generated: '2026-09-07'
method: searched
source: >-
  https://www.fanniemae.com/tech-guide (HTTP 200) and
  https://singlefamily.fanniemae.com/applications-technology/technology-application-availability
  (HTTP 403 Cloudflare bot challenge — the page demonstrably exists and is referenced by Fannie
  Mae's own "Technology Application Availability Webpage Access" PDF, so it is recorded as live,
  not dead)
note: >-
  Fannie Mae publishes no API versioning policy, no deprecation policy, no Sunset/Deprecation header
  convention and no SLA at a public URL. What it does publish is a contract-level supersession rule
  and an application availability page. Both are recorded below; the absences are recorded as
  absences rather than left blank.
versioning:
  api_versioning_policy: null
  api_versioning_policy_note: >-
    No public statement of how Fannie Mae versions its APIs (path version, header, date-based) was
    found. The Developer Portal's own internal endpoints use a /v1/ path segment, but that is the
    portal UI's backend, not a published API convention.
  contract_versioning:
    document: Consolidated Technology Guide (the Software Subscription Agreement)
    url: https://www.fanniemae.com/tech-guide
    scheme: effective-date editions, each announced by a numbered Technology Guide Bulletin (YY-NN)
    current_effective: '2026-04-30'
    supersession: >-
      "Each edition of the Guide supersedes and replaces the prior version in its entirety, as of the
      effective date(s) provided in the corresponding Bulletin." — quoted from the tech-guide page.
    cadence: ad hoc, as warranted
    archive: https://www.fanniemae.com/tech-guide
deprecation:
  policy_published: false
  policy_url: null
  sunset_header: unknown
  deprecation_header: unknown
  note: >-
    No RFC 8594 Sunset/Deprecation header convention and no API deprecation policy is published.
    Deprecations of licensed applications are communicated inside the Technology Guide Bulletin
    series and through customer notifications, neither of which is machine-readable.
  deprecated_operations: []
  deprecated_operations_note: No public OpenAPI exists, so no operation-level deprecation could be derived.
status_page:
  exists: true
  url: https://singlefamily.fanniemae.com/applications-technology/technology-application-availability
  probed_status: 403
  probed_note: >-
    Cloudflare interstitial ("Just a moment...") answered instead of the page. The page is real: it
    is linked from Fannie Mae's Applications & Technology navigation and documented in Fannie Mae's
    own PDF at
    https://singlefamily.fanniemae.com/media/document/pdf/technology-application-availability-webpage-access
  covers: >-
    Hours of availability, current and past outages, and future planned maintenance windows for
    Fannie Mae technology applications.
  machine_readable: false
  subscription: Email alerts for outages and maintenance are offered to registered users.
  scope_note: >-
    Availability is published per APPLICATION, not per API. There is no per-endpoint or per-API
    status feed, no JSON status endpoint, and no third-party status platform (Statuspage/Instatus).
  sso_maintenance_notice: https://www.fanniemae.com/content/fmsso/maintenance.html
sla:
  published: false
  note: >-
    No public service level agreement. Availability commitments, if any, live inside the Software
    Subscription Agreement, which is a licensed contract rather than a published SLA page.
support:
  technology_support_center: https://singlefamily.fanniemae.com/applications-technology/technology-support-center
  technology_support_center_status: 403
  technology_manager: https://technologymanager.fanniemae.com/
  technology_manager_status: 200
  developer_portal_support: https://developer.fanniemae.com/#/support