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QUALIFIED TRUST SERVICES

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

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CORPORATE TRUST SERVICES

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

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

INDIVIDUAL
ENTERPRISE
OEM
PRODUCTS

Easy-to-use, legally secure and flexible. Simple as that.

ONLINE SHOP
API GUIDE

Upgrade your application with electronic signatures by primesign.





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DOCUMENT SIGNING API

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

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HASH SIGNING API

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

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CASH BOX API

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





DOCUMENTATION
primesign TRUST CENTER

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

TRUST CENTER
RESOURCES

Fact sheets, product documentation and more.



RESOURCES

03.04 Free Download (v1.4) Here

Essential for industrial automation users to ensure seamless bus communication and hardware interoperability. Official Resource: Siemens Industry Support 2. Apex Launcher Patcher (v1.4)

Use caution when downloading from non-official repositories, as these files are unverified. 3. Delta VFD-M Series (Manual/Firmware 03.04) 03.04 Free Download (v1.4)

Requires careful selection between two .upd files depending on your CPU's hardware version (V3 or lower vs. V4). Essential for industrial automation users to ensure seamless

Necessary for businesses needing to stay compliant with fiscal reporting and barcode marking standards. 03.04 Free Download (v1.4)