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DATEV API: Production approval, services & secure authentication

Everything you need to get started with DATEV API integration — from services and sandbox setup to authentication and production approval.

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Dr. Themo Voswinckel

March 30, 2026

DATEV API: Production approval, services & secure authentication

What You’ll Learn:

  • Understanding DATEV Services & API Products: Discover how DATEV services map to specific APIs. Learn where to find the right APIs for your integration. Explore key services such as Belegbilderservice, Rechnungsdatenservice, and Buchungsdatenservice.
  • Sandbox & Production Approval: How to Build and Test Integrations. Learn how to set up your DATEV Developer Account and register an app. Understand how to test APIs using the DATEV sandbox environment. Navigate the approval process to move from sandbox to production.
  • DATEV Authentication & Login Methods: Explore different authentication methods, from SmartCards to SSO. Understand security best practices for secure API access. Learn how to choose the right authentication method for your use case.

Unlock the Power of DATEV APIs with Maesn

Join us for an exclusive webinar exploring the essential aspects of DATEV APIs, from service mapping and integration to testing and authentication.


In this episode Michelle, our DATEV expert will equip you with the knowledge to successfully integrate and deploy DATEV’s API solutions.Whether you're an experienced developer or just getting started with DATEV, this live session is a must.

About the author

Themo is CEO and Co-Founder of Maesn. With years in strategy consulting — spanning requirements engineering for complex software landscapes, ERP and accounting software selections, and end-to-end integration projects — he holds a Dr.-Ing. with a focus on ERP-to-SaaS transformation. He co-founded Maesn to make system integration effortless.

Dr. Themo Voswinckel

Co-Founder

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