Sign API v2 release notes

Added support for configuring pre-authentication identity providers

2026-09-24T00:00:00.000Z

We have added support for configuring pre-authentication identity providers independently of signing identity providers.

Use preAuthentication.identityProviders to configure pre-authentication identity providers independently of the signing identity providers configured in signingSetup.identityProviders.

Added signature forwarding, reject/cancel options, mandatory document viewing and Smart-ID/Estonian ID-card PKI signing

2026-09-11T00:00:00.000Z

We have introduced Smart-ID and Estonian ID-card PKI signing, alongside signature forwarding, reject/cancel options, mandatory view actions, and PKI sealing archiving.

This release includes the following updates:

Smart-ID (smartid) Public Key Infrastructure (PKI) signing.
Estonian ID-card (esteid) Public Key Infrastructure (PKI) signing.
Signature forwarding: Added the ability for end-users to forward a signing session to another person, nominating them as the signer.
Reject and cancel: Added the option for end-users to explicitly reject a signing session and provide a reason, as well as configuration for custom reject and cancel redirect URLs.
View action: Added support for mandatory view-only documents. Documents can be added with the action set to VIEW to ensure the signer reviews them before signing.
Archive PKI sealing results: Added support for archiving the cryptographically generated XAdES container when using Public Key Infrastructure (PKI) signing.
PAdES eID method representation: The opening page of the PAdES document now displays the logo of the eID method used by each signer.

Added Swedish BankID PKI signing

2026-07-07T00:00:00.000Z

We have introduced Swedish BankID PKI signing and added support for flexible, unordered signing when using Norwegian BankID PKI.

This includes the Swedish BankID (sbid) and Norwegian BankID (nbid) eIDs.

Added merchant signing with Norwegian BankID

2026-03-03T00:00:00.000Z

We have added support for business-to-business (B2B) merchant signing using Norwegian BankID.

Added support for archiving functionality

2026-01-06T00:00:00.000Z

We have added support for archiving functionality to securely store your signing sessions.

This functionality allows you to use the archive object to securely store your data.

Added support for additional eID methods

2025-10-31T00:00:00.000Z

We have added support for additional eID methods and improved PAdES accessibility to ensure compliance with the European Accessibility Act (EAA).

Expanded Signicat Dashboard capabilities

2025-10-14T00:00:00.000Z

We have expanded the Signicat Dashboard capabilities for Sign API v2, allowing you to use Elasticsearch, quick filters, and view expanded session details.

This release includes the following updates:

Expanded Signicat Dashboard capabilities for our Sign API v2:
- Support for Elasticsearch for document name and document tags.
- Added quick filters.
- Expanded session details.
- Enhanced error handling.
Further enhancements on accessibility in the signing interface, aligning with Web Content Accessibility Guidelines (WCAG) standards.

Added support for Norwegian BankID PKI

2025-09-30T00:00:00.000Z

We have added support for Norwegian BankID PKI signing, the SignText field, app switching capabilities, a separate packaging endpoint, and support for artifacts.

This release includes the following updates:

Norwegian BankID (nbid) Public Key Infrastructure (PKI) signing.
Support for SignText field.
additionalParameters supported for mitid_app_type to enable app switching.
Support for NO_USE for nationalIdentityNumber.
Separate packaging endpoint.
Support for artifacts.

Launched Signicat Dashboard capabilities

2025-09-11T00:00:00.000Z

We have launched Sign API v2 in the Signicat Dashboard, allowing you to easily search and filter sessions, and enhanced the accessibility of our signing interface.

This release includes the following updates:

Launched Signicat Dashboard capabilities for our Sign API v2.
- Added ability to search for and filter sessions and collections.
Enhanced accessibility in the signing interface, aligning with Web Content Accessibility Guidelines (WCAG) standards.

Internal groundwork and bug fixes

2025-08-19T00:00:00.000Z

We have completed internal groundwork for future features, added backwards compatibility in the UI for Express API features, and resolved minor bugs.

Monitoring and resilience improvements

2025-08-14T00:00:00.000Z

We have focused on backend enhancements in this release, introducing monitoring and resilience improvements along with various bug fixes.

Added Buypass support for Norwegian BankID

2025-06-20T00:00:00.000Z

We have expanded our certificate-based signing through Buypass to support Norwegian BankID, and made improvements to ensure better accessibility compliance.

Miscellaneous improvements

2025-05-19T00:00:00.000Z

We have made miscellaneous improvements to enhance the overall stability and performance of Sign API v2.

Added support for DigiD and iDIN

2025-04-29T00:00:00.000Z

We have added initial support for Dutch eID methods, enabling signing with DigiD and iDIN.

Added support for subject validation

2025-04-11T00:00:00.000Z

We have added support for subject validation using their national identity number, alongside general UI improvements.

Initial support for certificate-based signing

2025-02-28T00:00:00.000Z

We have introduced initial support for certificate-based signing through Buypass, alongside further UI improvements for mobile users.

Added support for multiple documents

2024-12-13T00:00:00.000Z

We have added support for multiple documents and multiple signers in a single session, as well as PAdES (PDF Advanced Electronic Signatures) output.

Added support for phone flow signing

2024-10-31T00:00:00.000Z

We have expanded our eID support to include phone flow signing with Swedish BankID, alongside mobile UI enhancements and a new signature URL field.

This release includes the following updates:

Initial support for phone flow signing with Swedish BankID.
UI improvements for use on mobile devices.
New field signatureURL in the signing session response.
Miscellaneous bug fixes.

UI improvements for mobile devices

2024-10-17T00:00:00.000Z

We have focused on user experience in this release, bringing UI improvements specifically tailored for mobile devices alongside various bug fixes.

Introduced LTV-SDO evidence

2024-09-25T00:00:00.000Z

We have added several new features for Sign API v2, including support for LTV-SDO evidence, end-user notifications, and a customer-facing events channel.

This release includes the following updates:

Single user, signing a single document producing an LTV-SDO (long-term validation signed data object) as evidence.
End-user notifications when an action is needed.
Customer-facing events channel for signing session state changes and creation.