> ## Documentation Index
> Fetch the complete documentation index at: https://docs2.zenskar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Approve V3 invoice

> Lean V3 invoice approval. Runs the approval-time tax reverify gate (pre-commit); on a material tax change beyond the org policy the invoice stays in draft (409). Accounting/webhooks/sync are not run by this endpoint yet.



## OpenAPI

````yaml /openAPI/openapi-20240301.json patch /invoices/v3/{invoice_id}/approve
openapi: 3.1.0
info:
  title: zenskar
  version: 2.0.0
servers:
  - url: https://api.zenskar.com
security:
  - ApiTokenAuth: []
    OrganisationAuth: []
paths:
  /invoices/v3/{invoice_id}/approve:
    patch:
      tags:
        - Invoices
      summary: Approve V3 invoice
      description: >-
        Lean V3 invoice approval. Runs the approval-time tax reverify gate
        (pre-commit); on a material tax change beyond the org policy the invoice
        stays in draft (409). Accounting/webhooks/sync are not run by this
        endpoint yet.
      operationId: Approve-V3-invoice
      parameters:
        - name: invoice_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
            title: Invoice Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    ApiTokenAuth:
      type: apiKey
      in: header
      name: x-api-key
      x-default: <your-api-key>
    OrganisationAuth:
      type: apiKey
      in: header
      name: organisation
      x-default: <your-organisation-id>

````