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Step-by-Step Integration

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This guide walks you through the complete process of integrating the fiskaly SIGN AT API via the Unified API for Austrian fiscal compliance (RKSV).

  • A fiskaly account with access to the SIGN AT product
  • API credentials (API Key and API Secret) from HUB
  • FinanzOnline credentials (Teilnehmer-ID, Benutzer-ID, and PIN) for the taxpayer
  • Familiarity with the Unified API concepts
  1. Create an Organization on HUB to represent your business entity.

  2. Register a Taxpayer under your Organization with the required Austrian tax identification details (Steuernummer and UID-Nummer).

  3. Supply the FinanzOnline portal credentials (Teilnehmer-ID, Benutzer-ID, and PIN) for the taxpayer to enable communication with the Austrian tax authority.

  4. Set up a Location representing the physical point of sale.

  5. Create and commission a System (Registrierkasse) at your Location. The System will be registered with FinanzOnline.

  6. Use the Unified API to create transactions (receipts, invoices) that are signed in compliance with RKSV requirements.

For the full API specification, see the SIGN AT API Reference.

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