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OpenAPI Specification

openapi: 3.2.0
info:
  title: einvoicewiz e-invoice Verify API
  version: 1.0.0
  description: Generate and validate EN 16931 e-invoices (Factur-X / ZUGFeRD 2.x PDF/A-3, XRechnung 3.0) for the German and French mandates. Deterministic pipeline (no AI), Mustang rule engine, failed validations are never charged. Every passing file gets a permanent verification certificate. 20 free credits on signup, then €9 / 500 credits.
  contact:
    email: support@einvoicewiz.com
  termsOfService: https://einvoicewiz.com/terms
servers:
- url: https://einvoicewiz.com
tags:
- name: Verify
paths:
  /api/verify/{id}:
    get:
      summary: Look up a verification certificate (free)
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Certificate
          content:
            application/json:
              schema:
                type: object
                properties:
                  cert:
                    $ref: '#/components/schemas/Certificate'
        '404':
          description: Unknown ID
      tags:
      - Verify
      operationId: getApiVerifyById
      x-operation-id-source: derived
  /api/verify:
    post:
      summary: Upload a file → certificates whose recorded SHA-256 matches it (free)
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                file:
                  type: string
                  format: binary
      responses:
        '200':
          description: Match result
          content:
            application/json:
              schema:
                type: object
                properties:
                  sha256:
                    type: string
                  matched:
                    type: boolean
                  certificates:
                    type: array
                    items:
                      $ref: '#/components/schemas/Certificate'
      tags:
      - Verify
      operationId: postApiVerify
      x-operation-id-source: derived
components:
  schemas:
    Certificate:
      type: object
      properties:
        id:
          type: string
        url:
          type: string
        issued:
          type: string
        kind:
          type: string
          enum:
          - generated
          - validated
        profile:
          type: string
        status:
          type: string
        errors:
          type: integer
        warnings:
          type: integer
        warning_messages:
          type: array
          items:
            type: string
        files:
          type: object
          additionalProperties:
            type: string
          description: filename → SHA-256
        engine:
          type: string
        statement:
          type: string
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: X-API-Key