The Fakturia API is an open interface using the REST standard. It allows developers to directly interact with our application.

Endpoint for all API calls: https://api.fakturia.de/v1/

Prerequisites

The API can only be accessed if the following conditions are true:

Your Fakturia plan includes API access
The API is activated in the backend for at least one project
An API-Key has been generated in the backend
The IP address of your client has been added to the IP whitelist for the project

Authorization

URL	GET	POST	PUT
/Customers	Liste aller Kunden	Neuen Kunden anlegen
/Customers/:CustomerId	Bestimmten Kunden laden		Bestehenden Kunden aktualisieren
/Customers/:CustomerId/Contracts	Liefert alle Verträge eines Kunden
/Contracts	Alle Verträge auflisten	(Neuen Vertrag anlegen)
/Contracts/:ContractId/Transactions	Alle Leistungen zum Vertrag auflisten	Neue Leistung zum Vertrag erfassen
/Invoices	Liste aller Rechnungen