> ## Documentation Index
> Fetch the complete documentation index at: https://docs.alterscope.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Dated record of additions, backwards-incompatible changes, and deprecations to the public Alterscope API.

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](/api-reference/versioning) page.

The current stable API version is **`/v2`**.

## 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](/develop/realtime/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).

## 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](/develop/realtime/webhooks) for runtime event changes, and check the [versioning policy](/api-reference/versioning) for the deprecation timeline.