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DATEV Rechnungsdatenservice 1.0: Booking Proposals API Demo

A practical walkthrough of DATEV Rechnungsdatenservice 1.0, from creating booking proposals to error handling, compliance, and how Maesn's Unified API simplifies the entire integration.

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Dr. Themo Voswinckel

March 30, 2026

DATEV API Demo: Step-by-Step Guide to Creating Booking Proposals using Rechnungsdatenservice 1.0

What you will learn in this webinar

  • Step-by-step guide to creating booking proposals with DATEV Rechnungsdatenservice 1.0
  • How to seamlessly integrate with DATEV's APIs and navigate its endpoints
  • Best practices for error handling, data validation, and compliance
  • How to leverage the a Unified API like Maesn for a simplified and more efficient DATEV integration

Master DATEV APIs with a Hands-On Live Demo

Join us for the next exclusive live webinar where Michelle, our DATEV expert, will walk you through the process of creating booking proposals using Rechnungsdatenservice 1.0—all in real time.

Integrating with DATEV can be complex, but we are here to make it simple for your team.

Whether you are an experienced developer, a finance professional, or just getting started with DATEV integrations, this session is packed with practical insights to help you streamline your workflows.



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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