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QUALIFIED TRUST SERVICES

Legally compliant digital signatures (eIDAS) to drive forward the digitalization of your business processes.

CORPORATE TRUST SERVICES

Cryptography-based trust services
to protect your digital identities,
data and business secrets.

Qualified electronic signature products based on eIDAS - legally binding and secure.

API GUIDE

Upgrade your application with electronic signatures by primesign.





DOCUMENT SIGNING API

Signing of PDF documents. primesign handles document processing and adds a visual signature stamp.

HASH SIGNING API

Signing of hash values. Your application handles document processing and provides the document viewer.

CASH BOX API

RKSV-compliant JWS- or raw signatures for cash box receipts.





primesign TRUST CENTER

All documents for our qualified trust services, certificate revocation list, root-/CA- certificates, etc.

RESOURCES

Fact sheets, product documentation and more.



BLOG

Insights on digital signatures, eIDAS and trust services.

FAQ

Answers on electronic signatures, eIDAS levels and enterprise signing.

FAQ

CASH REGISTER INTEGRATION

Signing of receipts in compliance with Austrian cash register regulations using a smart card or remote signing.

SIGNATURE CARD REPLACEMENT & MIGRATION OFFER

The formal authorization for the card type on which the primesign signature cards currently in use are based will not be extended beyond May 2027. After that date, these cards will no longer meet the legal requirements for cash registers. This affects all providers of this card type in Austria, not just primesign. 


Action required by May 2027.

Get an overview of your options now.

INSTANT REPLACEMENT CUSTOMERS

New signature card free of charge.

Compatibility with your cash register system must be confirmed in advance with your POS sysetm manufacturer or IT service provider.


Alternatively:
Switch to remote signing; no registration fee applies. Compatibility must be confirmed in advance with your POS system manufacturer or IT service provider.
Learn more about cash register remote signing

SIGNATURE CARDS PURCHASED ON OR AFTER MAY 1, 2025

New signature card free of charge.
Compatibility with your cash register system must be confirmed in advance with your POS sysetm manufacturer or IT service provider.


Alternatively:
Switch to remote signing; no registration fee applies. Compatibility must be confirmed in advance with your POS system manufacturer or IT service provider. Learn more about cash register remote signing

SIGNATURE CARDS PURCHASED UP TO APRIL 30, 2025

RKSV products are available as usual.
Signature Card
Cash Register Remote Signing
Compatibility with your cash register system must be confirmed in advance with your POS system manufacturer or IT service provider for both options.

Receipt Signing

We offer solutions for businesses of all sizes—whether in the cloud, in your own data center, or via smart cards.