> ## 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. # Get a single Expense > Retrieve a single `Expense` by ID. ## OpenAPI ````yaml /api-reference/services_documented/billing_reseller_api.yaml get /billing/org/v1/expenses/{id} openapi: 3.1.0 info: title: Gcore OpenAPI – Billing Reseller 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: '2026-05-07T20:33:46.548242+00:00' servers: - url: https://api.gcore.com security: - APIKey: [] tags: - name: addendums description: Operations on client addendums x-displayName: addendums - name: calc_rules x-displayName: calc_rules - name: currencies x-displayName: currencies - name: erp-invoices x-displayName: erp-invoices - name: expenses description: Operations on expenses x-displayName: expenses - name: plans description: Operations on tariff plans and their contents x-displayName: plans - name: products x-displayName: products - name: reports description: >- Operations involving reports and the associated background tasks that handle their processing x-displayName: reports - name: trials x-displayName: trials paths: /billing/org/v1/expenses/{id}: get: tags: - expenses summary: Get a single Expense description: Retrieve a single `Expense` by ID. operationId: v1_expenses_retrieve parameters: - in: path name: id schema: type: integer required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/ExpenseForOrgSerializerV1' description: Request successful. '401': description: Authentication credentials were not provided or are invalid. '403': description: You do not have permission to perform this action. '404': description: The requested resource was not found. components: schemas: ExpenseForOrgSerializerV1: type: object description: >- Resolve client/payer for expenses that may be linked via addendum or directly via client. properties: id: type: integer readOnly: true client_id: type: string readOnly: true description: The ID of the client associated with the expense. payer_id: type: string readOnly: true description: The ID of the payer associated with the expense. client: allOf: - $ref: '#/components/schemas/CustomerPayerCommonShort' readOnly: true description: The client associated with the expense. comment: type: string readOnly: true nullable: true description: Public comment for_date: type: string format: date-time readOnly: true description: Date of expense period_range: allOf: - $ref: '#/components/schemas/DateTimeTZRange' readOnly: true description: The time range for which the expense is calculated. calc_rule_type: type: string readOnly: true description: Type of the calculation rule applied to the expense. currency: allOf: - $ref: '#/components/schemas/CurrencyCommonShort' readOnly: true description: The currency used in the expense. money_value: description: The monetary value of the expense. type: string format: decimal pattern: ^\d{1,3}\.\d{12}$ readOnly: true tax_value: description: The monetary value of the tax applied to the expense. type: string format: decimal pattern: ^\d{1,3}\.\d{12}$ readOnly: true tax_rate: type: string format: decimal pattern: ^\d{1,2}\.\d{2}$ readOnly: true description: The tax rate applied to the expense. usage: allOf: - $ref: '#/components/schemas/Usage' readOnly: true description: Usage details associated with the expense. metric_ext_name: type: string readOnly: true description: Metric code of the feature associated with the expense. region: allOf: - $ref: '#/components/schemas/StatisticRegionCommonShort' readOnly: true description: The region associated with the expense. discount_value: description: The monetary value of the discount applied to the expense. type: string format: decimal pattern: ^\d{1,3}\.\d{12}$ readOnly: true discount: allOf: - $ref: '#/components/schemas/DiscountCommonShort' readOnly: true description: The discount applied to the expense, if any. deleted: type: boolean readOnly: true description: Indicates whether the expense has been deleted. description: type: string readOnly: true description: Description of the expense. product_category: allOf: - $ref: '#/components/schemas/ProductCategoryCommonShort' readOnly: true description: The product category associated with the feature of the expense. product: allOf: - $ref: '#/components/schemas/ProductCommonShort' readOnly: true description: The product associated with the expense. addendum: allOf: - $ref: '#/components/schemas/AddendumCommonShort' readOnly: true description: The addendum associated with the expense. plan: allOf: - $ref: '#/components/schemas/PlanCommonShort' readOnly: true description: The plan associated with the expense. feature: allOf: - $ref: '#/components/schemas/FeatureCommonShort' readOnly: true description: The feature associated with the expense. subscription: type: string readOnly: true description: The subscription associated with the expense. plan_item: allOf: - $ref: '#/components/schemas/AdminPlanItemCommonShort' readOnly: true description: The plan item associated with the expense. invoices: type: array items: $ref: '#/components/schemas/InvoiceItemIDsShort' readOnly: true description: List of invoice item IDs associated with the expense. required: - addendum - calc_rule_type - client - client_id - comment - currency - deleted - description - discount - discount_value - feature - for_date - id - invoices - metric_ext_name - money_value - payer_id - period_range - plan - plan_item - product - product_category - region - subscription - tax_rate - tax_value - usage CustomerPayerCommonShort: type: object properties: id: type: integer readOnly: true company_name: type: string readOnly: true required: - company_name - id DateTimeTZRange: type: object description: Date-time range with start and end fields. properties: start: type: string format: date-time nullable: true end: type: string format: date-time nullable: true CurrencyCommonShort: type: object properties: id: type: integer readOnly: true char_code: type: string description: Currency iso4217 char code pattern: ^[A-Z]{3}$ maxLength: 3 symbol: type: string nullable: true description: Currency symbol, for example '$' maxLength: 10 required: - char_code - id Usage: type: object description: >- Resolve a Unit from an Expense via `plan_item` or subscription.`price_json`. properties: amount: type: string format: decimal pattern: ^\d{1,3}\.\d{12}$ readOnly: true description: The amount of usage unit_name: type: string nullable: true readOnly: true description: The name of the unit of measurement for the usage required: - amount - unit_name StatisticRegionCommonShort: type: object properties: id: type: integer readOnly: true name: type: string readOnly: true external_name: type: string readOnly: true required: - external_name - id - name DiscountCommonShort: type: object properties: id: type: integer readOnly: true relative_value: type: string format: decimal pattern: ^-?\d{0,24}(?:\.\d{0,12})?$ comment: type: string nullable: true description: Public comment maxLength: 1000 required: - id - relative_value ProductCategoryCommonShort: type: object properties: id: type: integer readOnly: true name: type: string maxLength: 255 required: - id - name ProductCommonShort: type: object properties: id: type: integer readOnly: true name: type: string readOnly: true internal_name: type: string maxLength: 25 required: - id - internal_name - name AddendumCommonShort: type: object properties: id: type: integer readOnly: true active_range: allOf: - $ref: '#/components/schemas/DateTimeTZRange' readOnly: true status: enum: - upcoming - active - paused - stopped type: string x-spec-enum-id: a6691db649b8bdef description: |- Addendum status - `upcoming` - upcoming - `active` - active - `paused` - paused - `stopped` - stopped required: - active_range - id PlanCommonShort: type: object properties: id: type: integer readOnly: true name: type: string readOnly: true required: - id - name FeatureCommonShort: type: object properties: id: type: integer readOnly: true name: type: string readOnly: true erp_sku_id: type: string readOnly: true nullable: true required: - erp_sku_id - id - name AdminPlanItemCommonShort: type: object properties: id: type: integer readOnly: true default: type: boolean readOnly: true comment: type: string nullable: true description: Public comment maxLength: 1000 description: type: string nullable: true description: Description for internal use maxLength: 1000 required: - default - id InvoiceItemIDsShort: type: object properties: invoice_id: type: integer readOnly: true invoice_date: type: string format: date readOnly: true invoice_item_id: type: integer readOnly: true required: - invoice_date - invoice_id - invoice_item_id securitySchemes: APIKey: description: >- API key for authentication. Make sure to include the word `apikey`, followed by a single space and then your token. Example: `apikey 1234$abcdef` type: apiKey in: header name: Authorization ````