The Fakturia API is an OpenAPI based interface using the REST standard.

It allows developers to directly interact with our application via HTTPS exchanging data in the JSON format.

Endpoint for all API calls:

	Production	Sandbox
Endpoint	https://api.fakturia.de/api/v1/	https://api.sandbox.fakturia.de/api/v1/
API-Reference	https://api.fakturia.de/documentation/	https://api.sandbox.fakturia.de/documentation/
Swagger File	https://api.fakturia.de/api/openapi.json	https://api.sandbox.fakturia.de/api/openapi.json

Timestamps are handled in ISO 8601 format (yyyy-MM-dd'T'HH:mm:ss in Java)

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 headers in every request to authorize against our service:

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