> For the complete documentation index, see [llms.txt](https://docs.signius.eu/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.signius.eu/welcome/welcome-to-signius.md).

# Welcome to SIGNIUS

## Getting started

We've put together some helpful guides for you to get started with our products quickly and easily.

## Contact SIGNIUS

Should you have any questions or would you like to chat with one of our experts, please get in touch with us via <connect@signius.eu>

## SIGNIUS API Documentation

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-type="image">Cover image</th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><strong>PROFESSIONAL</strong></td><td><p>Cloud based eIDAS compliant document signing platform.</p><p></p><p>Fully integrated AdES, QES with instant user identity verification.</p></td><td></td><td><a href="/spaces/AYbulpdLC0WzUkMqXPkv">/spaces/AYbulpdLC0WzUkMqXPkv</a></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td></tr><tr><td><strong>PROFESSIONAL RA</strong></td><td>This documentation describes usage of RA requests for SIGNIUS API</td><td></td><td><a href="/spaces/bzqR3iHS8rSuFZjbANxJ">/spaces/bzqR3iHS8rSuFZjbANxJ</a></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td></tr><tr><td><strong>PROFESSIONAL HEADLESS</strong></td><td>The API to access eIDAS compliant AdES and QES signing features along with user identity verification from any business application.</td><td></td><td><a href="/spaces/SeXBiWY6b3bNA3Klj03S">/spaces/SeXBiWY6b3bNA3Klj03S</a></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td></tr><tr><td><strong>PROFESSIONAL HEADLESS PDF</strong></td><td>The API allows you to integrate document signing into your application, keeping the SIGNIUS Portal hidden from the end-user.</td><td></td><td><a href="/spaces/IRuldT8Y2pWeA5svhhSj">/spaces/IRuldT8Y2pWeA5svhhSj</a></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td></tr><tr><td><strong>SEAL</strong></td><td>Automated and high-perfomance bulk document sealing, timestamping and signature verification.<br><br>Applicable to cloud, hybrid and on-prem deployments.</td><td></td><td><a href="/spaces/LcKVZXOrBb4jDUyxEWMc">/spaces/LcKVZXOrBb4jDUyxEWMc</a></td><td></td><td><a href="/files/z1RrB6O6P0Zijtwcoj33">/files/z1RrB6O6P0Zijtwcoj33</a></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

## SIGNIUS User manuals

### SIGNIUS Professional

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>PROFESSIONAL EN</strong></td><td></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td><td><a href="https://docs.signius.eu/signius-professional-platform-en/">https://docs.signius.eu/signius-professional-platform-en/</a></td></tr><tr><td><strong>PROFESSIONAL PL</strong></td><td></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td><td><a href="https://docs.signius.eu/signius-professional-platform-pl/">https://docs.signius.eu/signius-professional-platform-pl/</a></td></tr><tr><td><strong>PROFESSIONAL DE</strong></td><td></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td><td><a href="https://docs.signius.eu/signius-professional-platform-de">https://docs.signius.eu/signius-professional-platform-de</a></td></tr><tr><td><strong>PROFESSIONAL UA</strong></td><td></td><td></td><td><a href="/files/hw5TijmvhoRttmem5DMk">/files/hw5TijmvhoRttmem5DMk</a></td><td><a href="https://docs.signius.eu/signius-professional-platform-ua">https://docs.signius.eu/signius-professional-platform-ua</a></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

### SIGNIUS Seal

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>SEAL EN</strong></td><td></td><td></td><td><a href="/files/z1RrB6O6P0Zijtwcoj33">/files/z1RrB6O6P0Zijtwcoj33</a></td><td><a href="/spaces/w5TMyNwedzxaS12KAAVm">/spaces/w5TMyNwedzxaS12KAAVm</a></td></tr><tr><td><strong>SEAL PL</strong></td><td></td><td></td><td><a href="/files/z1RrB6O6P0Zijtwcoj33">/files/z1RrB6O6P0Zijtwcoj33</a></td><td><a href="/spaces/tezBHuvK2g3tBmuL6LEV">/spaces/tezBHuvK2g3tBmuL6LEV</a></td></tr><tr><td><strong>SEAL DE</strong></td><td></td><td></td><td><a href="/files/z1RrB6O6P0Zijtwcoj33">/files/z1RrB6O6P0Zijtwcoj33</a></td><td><a href="/spaces/mfL8gXHCCIIzHNIdqQDf/pages/X50jXOA0IlM5VckaNBKX">/spaces/mfL8gXHCCIIzHNIdqQDf/pages/X50jXOA0IlM5VckaNBKX</a></td></tr></tbody></table>

### SIGNIUS Harmony Desktop

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>HARMONY Desktop EN</strong></td><td></td><td></td><td><a href="/files/TRD2fKdC75kgs7E46zi8">/files/TRD2fKdC75kgs7E46zi8</a></td><td><a href="/spaces/SY3ja4lC6TecgJ6yb2I2">/spaces/SY3ja4lC6TecgJ6yb2I2</a></td></tr><tr><td><strong>HARMONY Desktop PL</strong></td><td></td><td></td><td><a href="/files/TRD2fKdC75kgs7E46zi8">/files/TRD2fKdC75kgs7E46zi8</a></td><td><a href="/spaces/MFuyDdfR6cZOrjFMYsoM">/spaces/MFuyDdfR6cZOrjFMYsoM</a></td></tr><tr><td><strong>HARMONY Desktop DE</strong></td><td>Coming soon</td><td></td><td></td><td></td></tr></tbody></table>

## Legal & Compliance

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><p><strong>Terms and conditions</strong></p><p><strong>Privacy notice</strong></p><p><strong>Business continuity</strong></p><p><strong>Data processing</strong></p><p><strong>CP/CPS</strong><br></p></td><td></td><td></td><td></td><td><a href="/spaces/xzahbvW9SfOzD5Xd05vk">/spaces/xzahbvW9SfOzD5Xd05vk</a></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>