manager-owned
record that maps to one or more remote sessions multiplexed by the sandbox.'
servers:
- url: https://api.cast.ai/
description: US endpoint
- url: https://api.eu.cast.ai/
description: EU endpoint
security:
- BearerAuth: []
- ApiKeyAuth: []
tags:
- name: WorkspacesAPI
description: 'Provides the API for managing workspaces. A workspace is a sandbox-manager-owned
record that maps to one or more remote sessions multiplexed by the sandbox.'
paths:
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces:
post:
tags:
- WorkspacesAPI
summary: Create a workspace
description: Creates a workspace.
operationId: WorkspacesAPI_CreateWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/Workspace'
required: true
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/Workspace'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
get:
tags:
- WorkspacesAPI
summary: List workspaces
description: Lists workspaces for the organization.
operationId: WorkspacesAPI_ListWorkspaces
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: creatorId
in: query
description: Filter by creator ID.
schema:
type: string
- name: page.limit
in: query
description: Defines the number of items that should be returned
schema:
type: string
- name: page.cursor
in: query
description: "Cursor that defines token indicating where to start the next page.\n Empty value indicates to start from beginning of the dataset."
schema:
type: string
- name: sort.field
in: query
description: The field name to order by. Nested fields can be specified by using a dot (e.g. user.name).
schema:
type: string
- name: sort.order
in: query
description: The order of returned items. Default is ASC.
schema:
enum:
- ASC
- asc
- DESC
- desc
type: string
format: enum
- name: clientType
in: query
description: Filter by client type.
schema:
type: string
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/ListWorkspacesResponse'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces/{id}:
delete:
tags:
- WorkspacesAPI
summary: Delete workspace
description: Deletes a workspace.
operationId: WorkspacesAPI_DeleteWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
responses:
'200':
description: OK
content: {}
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
get:
tags:
- WorkspacesAPI
summary: Get workspace by ID
description: Gets a workspace by ID.
operationId: WorkspacesAPI_GetWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/Workspace'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
put:
tags:
- WorkspacesAPI
summary: Create or update a workspace
description: Creates or updates a workspace.
operationId: WorkspacesAPI_UpsertWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/Workspace'
required: true
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/Workspace'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces/{id}:cost:
get:
tags:
- WorkspacesAPI
summary: Get a single workspace's cost
description: 'Gets the fixed-rate cost of a single workspace, optionally over a
period. A missing window bound defaults to the workspace''s lifetime
bound on that side (create time, or deletion time / now). A two-sided
window entirely outside the lifetime yields zero costs, while a
one-sided window that does not intersect the lifetime is rejected as
invalid. Works for deleted workspaces too.'
operationId: WorkspacesAPI_GetWorkspaceCost
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
- name: startTime
in: query
description: "Start of the cost window (inclusive). Optional: defaults to the\n workspace's create time. When end_time is not given, a start that lies\n beyond the workspace's lifetime end is rejected as invalid."
schema:
type: string
format: date-time
- name: endTime
in: query
description: "End of the cost window (exclusive). Optional: defaults to the\n workspace's deletion time, or now when it is not deleted. When\n start_time is not given, an end that lies before the workspace's\n create time is rejected as invalid."
schema:
type: string
format: date-time
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/WorkspaceCost'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces/{id}:resume:
post:
tags:
- WorkspacesAPI
summary: Resume workspace
description: Resumes a workspace.
operationId: WorkspacesAPI_ResumeWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/ResumeWorkspaceRequest'
required: true
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/ResumeWorkspaceResponse'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces/{id}:suspend:
post:
tags:
- WorkspacesAPI
summary: Suspend workspace
description: Suspends a workspace.
operationId: WorkspacesAPI_SuspendWorkspace
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: id
in: path
description: The ID of the workspace.
required: true
schema:
type: string
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/SuspendWorkspaceRequest'
required: true
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/SuspendWorkspaceResponse'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces:costPrices:
get:
tags:
- WorkspacesAPI
summary: Get the effective workspace cost unit prices
description: 'Gets the effective fixed-rate workspace cost unit prices for the
organization: its override row when present, else the global default.
These are the rates GetWorkspaceCostReport and GetWorkspaceCost apply to
resource requests and lifetime overlap.'
operationId: WorkspacesAPI_GetWorkspaceCostPrices
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/WorkspaceCostPrices'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces:costReport:
get:
tags:
- WorkspacesAPI
summary: Get the workspace cost report over a period
description: 'Lists the fixed-rate costs of the workspaces visible to the caller over
a period — the same per-user visibility the workspace list applies
(members see their own and org-wide-shared workspaces, organization
owners see the whole org). Costs are computed from unit prices,
workspace resource requests and the overlap of each workspace''s lifetime
with the requested period; workspaces deleted during the period are
included.'
operationId: WorkspacesAPI_GetWorkspaceCostReport
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
- name: startTime
in: query
description: Start of the cost period (inclusive). Required; must be before end_time.
schema:
type: string
format: date-time
- name: endTime
in: query
description: End of the cost period (exclusive). Required.
schema:
type: string
format: date-time
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/WorkspaceCostReport'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
/ai-optimizer/v1beta/organizations/{organizationId}/workspaces:getSecretMappings:
get:
tags:
- WorkspacesAPI
summary: Get the caller's effective workspace secret mappings
description: 'Gets the caller''s effective secret injection mappings: the environment
variable name -> KAP secret reference (secret_id UUID) map that
CreateWorkspace injects for the caller when spec.secret_mappings is
unset (the fallback resolved from the caller''s effective secrets).
Metadata only: secret values are never exposed by this API.'
operationId: WorkspacesAPI_GetSecretMappings
parameters:
- name: organizationId
in: path
description: The ID of the organization.
required: true
schema:
type: string
responses:
'200':
description: OK
content:
application/json:
schema:
$ref: '#/components/schemas/SecretMappings'
default:
description: Default error response
content:
application/json:
schema:
$ref: '#/components/schemas/Status'
components:
schemas:
ListWorkspacesResponse:
required:
- items
- totalCount
type: object
properties:
items:
type: array
items:
$ref: '#/components/schemas/Workspace'
description: The list of workspaces.
nextPageCursor:
type: string
description: The pagination cursor to retrieve the next page.
totalCount:
type: integer
description: The total number of items.
format: int32
description: Response message for listing workspaces.
SecretReferences_NoSecrets:
type: object
properties: {}
description: "NoSecrets explicitly marks a workspace created with no secret\n injection at all."
SecretMappings:
type: object
properties:
mappings:
type: object
additionalProperties:
type: string
description: "Environment variable name -> KAP secret reference (secret_id UUID), in\n the same shape as WorkspaceSpec.secret_mappings. Empty when the user\n has no effective secrets."
description: "SecretMappings is the caller's effective secret injection mapping set:\n the response of GetSecretMappings."
GoogleProtobufAny:
type: object
properties:
'@type':
type: string
description: The type of the serialized message.
additionalProperties: true
description: Contains an arbitrary serialized message along with a @type that describes the type of the serialized message.
Workspace:
type: object
properties:
id:
readOnly: true
type: string
description: The ID of the workspace.
organizationId:
readOnly: true
type: string
description: The ID of the organization.
creatorId:
readOnly: true
type: string
description: The ID of the user who created the workspace.
description:
type: string
description: The description of the workspace.
status:
readOnly: true
enum:
- STATUS_UNSPECIFIED
- INITIALIZING
- ACTIVE
- SUSPENDED
- DELETING
- UNKNOWN
- TERMINATED
- FAILED
type: string
description: Status of the workspace.
format: enum
createTime:
readOnly: true
type: string
description: The time when the workspace was created.
format: date-time
uri:
readOnly: true
type: string
description: URI for accessing the workspace via websocket.
options:
writeOnly: true
allOf:
- $ref: '#/components/schemas/WorkspaceOptions'
description: Workspace creation options. Only used during upsert; never returned.
hostIdentityPublicKey:
readOnly: true
type: string
description: The host identity public key for SSH access.
clientType:
type: string
description: The client type that created the workspace, e.g. "harness".
cluster:
readOnly: true
type: string
description: The name of the cluster this workspace is hosted on.
spec:
allOf:
- $ref: '#/components/schemas/WorkspaceSpec'
description: "Create-time parameters of the workspace. On input (create/upsert),\n carries requested parameters. On output, only spec.resources is\n populated, with the resolved (provisioned) values; dependencies and\n egress policy are never returned."
templateName:
type: string
description: "The name of the workspace template to base the workspace on: resolved\n at creation time to whatever template currently carries that name\n (convenience reference; set template_id instead to pin an exact\n template). Applied only when creating a new workspace: the template is\n resolved to a snapshot of its values at creation time, so later\n template edits affect only newly created workspaces. On create,\n conflicts with spec: set either template fields or explicit parameters,\n never both. When upserting an existing workspace, spec may accompany an\n echo-equal template reference: a read-modify-write round trip carries\n both, and divergent values are rejected. Set at most\n one of template_name/template_id on input; when both are set they must\n refer to the same template. Immutable after creation: when upserting\n an existing workspace, must be absent or equal to the stored value.\n After creation, always populated together with template_id as a\n historical record; template edits or deletion do not affect the\n workspace."
templateId:
type: string
description: "The ID of the workspace template to base the workspace on, pinning an\n exact template incarnation (strict reference; set template_name\n instead to resolve whatever currently carries that name). Applied only\n when creating a new workspace, with the same conflict, both-set\n agreement and immutability rules as template_name. After creation,\n always populated together with template_name as a historical record;\n template edits or deletion do not affect the workspace."
secretReferences:
readOnly: true
allOf:
- $ref: '#/components/schemas/SecretReferences'
description: "Secret references of the workspace, as an explicit either/or state:\n no_secrets marks a workspace created without secret injection;\n secrets carries the environment variable name -> KAP secret\n reference (the secret_id UUID) map whose values the sandbox sidekick\n injects at runtime. Snapshot of the create-time spec.secret_mappings\n (explicit or resolved from the creator's effective secrets); never\n exposes secret values."
description: Workspace represents a sandbox workspace.
SecretReferences_Secrets:
type: object
properties:
mappings:
type: object
additionalProperties:
type: string
description: Environment variable name -> KAP secret reference (secret_id UUID).
description: "Secrets maps environment variable names to KAP secret references\n (the secret_id UUID) whose values the sandbox sidekick injects into\n those environment variables at runtime."
SuspendWorkspaceResponse:
type: object
properties: {}
description: Response message for suspending a workspace.
WorkspaceCostPrices:
required:
- cpuHourly
- memoryHourly
- pvcHourly
- ephemeralHourly
type: object
properties:
cpuHourly:
type: string
description: Price per vCPU-hour, in USD.
memoryHourly:
type: string
description: Price per GiB-hour of memory, in USD.
pvcHourly:
type: string
description: Price per GiB-hour of PVC storage, in USD.
ephemeralHourly:
type: string
description: Price per GiB-hour of ephemeral storage, in USD.
description: "The effective fixed-rate unit prices applied to workspace costs: the\n organization's override row when present, else the global default."
EgressPolicy:
type: object
properties:
denyByDefault:
type: boolean
description: "When true (the default), only `allowed` destinations pass. Explicitly\n set to false to request the default-allow posture (everything passes\n except `denied`)."
allowed:
type: array
items:
type: string
description: "Egress destinations to allow: lowercase domains (optionally a leading\n `*.` wildcard), IPv4/IPv6 CIDRs; each optionally suffixed with `:<port>`."
denied:
type: array
items:
type: string
description: Egress destinations to deny; same grammar as `allowed`, wins over it.
description: "EgressPolicy describes the outbound network policy enforced by the in-pod\n sidekick proxy: when deny_by_default is true, only `allowed` destinations\n pass; `denied` always takes precedence over `allowed`.\n\n The operator is the authoritative validator of the entry grammar\n (kimchi-operator internal/domain/validate.go, ValidateEgressPolicy); the\n bounds below only cap request size at the API edge. Grammar violations\n travel to the operator, whose HTTP 400 surfaces here as InvalidArgument."
Status:
type: object
properties:
code:
type: integer
description: The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
format: int32
message:
type: string
description: A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
details:
type: array
items:
$ref: '#/components/schemas/GoogleProtobufAny'
description: A list of messages that carry the error details. There is a common set of message types for APIs to use.
description: 'The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors).'
SuspendWorkspaceRequest:
required:
- organizationId
- id
type: object
properties:
organizationId:
type: string
description: The ID of the organization.
id:
type: string
description: The ID of the workspace.
description: Request message for suspending a workspace.
WorkspaceCostReport:
required:
- items
- totalCost
type: object
properties:
items:
type: array
items:
$ref: '#/components/schemas/WorkspaceCost'
description: "One entry per workspace visible to the caller whose lifetime overlaps\n the period, including deleted workspaces. Empty when no visible\n workspace overlaps."
totalCost:
type: string
description: The sum of all item totals over the period.
description: "The fixed-rate workspace cost report over a period: one entry per\n workspace visible to the caller whose lifetime overlaps the period,\n including deleted ones, plus the total across them."
WorkspaceResources:
type: object
properties:
cpu:
type: string
description: CPU request, e.g. "500m".
memory:
type: string
description: Memory request, e.g. "1Gi".
pvcSize:
type: string
description: Workspace PVC size, e.g. "20Gi".
description: "WorkspaceResources carries workspace resource requests as Kubernetes\n quantity strings (e.g. \"500m\", \"1Gi\"). Values must be positive."
WorkspaceOptions:
type: object
properties:
agentApiKey:
type: string
description: API token for the agent running in the workspace.
description: Configuration options passed to the workspace agent on creation.
WorkspaceCost:
required:
- workspaceId
- creatorId
- cpuCost
- memoryCost
- storageCost
- totalCost
- dataSource
type: object
properties:
workspaceId:
type: string
description: The ID of the workspace.
creatorId:
type: string
description: The ID of the user the cost is attributed to (the workspace creator).
cpuCost:
type: string
description: CPU cost over the period.
memoryCost:
type: string
description: Memory cost over the period.
storageCost:
type: string
description: 'Storage cost over the period: PVC plus ephemeral storage.'
totalCost:
type: string
description: "Total cost over the period: exactly cpu_cost + memory_cost +\n storage_cost (each component rounded to 6 decimal places first)."
dataSource:
enum:
- WORKSPACE_COST_DATA_SOURCE_UNSPECIFIED
- WORKSPACE_COST_DATA_SOURCE_FIXED_RATES
type: string
description: Where the numbers come from.
format: enum
description: The fixed-rate cost of one workspace over a period, in USD.
ResumeWorkspaceRequest:
required:
- organizationId
- id
type: object
properties:
organizationId:
type: string
description: The ID of the organization.
id:
type: string
description: The ID of the workspace.
description: Request message for resuming a workspace.
SecretReferences:
type: object
properties:
noSecrets:
allOf:
- $ref: '#/components/schemas/SecretReferences_NoSecrets'
description: Marks a workspace created without secret injection.
secrets:
allOf:
- $ref: '#/components/schemas/SecretReferences_Secrets'
description: The environment variable -> secret reference mappings.
description: "SecretReferences is the explicit secret injection state of a workspace:\n either no secrets at all, or the env-var -> secret reference map."
ResumeWorkspaceResponse:
type: object
properties: {}
description: Response message for resuming a workspace.
WorkspaceSpec:
type: object
properties:
resources:
allOf:
- $ref: '#/components/schemas/WorkspaceResources'
description: "Resource requests. On input, each set field overrides the\n organization's workspace sizing for that dimension; unset fields\n inherit the organization policy. Immutable after creation: upserting an\n existing workspace with different values is rejected. On output, the\n resolved (provisioned) requests."
dependencies:
writeOnly: true
type: array
items:
type: string
description: "CLI tools to install globally in the sandbox at boot. Entries follow the\n devkit grammar: [registry:]tool[@version], e.g. \"jq\", \"node@22\",\n \"npm:typescript-language-server@0.12.0\". Applied only when creating a\n new workspace: forwarded to the operator at create time; ignored when\n upserting an existing workspace; never returned."
egressPolicy:
writeOnly: true
allOf:
- $ref: '#/components/schemas/EgressPolicy'
description: "Outbound network policy of the workspace, enforced by the in-pod\n sidekick proxy. Applied only when creating a new workspace: forwarded to\n the operator at create time; ignored when upserting an existing\n workspace; never returned."
initScript:
writeOnly: true
type: string
description: "Opaque shell script executed at sandbox boot after dependency\n installation. Applied only when creating a new workspace: forwarded to\n the operator at create time; ignored when upserting an existing\n workspace; never returned. The operator enforces 64KiB UTF-8 bytes; the\n cap below counts characters. Never embed credentials: the script is\n stored verbatim; use secrets instead."
files:
writeOnly: true
type: object
additionalProperties:
type: string
description: "Custom files written into the sandbox filesystem at boot, mapped by\n path to content. Paths are home-relative (under the sandbox home, on\n the workspace volume) and must be clean; absolute paths, ~ and .. are\n not supported. Written before dependency installation, with parent\n directories created on demand. Applied only when creating a new\n workspace: forwarded to the operator at create time; ignored when\n upserting an existing workspace; never returned. The operator is the\n authoritative validator of the path grammar and content rules; grammar\n violations travel to the operator, whose HTTP 400 surfaces here as\n InvalidArgument. It enforces byte caps (64KiB per file, 112KiB\n JSON-encoded across the map); the caps below count characters. Contents\n are plaintext in control-plane objects — configuration, not secrets."
secretMappings:
writeOnly: true
type: object
additionalProperties:
type: string
description: "Secret injection entries mapped by environment variable name to a KAP\n secret reference (the secret_id UUID returned by the internal KAP\n secrets API). The map is JSON-encoded and set on the first container as\n the SIDEKICK_SECRET_INJECTION_CONFIG environment variable, which the\n sidekick consumes to resolve and inject secret values at runtime.\n Environment variable names must match ^[A-Z_][A-Z0-9_]*$; setting\n SIDEKICK_SECRET_INJECTION_CONFIG directly via env or secrets is\n rejected by the operator. Applied only when creating a new workspace:\n forwarded to the operator at create time; never returned (see\n Workspace.secret_references for the echoed state). Note: an explicitly\n empty map is indistinguishable from an unset field (proto3 map getters\n return nil either way) and also triggers the effective-secrets\n fallback below; there is currently no way to opt out of secret\n injection via the spec."
description: WorkspaceSpec groups the create-time parameters of a workspace.
securitySchemes:
BearerAuth:
type: http
scheme: bearer
bearerFormat: JWT
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
x-provenance:
method: searched
source: https://docs.cast.ai/reference
harvested: '2026-10-20'
tool: harvest-readme-openapi.py
note: Assembled verbatim from the OpenAPI definition ReadMe embeds in each operation page of the provider's developer portal; paths and components merged by API title, nothing authored.
assembled_from:
- https://docs.cast.ai/reference/analyticsapi_generateanalytics.md
# --- truncated at 32 KB (43 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/kimchi/refs/heads/main/openapi/kimchi-workspacesapi-api-openapi.yml