> ## Documentation Index
> Fetch the complete documentation index at: https://docs.timbrix.mx/llms.txt
> Use this file to discover all available pages before exploring further.

# Download the CFDI's representación impresa (PDF)

> Authenticate with either a Supabase session (member of the invoice's organization) or an API key belonging to that same organization. The PDF is generated on demand from the stamped XML — nothing is persisted.



## OpenAPI

````yaml https://api.timbrix.mx/api/openapi.json get /invoices/{uuid}/pdf
openapi: 3.0.0
info:
  title: Timbrix API
  description: >-
    API de facturación electrónica CFDI 4.0 para México, con servidor OAuth2
    para gestionar organizaciones, miembros y webhooks. Compatible con agentes
    de IA — ver la extensión `x-ai-agent-friendly` en la raíz de esta spec.


    REST API with OAuth2 server for managing organizations, members, and
    webhooks.
  version: '1.0'
  contact: {}
servers: []
security: []
tags:
  - name: organizations
    description: Organization management endpoints
  - name: oauth
    description: OAuth2 authentication and authorization
  - name: webhooks
    description: Webhook configuration and delivery
  - name: users
    description: User information endpoints
  - name: api-keys
    description: API Keys management and validation
paths:
  /invoices/{uuid}/pdf:
    get:
      tags:
        - invoices
      summary: Download the CFDI's representación impresa (PDF)
      description: >-
        Authenticate with either a Supabase session (member of the invoice's
        organization) or an API key belonging to that same organization. The PDF
        is generated on demand from the stamped XML — nothing is persisted.
      operationId: InvoicesController_downloadPdf
      parameters:
        - name: uuid
          required: true
          in: path
          schema:
            type: string
      responses:
        '200':
          description: PDF del CFDI
        '403':
          description: Caller does not belong to the invoice's organization
        '404':
          description: uuid does not match any invoice
      security:
        - apiKey: []
        - bearer: []
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: 'API Key for authentication (format: sk_...)'
    bearer:
      scheme: bearer
      bearerFormat: JWT
      type: http

````