> ## Documentation Index > Fetch the complete documentation index at: https://docs.maesn.com/llms.txt > Use this file to discover all available pages before exploring further. # Get invoice line ## Field support per integration }> If you're not using the [Interactive Authentication Flow](/authentication#interactive-authentication-flow), make sure the query parameters `environmentName` and `companyId` are correctly populated. You can obtain these values by using the `GET Environments` and `GET Companies` endpoints available under the Authentication section. Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. }> Please note that Lexware Office does not support the `lineItemId` field and needs the `itemId` as the unique identifier. Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. }> If you're not using the [Interactive Authentication Flow](/authentication#interactive-authentication-flow), make sure the query parameters `environmentName` and `companyId` are correctly populated. You can obtain these values by using the `GET Companies` endpoint available under the Authentication section. Please use the id field as the companyId and the environmentId field as the environmentName. Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. ISO-8601 date format, e.g., 2024-01-01T00:00:00Z ISO-8601 date format, e.g., 2024-01-01T00:00:00Z }> Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. ISO-8601 date format, e.g., 2024-01-01T00:00:00Z ISO-8601 date format, e.g., 2024-01-01T00:00:00Z }> Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. ISO-8601 date format, e.g., 2024-01-01T00:00:00Z }> Support rawData: `true`
Supported Response Fields: Note that quantity can be a decimal numeral. ## OpenAPI ````yaml get /accounting/invoices/{invoiceId}/lineItems/{lineItemId} openapi: 3.0.0 info: title: Maesn unified API description: The Maesn unified API description version: '1.0' contact: {} servers: - url: https://api.maesn.dev security: [] tags: - name: maesn description: '' paths: /accounting/invoices/{invoiceId}/lineItems/{lineItemId}: get: tags: - accounting operationId: getLineItem parameters: - name: invoiceId required: true in: path schema: type: string - name: lineItemId required: true in: path schema: type: string - name: companyId required: false in: query schema: type: string - name: environmentName in: query schema: type: string required: false - name: rawData required: false in: query schema: type: boolean - name: X-API-KEY description: API key in: header schema: type: string required: true - name: X-ACCOUNT-KEY description: Account key in: header schema: type: string required: true responses: '200': description: '' content: application/json: schema: allOf: - $ref: '#/components/schemas/BaseResponseDto' - properties: data: $ref: '#/components/schemas/InvoiceLineItemResponseDto' type: object components: schemas: BaseResponseDto: type: object properties: meta: $ref: '#/components/schemas/MetaResponse' data: oneOf: - type: object - type: array InvoiceLineItemResponseDto: type: object properties: lineItemId: type: string example: 987a2b3c-4d5e-6f7g-8h9i-0j1k2l3m4n5o accountId: type: string example: 6733a433-9662-4a40-8e36-e38ebda94fe1 createdDate: type: string example: '2021-01-01T00:00:00Z' description: type: string example: SEOUL Guest Chair, red dimensions: type: array items: $ref: '#/components/schemas/InvoiceLineItemDimension' discountItemAmount: type: number example: 10 discountItemPercentage: type: number example: 10 grossAmount: type: number example: 109 itemsAmount: type: number example: 100 itemId: type: string example: 9fc4f3a2-5b8e-4d1b-8a0c-9f6e7d2f3e4b name: type: string example: RED CHAIR quantity: type: number example: 1 taxCode: type: string example: '03' taxRatePercentage: type: number example: 19 unitAmount: type: number example: 100 updatedDate: type: string example: '2021-01-01T00:00:00Z' MetaResponse: type: object properties: warnings: type: array items: type: string example: Field not used by target system pagination: $ref: '#/components/schemas/PaginationResponse' InvoiceLineItemDimension: type: object properties: id: type: string example: c1d2e3f4-5678-9abc-def0-1234567890ab categoryName: type: string example: CostCenter name: type: string example: C1 PaginationResponse: type: object properties: total: type: number example: 125 perPage: type: number example: 50 currentPage: type: number example: 1 totalPages: type: number example: 3 ````