generated: '2026-08-29'
method: probed
source: >-
  live probes of https://api.sygnum.com/b2b/*, https://status.sygnum.com (DNS NXDOMAIN),
  and the developer.sygnum.com route table, 2026-08-29
versioning:
  scheme: uri-path
  current: v1
  evidence: every observed B2B route is prefixed /b2b/v1
  policy_published: false
deprecation:
  policy_published: false
  sunset_header: not observed
  deprecation_header: not observed
  detail: >-
    No RFC 8594 Sunset/Deprecation signalling was observed on any anonymous response and no
    deprecation policy is published on developer.sygnum.com or www.sygnum.com.
status_page:
  published: false
  probes:
  - url: https://status.sygnum.com/
    status: no response (NXDOMAIN)
  detail: >-
    No status page or uptime history was found for the API. Incidents would only reach
    partners through the account channel.
sla:
  published: false
  detail: >-
    Sygnum markets 24/7 settlement and trading infrastructure but publishes no availability
    target or SLA for the B2B API on any public page.
changelog:
  published: false
  detail: >-
    No dated API changelog or release notes were found. The bank's news feed
    (https://www.sygnum.com/news/) covers products, not API versions.
support:
  url: https://www.sygnum.com/help/
  detail: Support portal and FAQ; API onboarding runs through the Sygnum account team.