> ## Documentation Index > Fetch the complete documentation index at: https://docs.sfcompute.com/llms.txt > Use this file to discover all available pages before exploring further. # List instance-SKU availability > > ⚠️ This endpoint is in [public preview](/preview/roadmap). The purchasable-capacity schedule of every instance SKU. Each enshrined property is accepted as an equality filter. ## OpenAPI ````yaml /preview/openapi.json get /preview/v2/instance_skus/availability openapi: 3.1.0 info: title: sfc-api description: >- Public preview API - subject to change. See https://docs.sfcompute.com/preview/roadmap for details. version: 0.1.0 servers: - url: https://api.sfcompute.com security: - bearer_auth: [] tags: - name: Pools description: A bucket of owned compute balance over time. - name: Orders description: >- Place orders targeting a capacity to increase your reserved compute balance during some time period. - name: Instance Templates description: Reusable instance configuration. - name: Images description: Custom machine images for instances. - name: Roles description: TOML-based permission role definitions. - name: Grants description: Bind principals (users or tokens) to roles on a workspace. - name: Tokens description: Workspace-scoped API tokens. - name: Instances description: Spin up instances in a capacity to use your available compute. - name: Instance SKU Catalog description: Browse available instance SKU property definitions. - name: Procurements description: Market automations that maintain capacity by placing buy/sell orders. - name: Deployments description: Deployment automations that maintain a fleet of instances on a capacity. - name: Spot Deployments description: >- Spot deployment automations that buy capacity up to a maximum price and run instances on secured capacity. - name: Users description: Read-only access to users within the caller's organization. - name: Workspaces description: Resource containers scoped to an account. - name: Permissions description: Inspect what the caller is allowed to do. - name: Billing description: Billing profile, contacts, and auto top-up settings. - name: Orderbook description: >- Read-only orderbook visibility: bid/ask spread, depth of book, and historical fills, keyed on hardware requirements + delivery window. - name: Orders description: >- Estimate an order before placing it: filled price, fee, and operational notices. paths: /preview/v2/instance_skus/availability: get: tags: - Instance SKUs summary: List instance-SKU availability description: >- > ⚠️ This endpoint is in [public preview](/preview/roadmap). The purchasable-capacity schedule of every instance SKU. Each enshrined property is accepted as an equality filter. operationId: list_instance_sku_availability parameters: - name: limit in: query description: Maximum number of results to return (1-200, default 50). required: false schema: type: integer format: u-int32 default: 50 maximum: 200 minimum: 1 - name: starting_after in: query description: >- Cursor for forward pagination (from a previous response's `cursor` field). required: false schema: $ref: '#/components/schemas/InstanceSkusCursor' - name: ending_before in: query description: Cursor for backward pagination. required: false schema: $ref: '#/components/schemas/InstanceSkusCursor' - name: id in: query description: Filter to a single SKU by id. required: false schema: $ref: '#/components/schemas/InstanceSkuId' - name: region in: query description: Filter by region, e.g. `europe-north1`. required: false schema: type: string - name: availability_zone in: query description: Filter by availability zone, e.g. `a`. required: false schema: type: string - name: accelerator in: query description: Filter by accelerator, e.g. `h100`. required: false schema: type: string - name: form_factor in: query description: Filter by accelerator form factor, e.g. `sxm`. required: false schema: type: string - name: rdma_type in: query description: Filter by RDMA type (`infiniband` or `roce`). required: false schema: type: string - name: num_accelerators in: query description: Filter by accelerators per node, e.g. `8`. required: false schema: type: integer format: u-int32 minimum: 0 - name: num_vcpus in: query description: Filter by vCPUs per node, e.g. `56`. required: false schema: type: integer format: u-int32 minimum: 0 - name: memory in: query description: Filter by total system memory in bytes. required: false schema: type: integer format: u-int64 minimum: 0 - name: local_storage in: query description: Filter by total local storage in bytes. required: false schema: type: integer format: u-int64 minimum: 0 - name: supports_public_ipv4 in: query description: Filter by public-IPv4 capability. required: false schema: type: boolean responses: '200': description: Paginated per-SKU availability. content: application/json: schema: $ref: '#/components/schemas/ListInstanceSkuAvailabilityResponse' '401': description: Unauthorized. content: application/json: schema: $ref: '#/components/schemas/UnauthorizedError' '422': description: Validation failed. content: application/json: schema: $ref: '#/components/schemas/UnprocessableEntityError' '500': description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/InternalServerError' security: - bearer_auth: [] components: schemas: InstanceSkusCursor: type: string examples: - iskuc_gqXR7s0Kj5mHvE2wNpLc4Q pattern: ^iskuc_[A-Za-z0-9_-]+$ InstanceSkuId: oneOf: - type: string examples: - isku_k3R-nX9vLm7Qp2Yw5Jd8F pattern: isku_[0-9a-zA-Z_-]{1,21} - type: string description: Legacy alias prefix; accepted on read, never emitted on write. pattern: clus_[0-9a-zA-Z_-]{1,21} description: >- Accepts the canonical prefix below; additional legacy prefixes are aliased for read compatibility. Writes always emit the canonical form. ListInstanceSkuAvailabilityResponse: type: object description: >- Paginated per-SKU availability returned by `GET /v2/instance_skus/availability`. required: - object - has_more - data properties: object: type: string const: list default: list readOnly: true cursor: oneOf: - type: 'null' - $ref: '#/components/schemas/InstanceSkusCursor' description: Pass as `starting_after` or `ending_before` to paginate. has_more: type: boolean data: type: array items: $ref: '#/components/schemas/InstanceSkuAvailability' UnauthorizedError: type: object required: - error properties: error: type: object required: - type - message properties: type: type: string const: authentication_error default: authentication_error readOnly: true message: type: string x-speakeasy-error-message: true UnprocessableEntityError: type: object required: - error properties: error: type: object required: - type - message properties: type: type: string const: unprocessable_entity default: unprocessable_entity readOnly: true message: type: string x-speakeasy-error-message: true details: type: array items: $ref: '#/components/schemas/ErrorDetail' InternalServerError: type: object required: - error properties: error: type: object required: - type - message properties: type: type: string const: api_error default: api_error readOnly: true message: type: string x-speakeasy-error-message: true InstanceSkuAvailability: type: object description: One instance SKU's purchasable-capacity schedule. required: - object - instance_sku - schedule properties: object: type: string const: instance_sku_availability default: instance_sku_availability readOnly: true instance_sku: $ref: '#/components/schemas/InstanceSkuSummary' schedule: $ref: '#/components/schemas/Schedule' description: >- Node counts available for purchase over time. Empty when the SKU has no published availability. ErrorDetail: type: object required: - code - message properties: field: type: - string - 'null' description: The field that caused the error (for validation errors) code: type: string description: Specific error code for this detail message: type: string description: Human-readable error message InstanceSkuSummary: type: object description: >- A summary of an instance SKU - its `id` and human-recognizable `alias` - embedded on resources that reference a SKU. required: - object - id - alias properties: object: type: string const: instance_sku default: instance_sku readOnly: true id: $ref: '#/components/schemas/InstanceSkuId' alias: $ref: '#/components/schemas/Name' Schedule: type: array items: $ref: '#/components/schemas/ScheduleEntry' description: >- Node count over time, as a list of `[start_at, end_at)` time ranges. Example: 5 nodes from t=0 to t=3600 is `[{"start_at": 0, "end_at": 3600, "node_count": 5}]`. `start_at` and `end_at` must be 60-second aligned, `node_count` must be non-negative. On non-final entries, `end_at` may be omitted (inferred from the next entry's `start_at`); gaps fill with `node_count: 0`. Name: type: string examples: - my-resource-name maxLength: 255 minLength: 1 pattern: '[a-zA-Z0-9][a-zA-Z0-9._-]{0,254}' ScheduleEntry: type: object description: >- A `[start_at, end_at)` time range with a fixed `node_count`. `end_at` is `null` only on the final entry, marking an unbounded tail. required: - start_at - node_count properties: start_at: $ref: '#/components/schemas/UnixEpoch' end_at: oneOf: - type: 'null' - $ref: '#/components/schemas/UnixEpoch' node_count: type: integer format: int32 UnixEpoch: type: integer format: int64 description: Unix timestamp. example: 1738972800 securitySchemes: bearer_auth: type: http scheme: bearer bearerFormat: JWT description: >- Create an API token using `sf tokens create` or at https://sfcompute.com/account/api-keys. ````