generated: '2026-07-22'
method: searched
source: https://jpx-jquants.com/en/spec/migration-v1-v2
versioning:
  scheme: uri-path
  current: v2
  docs: https://jpx-jquants.com/en/spec/migration-v1-v2
  notes: >-
    V2 (base https://api.jquants.com/v2) is current. V1 (/v1/...) is deprecated;
    users who registered on or after 2025-12-22 can only use V2. V1 token-based
    authentication (/v1/token/auth_user, /v1/token/auth_refresh) is discontinued
    in V2 in favor of dashboard-issued API keys.
deprecation:
  policy_url: https://jpx-jquants.com/en/spec/migration-v1-v2
  sunset_header: false
  deprecated_surfaces:
    - surface: J-Quants API V1 (/v1/...)
      status: deprecated
      replacement: J-Quants API V2 (/v2/...)
      notes: Full endpoint correspondence table published; all V1 users are asked to migrate to V2.
release_notes: https://jpx-jquants.com/en/spec/release
status_page: https://jpx-jquants.com/en/help/incident
data_corrections: https://jpx-jquants.com/en/spec/fix-data-info
data_update_schedule: https://jpx-jquants.com/en/spec/data-update
sla: null
notes: >-
  Service incident information is published on the help/incident page; there is
  no separate status-page subdomain and no published SLA for the individual
  investor service.