> ## Documentation Index > Fetch the complete documentation index at: https://docs.costgraph.ai/llms.txt > Use this file to discover all available pages before exploring further. # Price a volume > Resolve the rate CostGraph would bill for a block volume of the given type and capacity, in the given region. Prices you have published for the volume's provider are preferred over the public catalogue. ## OpenAPI ````yaml https://raw.githubusercontent.com/baselinehq/mintlify-docs/main/api-reference/openapi.json post /v1/pricing/disks openapi: 3.0.1 info: title: CostGraph Pricing API description: Provides API level access to the Costgraph Services. termsOfService: https://costgraph.ai/terms-of-use contact: name: Customer Support url: https://costgraph.ai/support email: support@costgraph.ai license: name: Apache 2.0 url: http://www.apache.org/licenses/LICENSE-2.0.html version: '1.0' servers: - url: https://pricing.baselinehq.cloud/ security: [] paths: /v1/pricing/disks: post: tags: - pricing summary: Price a volume description: >- Resolve the rate CostGraph would bill for a block volume of the given type and capacity, in the given region. Prices you have published for the volume's provider are preferred over the public catalogue. requestBody: description: Volume to price content: application/json: schema: $ref: '#/components/schemas/Disk' required: true responses: '200': description: The resolved price content: application/json: schema: $ref: '#/components/schemas/DiskPrice' '400': description: Invalid request body content: application/json: schema: $ref: '#/components/schemas/Problem' '401': description: Unauthenticated content: application/json: schema: $ref: '#/components/schemas/Problem' '404': description: No price matches the volume content: application/json: schema: $ref: '#/components/schemas/Problem' '422': description: Validation failed content: application/json: schema: $ref: '#/components/schemas/Problem' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/Problem' security: - ApiKeyAuth: [] - BearerAuth: [] components: schemas: Disk: type: object properties: availability_zone: type: string capacity_gb: type: number fallback_to_base_pricing: type: boolean id: type: string iops: type: number provider: $ref: >- #/components/schemas/github_com_baselinehq_golang-shared_types.Provider region: type: string service: $ref: '#/components/schemas/types.Service' throughput_mbps: type: number type: type: string usage_type: $ref: >- #/components/schemas/github_com_baselinehq_golang-shared_types.UsageType DiskPrice: type: object properties: availability_zone: type: string cost_per_gb_hour: type: number cost_per_iops_hour: type: number cost_per_throughput_mbps_hour: type: number created_at: type: string currency: type: string id: type: string max_capacity_gb: type: number max_iops: type: number max_throughput_mbps: type: number min_capacity_gb: type: number min_iops: type: number min_throughput_mbps: type: number native_cost_per_gb_hour: type: number native_cost_per_iops_hour: type: number native_cost_per_throughput_mbps_hour: type: number period_billing_hours: type: number provider: type: string raw_pricing_data: type: object properties: {} region: type: string service: type: string tags: type: object properties: {} type: type: string updated_at: type: string usage_type: type: string Problem: type: object properties: code: type: string detail: type: string errors: type: array items: $ref: '#/components/schemas/FieldError' instance: type: string status: type: integer title: type: string type: type: string github_com_baselinehq_golang-shared_types.Provider: type: string enum: - GCP - AWS - DigitalOcean - Azure - Hetzner - OVHCloud - PlanetScale - STACKIT - Akamai - Base x-enum-comments: Base: Base provider for default pricing, no specific cloud provider x-enum-descriptions: - '' - '' - '' - '' - '' - '' - '' - '' - '' - Base provider for default pricing, no specific cloud provider x-enum-varnames: - GCP - AWS - DigitalOcean - Azure - Hetzner - OVHCloud - PlanetScale - STACKIT - Akamai - Base types.Service: type: string enum: - ComputeEngine - AmazonEC2 - Droplet - AzureCompute - AzureManagedDisks - HetznerCompute - OVHPublicCloud - BaseCompute - BaseDisks - AmazonEBS - AmazonRDS - AuroraDSQL - CloudSQL - AlloyDB - CloudSpanner - AzureDatabaseForPostgreSQL - AzureDatabaseForMySQL - AzureSQLDatabase - AzureSQLManagedInstance - PlanetScale - ComputeEnginePersistentDisk - STACKITCompute - STACKITBlockStorage - STACKITDatabase - AkamaiLinode - AkamaiBlockStorage - AkamaiDatabase x-enum-varnames: - ComputeEngine - AmazonEC2 - Droplet - AzureCompute - AzureManagedDisks - HetznerCompute - OVHPublicCloud - BaseCompute - BaseDisks - AmazonEBS - AmazonRDS - AuroraDSQL - CloudSQL - AlloyDB - CloudSpanner - AzureDatabaseForPostgreSQL - AzureDatabaseForMySQL - AzureSQLDatabase - AzureSQLManagedInstance - PlanetScaleDB - ComputeEnginePersistentDisk - STACKITCompute - STACKITBlockStorage - STACKITDatabase - AkamaiLinode - AkamaiBlockStorage - AkamaiDatabase github_com_baselinehq_golang-shared_types.UsageType: type: string enum: - SPOT_PREEMPTIBLE - ONDEMAND - RESERVED - ONDEMAND_CUSTOM - SPOT_PREEMPTIBLE_CUSTOM - RESERVED_CUSTOM - SOLE_TENANCY - CUSTOM - EXTENDED x-enum-varnames: - SPOT_PREEMPTIBLE - ONDEMAND - RESERVED - ONDEMAND_CUSTOM - SPOT_PREEMPTIBLE_CUSTOM - RESERVED_CUSTOM - SOLE_TENANCY - CUSTOM - EXTENDED FieldError: type: object properties: detail: type: string pointer: type: string securitySchemes: ApiKeyAuth: type: apiKey description: API key with "bl_" prefix (e.g. "bl_") name: X-API-Key in: header BearerAuth: type: apiKey description: Bearer token for authentication (e.g. "Bearer ") name: Authorization in: header ````