> ## Documentation Index > Fetch the complete documentation index at: https://docs.plude.io/llms.txt > Use this file to discover all available pages before exploring further. # Duplicate invoice > Create a new invoice based on an existing invoice. ## OpenAPI ````yaml post /invoices/{invoiceId}/duplicate openapi: 3.0.1 info: title: Plude description: Headless subscription management and recurring billing. termsOfService: https://plude.com/terms contact: name: Corporate Contact url: https://plude.com/contact license: name: License url: https://plude.com/license version: v4.2024.7.1 servers: [] security: - Bearer: [] paths: /invoices/{invoiceId}/duplicate: post: tags: - Invoices summary: Duplicate invoice description: Create a new invoice based on an existing invoice. parameters: - name: invoiceId in: path description: Id of invoice to duplicate. required: true schema: type: string format: uuid - name: x-environment in: header description: >- Configure which environment the request will handle. If the provided credentials do not allow access to this specified environment, a 403 Forbidden response is returned. required: true schema: type: string format: uuid requestBody: description: Reques options. content: application/json: schema: $ref: '#/components/schemas/DuplicateInvoiceRequest' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/InvoiceDetail' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '403': description: Forbidden content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '404': description: Not Found content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '409': description: Conflict content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '422': description: Unprocessable Content content: application/json: schema: $ref: '#/components/schemas/ProblemDetails' '500': description: Internal Server Error components: schemas: DuplicateInvoiceRequest: type: object properties: reverse: type: boolean nullable: true additionalProperties: false InvoiceDetail: required: - createdAt - currency - customer type: object properties: memo: type: string nullable: true readOnly: true handle: type: string description: Unique invoice number. nullable: true readOnly: true status: $ref: '#/components/schemas/InvoiceStatusEnum' id: type: string format: uuid readOnly: true date: type: string format: date readOnly: true dueDate: type: string format: date nullable: true readOnly: true currency: type: string nullable: true createdAt: type: string format: date-time updatedAt: type: string format: date-time nullable: true customer: $ref: '#/components/schemas/InvoiceCustomer' items: type: array items: $ref: '#/components/schemas/InvoiceLine' nullable: true readOnly: true settlements: type: array items: $ref: '#/components/schemas/InvoiceSettlement' nullable: true readOnly: true totalExclVat: type: integer format: int64 readOnly: true totalVat: type: integer format: int64 readOnly: true totalInclVat: type: integer format: int64 readOnly: true totalDue: type: integer format: int64 readOnly: true type: $ref: '#/components/schemas/InvoiceTypeEnum' settlementStatus: $ref: '#/components/schemas/InvoiceSettlementStatus' additionalProperties: false ProblemDetails: type: object properties: type: type: string nullable: true title: type: string nullable: true status: type: integer format: int32 nullable: true detail: type: string nullable: true instance: type: string nullable: true additionalProperties: {} InvoiceStatusEnum: enum: - draft - booked type: string InvoiceCustomer: required: - handle - id - name type: object properties: id: type: string format: uuid handle: type: string nullable: true name: type: string nullable: true billingAddress: $ref: '#/components/schemas/Address' additionalProperties: false InvoiceLine: required: - id - quantity - unitAmount type: object properties: id: type: string description: Gets the unique identifier of the invoice line. format: uuid sku: type: string nullable: true readOnly: true title: type: string nullable: true readOnly: true description: type: string nullable: true readOnly: true periodStart: type: string format: date nullable: true readOnly: true periodEnd: type: string format: date nullable: true readOnly: true quantity: type: number description: Quantity or count of units billed by the line. Precision to 4. format: double unitAmount: type: integer description: Unit amount (in the invoice currency specified) for the line. format: int64 amount: type: integer description: >- Amount (in the invoice currency specified) for the line. This will always be equal to UnitAmount * Quantity - Discount. format: int64 readOnly: true taxAmount: type: integer description: >- Amount of tax, if the line is taxable. Auto calculated as a percentage of the line amount based on the tax rate, see Tax. format: int64 readOnly: true tax: $ref: '#/components/schemas/InvoiceLineTax' discount: $ref: '#/components/schemas/InvoiceLineDiscount' additionalProperties: false InvoiceSettlement: required: - amount - date type: object properties: date: type: string format: date amount: type: integer format: int64 reference: type: string nullable: true note: type: string nullable: true additionalProperties: false InvoiceTypeEnum: enum: - invoice - credit_note type: string InvoiceSettlementStatus: enum: - settled - over_settled - under_settled - not_settled type: string Address: type: object properties: street1: type: string nullable: true street2: type: string nullable: true postalCode: type: string nullable: true city: type: string nullable: true county: type: string nullable: true country: type: string nullable: true state: type: string nullable: true additionalProperties: false InvoiceLineTax: type: object properties: taxable: type: boolean description: When true, tax is applied to the line. If false, tax is 0. taxCode: type: string description: Tax code. nullable: true taxRate: type: number description: Tax rate (percentage, 0.255 = 25.5%) for the line. Precision to 4. format: double additionalProperties: false InvoiceLineDiscount: type: object properties: percentage: type: number format: double amount: type: integer format: int64 additionalProperties: false securitySchemes: Bearer: type: http description: "JWT Authorization header using the Bearer scheme. \r\n\r\n Enter 'Bearer' [space] and then your token in the text input below.\r\n\r\nExample: \"Bearer 12345abcdef\"" scheme: Bearer ````