Skip to content
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 REGISTER INTEGRATION

Legally compliant JWS and raw signatures for cash register receipts.





Developer_SQ
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

Enterprise-Grade Signing: Frequently Asked Questions

Answers to common questions about signing at enterprise scale: API integration, signature workflows, bulk signing, deployment models and compliance.