generated: '2026-07-25'
method: searched
source: https://sign.swisscom.ch/docs/guide/release-notes
scope: >-
  Swisscom Sign Integration API. This is the only Swisscom API surface with a dated, public,
  API-versioned changelog. The Digital Marketplace (digital.swisscom.com), the api.swisscom.com
  gateway products and the legacy Voice/Messaging wiki publish no changelog; Swisscom Trust
  Services publishes product news on its Trust Blog but no release notes for the AIS interface.
scheme: semver
version_signal: >-
  Each release-note item names the "Related API version" of the Swisscom Sign Integration API in
  which it shipped; portal-only changes are explicitly flagged as having no API impact.
current_version: 2.17.0
current_version_evidence: highest "Related API version" named in the June 2026 release notes
cadence: irregular, roughly every 2-3 months
breaking_changes_observed: false
entries:
- date: '2026-06'
  url: https://sign.swisscom.ch/docs/guide/release-notes/2026-06
  api_versions: ['2.15.0', '2.17.0']
  breaking: false
  highlights:
  - change: Maximum document upload size increased from 10 MB to 40 MB
    operations: [attach]
    api_version: platform update (no specific API version)
  - change: >-
      Tag-based signature positioning — signature positions resolved at runtime by searching for a
      tag string embedded in the PDF (locator: TAG, tags \s1\, \s2\, ...), with optional offsetX /
      offsetY in PDF points (-200..200); coordinates no longer required
    operations: [attach]
    api_version: 2.15.0
  - change: >-
      Reminder configuration on release — notification.reminder supports a recurring interval and an
      array of beforeExpiry offsets, both ISO 8601 durations between P1D and P30D; beforeExpiry
      requires the process to carry validUntil
    operations: [release]
    api_version: 2.17.0
- date: '2026-05'
  url: https://sign.swisscom.ch/docs/guide/release-notes/2026-05
  api_versions: ['2.13.0']
  breaking: false
  theme: Workflow capabilities for multi-party signing
  highlights:
  - change: Signing order — the next invitation is only sent once the previous signer completes; exposed as SignerStatus WAITING
    operations: [getProcess]
    api_version: 2.13.0
  - change: Remove or replace a signer on a running process; exposed as SignerStatus REMOVED / REPLACED
    api_version: 2.13.0
  - change: Decline a signature with a mandatory reason; ends the process and notifies the initiator; SignerStatus DECLINED
    api_version: 2.13.0
  - change: Delegate (forward) a signature request to another person; the original signer surfaces as REPLACED
    api_version: 2.13.0
- date: '2026-03'
  url: https://sign.swisscom.ch/docs/guide/release-notes/2026-03
  api_versions: ['2.7.0', '2.8.0', '2.9.0', '2.11.0']
  breaking: false
  highlights:
  - change: SSO for process release — authorization parameter value ACCOUNT skips the SMS/email delivery step for already-authenticated corporate users
    operations: [create]
    api_version: 2.7.0
  - change: New GET /api/process endpoint returning a paginated, status-filterable list of the organization's processes
    operations: [findAll]
    api_version: 2.11.0
  - change: Signer validation — certificateMatch field compares invited signer name against the certificate name (UNCHECKED / MATCH / MISMATCH)
    operations: [getProcess]
    api_version: null
  - change: teamId parameter assigns a process to a team
    operations: [create]
    api_version: 2.9.0
  - change: partnerId field attributes a process to a Swisscom partner
    operations: [create]
    api_version: 2.8.0
  - change: App login phase-out — from 1 March 2026 portal login is only via Swisscom Login or a personal email/password account
    api_version: portal feature (no API impact)
- date: '2026-01'
  url: https://sign.swisscom.ch/docs/guide/release-notes/2026-01
  api_versions: ['2.5.0']
  breaking: false
  highlights:
  - change: >-
      Custom visual signature — stickerProvider on a FileSignaturePosition selects
      CUSTOM_VISUAL_SIGNATURE_PROVIDER (user-drawn/uploaded) or the default VISUAL_SIGNATURE_PROVIDER
    operations: [attach]
    api_version: 2.5.0
  - change: Swisscom Pay billing added alongside credit card for Swisscom Sign subscriptions
    api_version: portal feature (no API impact)
- date: '2025-10'
  url: https://sign.swisscom.ch/docs/guide/release-notes/2025-10
  api_versions: []
  breaking: false
  highlights:
  - change: >-
      All three signature standards supported — EES (simple), FES (advanced) and QES (qualified),
      the latter two under both ZertES (Swiss) and eIDAS (EU); signature level is set per document
    api_version: no specific API version
  - change: Guest signing — invitees can sign without a Swisscom Sign account, with optional email/SMS OTP
    api_version: platform feature (no specific API version)
  - change: New login and account model — registration with email address and password alongside Swisscom Login and My Swisscom App
    api_version: portal feature (no API impact)