> ## 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 offer 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: Available options (3-letter ISO 4217): `ITEM`, `COMMENT`, `ACCOUNT`, `CHARGE`, `VALUE`, `RESOURCE`, `FIXED_ASSET` }> 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`
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z Note that quantity can be a decimal numeral. ISO-8601 date format, e.g., 2024-01-01T00:00:00Z ## OpenAPI ````yaml get /accounting/offers/{offerId}/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/offers/{offerId}/lineItems/{lineItemId}: get: tags: - accounting operationId: getOfferLineItem parameters: - name: offerId 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/OfferLineItemResponseDto' type: object components: schemas: BaseResponseDto: type: object properties: meta: $ref: '#/components/schemas/MetaResponse' data: oneOf: - type: object - type: array OfferLineItemResponseDto: type: object properties: id: type: string example: c1f85763-5be6-ee11-a201-6045bde98d28 accountCode: type: string example: '8400' accountId: type: string example: a23cc-334rn-finsd-438m createdDate: type: string example: '2021-01-01T00:00:00Z' description: type: string example: SYDNEY Schreibtischstuhl, grün itemId: type: string example: f9f6653e-5be6-ee11-a201-6045bde98d28 name: type: string example: GREEN CHAIR quantity: type: number example: 1 taxCode: type: string example: CODE.19 taxRatePercentage: type: number example: '19' taxType: type: string example: type-19 type: type: string enum: - COMMENT - ACCOUNT - ITEM - RESOURCE - VALUE - FIXED_ASSET - CHARGE example: ITEM totalDiscountAmount: type: number example: 10 totalDiscountPercentage: type: number example: 10 totalGrossAmount: type: number example: 109 totalNetAmount: type: number example: 100 totalTaxAmount: type: number example: 19 unitAmount: type: number example: 100 unitDiscountAmount: type: number example: 10 unitDiscountPercentage: type: number example: 10 unitName: type: string example: STÜCK 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' PaginationResponse: type: object properties: total: type: number example: 125 perPage: type: number example: 50 currentPage: type: number example: 1 totalPages: type: number example: 3 ````