E-Invoice API
ApiMustang

Combine PDF/A file and custom XML to zf/fx PDF. Input PDF must be PDF/A-1 or A-3, output PDF will be a ZUGFeRD/Factur-X PDF/A-3 file called invoice.pdf.

POST
/e-invoice/combineXML

Authorization

AuthorizationBearer <token>

Your API key as a bearer token: Authorization: Bearer of_live_…. An of_test_ key reaches the sandbox instead of the live service — same URL, no other change.

In: header

Query Parameters

format*string
version*integer
Formatint32
profile*string

Header Parameters

ignorePDFAErrors?boolean
returnJSON?boolean
USERNAME?string

Request Body

multipart/form-data

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/octet-stream

*/*

application/json

application/json

curl -X POST "https://example.com/e-invoice/combineXML?format=fx&version=2&profile=EN16931" \  -F file="string" \  -F XML="string"
Empty