SwissSign Signature Service
Welcome to the developer portal of SwissSign Signature Service. Our product is available in the cloud and on-premises.
In this portal, you'll find integration guides to get started on our cloud service.
- Web Client Integration — Provides a signing URL for end users, combining hosted signing experience with full control over user flow and status tracking.
- Signing Room API — Fully managed signature workflow hosted 100% in Switzerland, with secure data handling and automatic deletion after retention.
- Hash Signing API — Enables highly confidential signing by exchanging only document digests, giving full control over PDF preparation and signature embedding.
- Document Certification API — Automatically applies an organisational seal to submitted documents, ensuring authenticity without involving signatories.
You'll also find developer guides to help you deploy and manage your own instance.
Planned maintenance
No maintenance planned yet.
Upcoming Features
Q3 2026
- An organization can customize its own visual signature
- Signers can apply multiple visual signatures on a document