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This is the dated record of changes to the public API — additions, backwards-incompatible changes, and deprecations, with affected endpoints and migration notes. How compatibility and deprecation windows work is on the versioning policy page. The current stable API version is /v2.

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2026-05-02 — Public developer portal

The Alterscope developer portal launched at docs.alterscope.org, documenting the /v2 API. Available at launch:
  • Signed webhooks — webhook delivery is signed, replayable, and dead-lettered. See Webhooks.
  • Replay recovery — GET /v2/events/replay to recover missed events.
  • Risk-events feed — GET /v2/risk-events/feed (cursor-paginated) and GET /v2/ws/risk-events (live stream).

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How changes are communicated

Material API changes — anything affecting compatibility, the deprecation schedule, or documented behavior — are recorded here with the date they take effect. Subscribe to the relevant webhooks for runtime event changes, and check the versioning policy for the deprecation timeline.