---
title: "Update Alert Settings"
method: PATCH
path: "/api/v1/admin/system-settings/alert-settings"
tags: ["Admin APIs", "system-settings"]
---

# Update Alert Settings

`PATCH /api/v1/admin/system-settings/alert-settings`

Update internal signup alert tuning. Only fields present in the body
are written; omitted fields are left unchanged.

## Request body

- SignupAlertSettingsUpdate — Payload to update alert tuning. Omitted value fields are left untouched. ``rationale`` is always required on PATCH and must be at least three non-whitespace characters (aligned with ``set_setting``).
  - `alerts_enabled` boolean, nullable
  - `stuck_threshold_minutes` integer, nullable
  - `recipient_email` string, nullable
  - `rationale` string, required — Required. Why this change is being made (min 3 characters, trimmed).

## Response `200`

Successful Response

- SignupAlertSettingsRead — Current internal signup alert tuning. Each tunable field carries its own ``updated_at`` / ``updated_by`` / ``last_rationale`` so the UI can show per-setting history.
  - `alerts_enabled` SettingFieldBool, required
    - `value` boolean, required
    - `updated_at` string, date-time, nullable
    - `updated_by` string, nullable
    - `last_rationale` string, nullable
  - `stuck_threshold_minutes` SettingFieldInt, required
    - `value` integer, required
    - `updated_at` string, date-time, nullable
    - `updated_by` string, nullable
    - `last_rationale` string, nullable
  - `recipient_email` SettingFieldStr, required
    - `value` string, required
    - `updated_at` string, date-time, nullable
    - `updated_by` string, nullable
    - `last_rationale` string, nullable
  - `watcher_interval_minutes` integer, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api.md) · [All operations](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/carbonarc/carbon-arc-client-admin-api/revisions/a8ca30023371/schema)