> ## Documentation Index > Fetch the complete documentation index at: https://gcore.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # List flavors matching volume requirements > List all flavors that are suitable for instance creation based on volume requirements. When `include_prices` is specified, the list includes pricing information. ## OpenAPI ````yaml /api-reference/services_docs_mintlify/cloud_api.yaml post /cloud/v1/instances/{project_id}/{region_id}/available_flavors openapi: 3.1.0 info: title: Gcore OpenAPI – Cloud API description: >- This OpenAPI is an aggregated OpenAPI specification that unifies all Gcore products into a single file. It covers Cloud, CDN, DNS, WAAP, DDoS Protection, Object Storage, Streaming, and FastEdge services. version: 5ef57c94b74e servers: - url: https://api.gcore.com security: - APIKey: [] tags: - name: Bare Metal - name: Container as a Service - name: Cost Reports - name: DDoS Protection - name: Everywhere Inference - name: Everywhere Inference Apps - name: File Shares - name: Floating IPs - name: Function as a Service - name: GPU Bare Metal - name: GPU Virtual - name: IP Ranges - name: Images - name: Instances - name: Load Balancers - name: Logging - name: Managed Kubernetes - name: Managed PostgreSQL - name: Networks - name: Placement Groups - name: Ports - name: Projects - name: Quotas - name: Regions - name: Registry - name: Reservations - name: Reserved IPs - name: Routers - name: SSH Keys - name: Secrets - name: Security Groups - name: Snapshot Schedules - name: Snapshots - name: Tasks - name: User Actions - name: User Role Assignments - name: Volumes paths: /cloud/v1/instances/{project_id}/{region_id}/available_flavors: post: tags: - Instances summary: List flavors matching volume requirements description: >- List all flavors that are suitable for instance creation based on volume requirements. When `include_prices` is specified, the list includes pricing information. operationId: InstanceAvailableFlavorsViewSet.post parameters: - in: path name: project_id required: true description: Project ID schema: description: Project ID example: 1 examples: - 1 title: Project Id type: integer - in: path name: region_id required: true description: Region ID schema: description: Region ID example: 1 examples: - 1 title: Region Id type: integer - in: query name: include_prices required: false description: Set to true if flavor listing should include flavor prices. schema: default: false description: Set to true if flavor listing should include flavor prices. title: Include Prices type: boolean requestBody: content: application/json: schema: $ref: '#/components/schemas/CheckFlavorVolumeListPydanticSerializer' responses: '200': description: OK content: application/json: schema: $ref: >- #/components/schemas/InstanceFlavorExtendedV1CollectionSerializer components: schemas: CheckFlavorVolumeListPydanticSerializer: properties: volumes: description: Volumes details. Non-important info such as names may be omitted. items: $ref: '#/components/schemas/CheckFlavorVolumeItemPydanticSerializer' title: Volumes type: array required: - volumes title: CheckFlavorVolumeListPydanticSerializer type: object InstanceFlavorExtendedV1CollectionSerializer: properties: count: description: Number of objects example: 1 examples: - 1 minimum: 0 title: Count type: integer results: description: Objects items: $ref: '#/components/schemas/InstanceFlavorExtendedUnion' title: Results type: array required: - count - results title: InstanceFlavorExtendedV1CollectionSerializer type: object CheckFlavorVolumeItemPydanticSerializer: properties: apptemplate_id: anyOf: - type: string - type: 'null' default: null description: App template ID. Mandatory if source is 'apptemplate'. title: Apptemplate Id boot_index: anyOf: - type: integer - type: 'null' default: null description: >- 0 should be set for primary boot device; Unique positive values for other bootable devices; negative - boot prohibited. title: Boot Index image_id: anyOf: - type: string - type: 'null' default: null description: Image ID. Mandatory if volume is created from image. title: Image Id name: anyOf: - type: string - type: 'null' default: null description: Volume name. Non-important, may be omitted. title: Name size: anyOf: - minimum: 1 type: integer - type: 'null' default: null description: >- Volume size. Must be specified when source is 'new-volume' or 'image'. If specified for source 'snapshot' or 'existing-volume', value must be equal to respective snapshot or volume size title: Size snapshot_id: anyOf: - type: string - type: 'null' default: null description: Volume snapshot ID. Mandatory if volume is created from a snapshot title: Snapshot Id source: $ref: '#/components/schemas/VolumeSource' description: Volume source type_name: anyOf: - $ref: '#/components/schemas/VolumeTypeName' - type: 'null' default: null description: >- One of 'standard', 'ssd_hiiops', 'ssd_local', 'ssd_lowlatency', 'cold', 'ultra' volume_id: anyOf: - type: string - type: 'null' default: null description: Volume ID. Mandatory if source is 'existing-volume'. title: Volume Id required: - source title: CheckFlavorVolumeItemPydanticSerializer type: object InstanceFlavorExtendedUnion: anyOf: - $ref: '#/components/schemas/InstanceFlavorExtendedSerializerWithoutPrice' - $ref: '#/components/schemas/InstanceFlavorExtendedSerializerWithPrice' title: InstanceFlavorExtendedUnion VolumeSource: enum: - apptemplate - existing-volume - image - new-volume - snapshot title: VolumeSource type: string VolumeTypeName: enum: - cold - ssd_hiiops - ssd_local - ssd_lowlatency - standard - ultra title: VolumeTypeName type: string InstanceFlavorExtendedSerializerWithoutPrice: description: Instances flavor schema without price information properties: architecture: description: Flavor architecture type example: x86_64 examples: - x86_64 title: Architecture type: string disabled: description: Disabled flavor flag example: false examples: - false title: Disabled type: boolean flavor_id: description: Flavor ID is the same as name example: g2-standard-32-64 examples: - g2-standard-32-64 title: Flavor Id type: string flavor_name: description: Flavor name example: g2-standard-32-64 examples: - g2-standard-32-64 title: Flavor Name type: string hardware_description: additionalProperties: type: string description: Additional hardware description title: Hardware Description type: object os_type: description: Flavor operating system example: linux examples: - linux title: Os Type type: string ram: description: RAM size in MiB example: 2048 examples: - 2048 title: Ram type: integer vcpus: description: Virtual CPU count example: 1 examples: - 1 title: Vcpus type: integer required: - flavor_id - flavor_name - vcpus - ram - disabled - hardware_description - os_type - architecture title: Instances flavor schema without price type: object InstanceFlavorExtendedSerializerWithPrice: description: Instances flavor schema with price information properties: architecture: description: Flavor architecture type example: x86_64 examples: - x86_64 title: Architecture type: string currency_code: anyOf: - type: string - type: 'null' description: Currency code examples: - USD title: Currency Code disabled: description: Disabled flavor flag example: false examples: - false title: Disabled type: boolean flavor_id: description: Flavor ID is the same as name example: g2-standard-32-64 examples: - g2-standard-32-64 title: Flavor Id type: string flavor_name: description: Flavor name example: g2-standard-32-64 examples: - g2-standard-32-64 title: Flavor Name type: string hardware_description: additionalProperties: type: string description: Additional hardware description title: Hardware Description type: object os_type: description: Flavor operating system example: linux examples: - linux title: Os Type type: string price_per_hour: anyOf: - type: number - type: integer - type: 'null' description: Price per hour examples: - 1 title: Price Per Hour price_per_month: anyOf: - type: number - type: integer - type: 'null' description: Price per month examples: - 720 title: Price Per Month price_status: anyOf: - $ref: '#/components/schemas/PriceDisplayStatus' - type: 'null' description: Price status for the UI examples: - show ram: description: RAM size in MiB example: 2048 examples: - 2048 title: Ram type: integer vcpus: description: Virtual CPU count example: 1 examples: - 1 title: Vcpus type: integer required: - flavor_id - flavor_name - vcpus - ram - disabled - hardware_description - os_type - architecture - currency_code - price_per_hour - price_per_month - price_status title: Instances flavor schema with price type: object PriceDisplayStatus: enum: - error - hide - show title: PriceDisplayStatus type: string securitySchemes: APIKey: description: >- API key for authentication. Make sure to include the word `apikey`, followed by a single space and then your token. Example: `apikey 1234$abcdef` type: apiKey in: header name: Authorization ````