Elster Interface

Lexware Tax Registration

SaaS Solution for Haufe-Lexware GmbH & Co. KG

Free application service for founders of small businesses to apply for their tax identification number online. Lexware has translated the tax office form into an interactive and easy-to-understand interview and uses our interface to transfer the data to the Elster service.

(This service is designed exclusively for the German Elster system.)

Description

XML API-based server application featuring an integrated ELSTER client module for the ELSTER tax registration questionnaire for sole proprietorships.

  • Input interface via HTTP POST requests. Support for one or more databases.
  • Internal data type validation during form processing.
  • Certificate management within the application configuration (one certificate per web server instance).
  • GDPR-compliant caching of input data for subsequent use in Intercom CRM.
  • Embedded database: PostgreSQL 15.

The application is extensible via additional modules offering further functions and forms.