generated: '2026-07-21'
method: searched
source: >-
  https://docs.thinknum.com/docs/getting-started.md,
  https://www.thinknum.com/status, https://blog.thinknum.com/tag/release-notes/
description: >-
  Versioning and operational-transparency posture for the Thinknum Data API.
  Versioning is pinned by a dated `X-API-Version` request header; a public status
  dashboard is published; release notes are posted to the Thinknum blog. No
  formal deprecation policy or RFC 8594 Sunset/Deprecation header support is
  documented.
versioning:
  scheme: date-based
  mechanism: X-API-Version request header
  current: '20151130'
  docs: https://docs.thinknum.com/docs/getting-started.md
  notes: >-
    Every request must specify the API version via the X-API-Version header
    (documented value 20151130).
deprecation:
  policy_url: null
  sunset_header: false
  notes: No published deprecation policy or Sunset/Deprecation header support was found.
status_page: https://www.thinknum.com/status
sla:
  url: null
  public_uptime_target: null