DATEVconnect Gateway

Connect your systems with DATEV – fast, secure, and easy.

What is the DATEVconnect Gateway?

DATEVconnect is the official interface for securely connecting to DATEV desktop applications. With our gateway, you bring this technology to the cloud – without additional infrastructure.

DATEV Documentation for Desktop APIs

Full Support

Direct connection to DATEV, compatible with PARTNERasp, DATEVasp & DATEVnet.

Minimal Installation

Easy setup by IT partners or DATEV, no maintenance required.

100% Data Protection

No data storage – all transmissions are GDPR-compliant.

Code Example: Retrieve Client Information

curl --request GET \
--url 'https://api.klardaten.com/datevconnect/master-data/v1/clients?top=1' \
--header 'authorization: Bearer ey...k8' \
--header 'x-client-instance-id: b39b7d37-3288-4087-9624-de5fc17ce8ba'
[
{
"timestamp": "2024-01-18T08:13:13.307",
"number": 10000,
"name": "Smith & Partners",
"type": "legal_person",
"status": "active",
"legal_person_id": "a1b2c3d4-1234-5678-90ab-cdef12345678",
"organization_id": "b2c3d4e5-2345-6789-0abc-def123456789",
"organization_number": 80000,
"organization_name": "Smith & Partners",
"establishment_id": "c3d4e5f6-3456-7890-abcd-ef1234567890",
"establishment_number": 2,
"establishment_name": "Test Str. 42, 10827 Berlin",
"establishment_short_name": "SPMain.42",
"id": "d4e5f6g7-4567-8901-bcde-f12345678901"
}
]

Onboarding & Installation

  1. Technical setup by your IT partner or DATEV (DATEVasp)
  2. Testing and validating the connection
  3. Go-live & productive use – we provide support in the background

Monitoring & Support

We automatically monitor the connection and proactively inform you in case of errors.

What Customers Say

We’ve been using the Klardaten Gateway for 16 months and couldn’t be happier with the impact on our business. The interface is incredibly stable, downtime is non-existent, and the admin effort for managing DATEV connections has dropped sharply. On top of that, their support is outstanding. The Klardaten team is professional and always willing to step in, even helping our customers directly with complex setups when our internal team needed backup.
milia GmbH

Stefan Johne

DATEV-Beauftragter, milia GmbH

With Klardaten, we found a powerful and straightforward way to connect customer systems to our time tracking application. The continuous development and lightning-fast support make the Klardaten team the only option for us.
atflow GmbH

Niklas van Riesen

CEO, atflow GmbH

I really appreciate the communication with your team. It feels like we are all pulling in the same direction, and we can rely on proactive responses whenever errors occur within the interface.
fino kanzleidrive GmbH

Carina Osthold

Director Business Relations, fino kanzleidrive GmbH

See Where Automation Can Save Time First

Tell us how your firm works today. We’ll show you where Klarvos, our API, or our DATEV integrations can reduce manual work and create the most value.