eInvoice Signature as a Service

eInvoice Signature as a Service

Utimaco’s solution to applying eIDAS-compliant Qualified Electronic Signatures to tax-relevant documents for legal and compliance requirements.

Download the TaaS Datasheet
  • Overview
  • Key Features
  • Description
  • Specifications
The eIDAS-Compliant Solutions for Qualified Electronic Signatures

The eIDAS-Compliant Solutions for Qualified Electronic Signatures

eInvoice Signature as a Service provides eIDAS-compliant Qualified Electronic Signatures, ensuring compliance and legal confidence in digital workflows.

  • Key Features

  • Description

  • Specifications

eInvoice Signature as a Service delivers eIDAS-compliant Qualified Electronic Signatures to ensure invoices and business documents meet European tax regulations.

This service enables the generation, validation, and archiving of signatures to maintain authenticity and integrity under VAT Directive requirements. Designed for high availability and seamless integration, it secures invoices, orders, delivery notes, and financial records, ensuring compliance and legal confidence in digital workflows.

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Cryptographic Interfaces (APIs)
  • Supported Interfaces

  • Compliance

  • Supported Use Cases

Supported Interfaces

  • REST interface:
    REST interface with an encrypted connection (HTTPs) for transmission, pickup, and status query for data/documents to be signed, stamped, archived, and checked.
  • Data traffic encryption via TLS
  • Authentication via account credentials
  • Maximum file size, unless otherwise agreed, 15 MB
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Compliance

  • Art. 41, Paras. 1,2,3 REGULATION (EU) 910/2014 eIDAS
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Supported Use Cases

  • eIDAS compliant Qualified Electronic Signatures
  • Legal authenticity and integrity of invoices and business documents according to European tax regulations
  • Generation, validation, and archive of signatures, to meet the VAT Directive’s demands for authenticity of origin and integrity of content
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Certifications and Compliance

All eInvoice Signature as a Service models are certified to:

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