einvoicewiz Generate API
The Generate API from einvoicewiz — 1 operation(s) for generate.
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curl "https://apis.io/api/v1/apis/einvoicewiz-com:einvoicewiz-com-generate-api"
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OpenAPI Specification
openapi: 3.2.0
info:
title: einvoicewiz e-invoice Generate 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: Generate
paths:
/v1/generate:
post:
summary: Invoice JSON → validated EN 16931 CII XML (1 credit)
security:
- ApiKey: []
parameters:
- name: profile
in: query
schema:
type: string
enum:
- en16931
- xrechnung
default: en16931
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/Invoice'
responses:
'200':
description: Validated XML + certificate
content:
application/json:
schema:
type: object
properties:
xml:
type: string
profile:
type: string
validation:
type: object
verify:
$ref: '#/components/schemas/Verify'
credits_left:
type: integer
'422':
description: Generated XML failed validation — not charged; body lists violated rules
'402':
description: Out of credits
tags:
- Generate
operationId: postV1Generate
x-operation-id-source: derived
components:
schemas:
Verify:
type: object
properties:
id:
type: string
example: EIW-3F9A1C2B7D0E
url:
type: string
format: uri
Invoice:
type: object
required:
- invoice_number
- issue_date
- currency
- seller
- buyer
- lines
properties:
doc_type:
type: integer
enum:
- 380
- 381
- 384
default: 380
description: 380 invoice, 381 credit note, 384 correction
invoice_number:
type: string
issue_date:
type: string
format: date
due_date:
type:
- string
- 'null'
format: date
delivery_date:
type:
- string
- 'null'
format: date
currency:
type: string
example: EUR
buyer_reference:
type:
- string
- 'null'
description: Leitweg-ID (BT-10). Required for XRechnung.
order_reference:
type:
- string
- 'null'
seller:
type: object
required:
- name
- country
properties:
name:
type: string
line_one:
type: string
postcode:
type: string
city:
type: string
country:
type: string
vat_id:
type: string
tax_number:
type: string
contact_email:
type: string
contact_phone:
type: string
email:
type: string
buyer:
type: object
required:
- name
- country
properties:
name:
type: string
line_one:
type: string
postcode:
type: string
city:
type: string
country:
type: string
vat_id:
type: string
email:
type: string
payment:
type: object
properties:
iban:
type: string
bic:
type: string
terms:
type: string
notes:
type: array
items:
type: string
prepaid:
type: number
default: 0
exemption_reason:
type:
- string
- 'null'
lines:
type: array
minItems: 1
items:
type: object
required:
- name
- qty
- unit_price
- vat_rate
properties:
name:
type: string
description:
type: string
qty:
type: number
unit:
type: string
enum:
- piece
- hour
- day
- kg
- litre
- month
- km
- lump
- m2
- m
default: piece
unit_price:
type: number
vat_rate:
type: number
vat_category:
type: string
enum:
- S
- Z
- E
- AE
- K
- G
- O
securitySchemes:
ApiKey:
type: apiKey
in: header
name: X-API-Key