> ## Documentation Index > Fetch the complete documentation index at: https://docs.filexpress.app/llms.txt > Use this file to discover all available pages before exploring further. # Crear venta (DTE) > Emite un documento de venta. El sistema externo debe enviar los desgloses fiscales y totales calculados. **Permiso requerido:** `sales` ## OpenAPI ````yaml /api-reference/openapi.json post /sales openapi: 3.0.3 info: title: FileXpress API Externa version: 1.0.0 description: >- API para integrar sistemas de terceros con FileXpress: facturación, RRHH y contabilidad. servers: - url: https://api.filexpress.app/api/external description: Producción security: - ApiKey: [] tags: - name: General - name: Facturación · Ventas - name: Facturación · Compras - name: Facturación · Clientes - name: Facturación · Proveedores - name: Facturación · Productos - name: Catálogos - name: RRHH · Empleados - name: RRHH · Asistencia - name: RRHH · Permisos - name: RRHH · Planillas - name: Contabilidad paths: /sales: post: tags: - Facturación · Ventas summary: Crear venta (DTE) description: >- Emite un documento de venta. El sistema externo debe enviar los desgloses fiscales y totales calculados. **Permiso requerido:** `sales` requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/SaleRequest' example: branch_id: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 customer_id: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 document_type: fc date: '2026-10-01T10:00:00' observation: Entrega en bodega central is_credit: false credit_days: 0 payment_details: - code: '01' payment_method: Efectivo amount: 22.6 reference: '' products: - id: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 sku: PRD-001 name: Producto A quantity: 2 price_before_taxes: 10 sale_not_suject: 0 sale_exent: 0 sale_taxed: 20 subtotal: 20 discount: 0 type: phisical totals: netTotals: 20 saleTotalNotSuject: 0 saleTotalExent: 0 saleTotalTax: 20 totalTax: 2.6 totalRetein: 0 totalRent: 0 freight: 0 insurance: 0 saleTotalToPayment: 22.6 responses: '200': description: Documento emitido content: application/json: example: status: true message: Invoice created successfully data: sale_id: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 generation_code: 6F1E2D3C-8A4B-4C5D-9E6F-0A1B2C3D4E5F control_number: DTE-01-M001P001-000000000000001 status: processed issue_time: '2026-10-01 10:30:00' stamp: 2026A1B2C3D4E5F6 total: 22.6 '401': $ref: '#/components/responses/E401' '403': $ref: '#/components/responses/E403' '404': $ref: '#/components/responses/E404' '422': $ref: '#/components/responses/E422' '429': $ref: '#/components/responses/E429' '500': $ref: '#/components/responses/E500' components: schemas: SaleRequest: type: object properties: branch_id: type: string format: uuid description: Sucursal emisora (GET /branches). customer_id: type: string format: uuid description: Cliente receptor. document_type: type: string description: 'SV: fc, ccf, fex, nc, nd, nr. US: inv, cm, dm.' enum: - fc - ccf - fex - nc - nd - nr - inv - cm - dm date: type: string description: Fecha y hora ISO 8601. Por defecto, ahora. observation: type: string description: Observaciones. is_credit: type: boolean description: Venta al crédito. credit_days: type: integer description: Días de crédito. project_id: type: string format: uuid description: Proyecto asociado. incoterm_id: type: string format: uuid description: Incoterm (exportación). payment_details: type: array items: type: object properties: code: type: string description: Código de forma de pago (GET /payment-methods). payment_method: type: string description: Nombre. amount: type: number description: Monto. reference: type: string description: Referencia. required: - amount products: type: array items: type: object properties: id: type: string format: uuid description: Producto en FileXpress (descuenta inventario). sku: type: string description: Código. name: type: string description: Descripción. quantity: type: number description: Cantidad. price_before_taxes: type: number description: Precio unitario sin impuestos. sale_not_suject: type: number description: No sujeto. sale_exent: type: number description: Exento. sale_taxed: type: number description: Gravado. subtotal: type: number description: Subtotal sin impuestos. discount: type: number description: Descuento. type: type: string description: Bien o servicio. enum: - phisical - service required: - name - quantity - price_before_taxes - subtotal totals: type: object properties: netTotals: type: number description: netTotals saleTotalNotSuject: type: number description: saleTotalNotSuject saleTotalExent: type: number description: saleTotalExent saleTotalTax: type: number description: saleTotalTax totalTax: type: number description: totalTax totalRetein: type: number description: totalRetein totalRent: type: number description: totalRent freight: type: number description: freight insurance: type: number description: insurance saleTotalToPayment: type: number description: saleTotalToPayment required: - branch_id - customer_id - document_type - products - payment_details - totals responses: E401: description: API Key ausente o inválida content: application/json: example: status: false message: Invalid API Key. E403: description: Integración sin el permiso requerido o desactivada content: application/json: example: status: false message: This integration does not have the 'hr.employees' permission. required_scope: hr.employees E404: description: Recurso inexistente o de otro negocio content: application/json: example: status: false message: Not found. E422: description: Error de validación content: application/json: example: status: false message: Validation errors errors: start_date: - The start date field is required. E429: description: Límite de peticiones excedido content: application/json: example: status: false message: Rate limit exceeded. Please try again later. rate_limit: 100 E500: description: Error interno content: application/json: example: status: false message: An error occurred while creating the invoice securitySchemes: ApiKey: type: apiKey in: header name: X-API-Key description: API Key de la integración (Integraciones → Nueva Integración). ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.