> ## 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. # Revertir pago > Revierte un pago aplicado y recalcula el estado de pago de la compra. **Permiso requerido:** `payables.payments` ## OpenAPI ````yaml /api-reference/openapi.json post /payables/payments/{paymentId}/reverse openapi: 3.0.3 info: title: FileXpress API Externa version: 1.0.0 description: >- API para integrar sistemas de terceros con FileXpress: facturación, RRHH, contabilidad, inventario, proyectos, cuentas por cobrar y pagar, tesorería, precios y promociones y caja. 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 - name: Inventario - name: Proyectos - name: Cuentas por cobrar - name: Cuentas por pagar - name: Tesorería - name: Precios y promociones - name: Caja paths: /payables/payments/{paymentId}/reverse: post: tags: - Cuentas por pagar summary: Revertir pago description: |- Revierte un pago aplicado y recalcula el estado de pago de la compra. **Permiso requerido:** `payables.payments` parameters: - name: paymentId in: path required: true description: ID del pago schema: type: string format: uuid example: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 - $ref: '#/components/parameters/IdempotencyKey' requestBody: required: false content: application/json: schema: $ref: '#/components/schemas/ReverseRequest' example: reason: Pago duplicado responses: '200': description: Éxito content: application/json: schema: type: object required: - status - data properties: status: type: boolean example: true data: $ref: '#/components/schemas/PayableReversal' example: status: true data: reversed_payment: payment_id: 3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01 original_amount: 300 reversal_reason: Pago duplicado reversed_at: '2026-10-06T16:00:00-06:00' expense_info: expense_id: 9d1c5a3e-4b7f-4e2a-9c1d-2f6b8a0e7c11 generation_code: A1B2C3D4-0000-4C5D-9E6F-0A1B2C3D4E5F total_amount: 452 total_paid: 0 pending_amount: 452 payment_status: pending accounting: action: reversed journal_entry_id: 3b8e2f10-7c4d-4a9e-b1f2-5d6c7e8f9a01 entry_code: DIA-000145 status: PROCESADA headers: Idempotent-Replayed: $ref: '#/components/headers/IdempotentReplayed' '401': $ref: '#/components/responses/E401' '403': $ref: '#/components/responses/E403' '404': description: No encontrado o de otro negocio content: application/json: schema: $ref: '#/components/schemas/Error' example: status: false message: Payment not found '409': description: Pago ya revertido o conflicto de idempotencia content: application/json: schema: $ref: '#/components/schemas/Error' examples: reversed: summary: Pago ya revertido value: status: false message: El pago ya fue revertido. idem_body: summary: Idempotency-Key reutilizada con otro cuerpo value: status: false message: >- This Idempotency-Key was already used with a different request. idem_busy: summary: Petición con la misma llave en proceso value: status: false message: >- A request with this Idempotency-Key is already being processed. '422': description: Error de validación content: application/json: schema: $ref: '#/components/schemas/Error' example: status: false message: Validation errors errors: reason: - The reason must not be greater than 500 characters. '429': $ref: '#/components/responses/E429' components: parameters: IdempotencyKey: name: Idempotency-Key in: header required: false description: >- Opcional. Llave única por operación (máx. 100 caracteres, vale 24 h por integración). Un reintento con la misma llave y el mismo cuerpo devuelve la respuesta original (header `Idempotent-Replayed: true`) sin repetir la operación; con otro cuerpo, o mientras la primera sigue en proceso, responde 409. schema: type: string maxLength: 100 example: pago-2026-10-06-000123 schemas: ReverseRequest: type: object properties: reason: type: string maxLength: 500 description: Motivo (por defecto "Payment reversed"). PayableReversal: type: object properties: reversed_payment: type: object properties: payment_id: type: string format: uuid original_amount: type: number reversal_reason: type: string reversed_at: type: string format: date-time required: - payment_id expense_info: type: object properties: expense_id: type: string format: uuid generation_code: type: string total_amount: type: number total_paid: type: number pending_amount: type: number payment_status: type: string description: Estado de pago. enum: - pending - partial - payed required: - expense_id - pending_amount - payment_status accounting: $ref: '#/components/schemas/ReversalAccounting' required: - reversed_payment - expense_info Error: type: object properties: status: type: boolean example: false message: type: string errors: type: object additionalProperties: type: array items: type: string description: Errores por campo (solo en validación). required: - status - message ReversalAccounting: type: object properties: action: type: string description: Efecto en la partida contable del pago. enum: - none - deleted - reversed journal_entry_id: type: string format: uuid nullable: true entry_code: type: string nullable: true status: type: string nullable: true required: - action headers: IdempotentReplayed: description: >- `true` cuando la respuesta es la repetición de una petición anterior con la misma Idempotency-Key. schema: type: string enum: - 'true' 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 E429: description: Límite de peticiones excedido content: application/json: example: status: false message: Rate limit exceeded. Please try again later. rate_limit: 100 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.