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

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

Include the following HTTP-Header variables in every request to authorize against our service:

Header variable name	value
api-key	{your api key - see project settings in the backoffice}

Access Points

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