---
title: "Detect Alert Anomalies"
method: POST
path: "/cron/alerts/anomaly-detection"
---

# Detect Alert Anomalies

`POST /cron/alerts/anomaly-detection`

Detect anomalies for multiple alert instances.

Args:
    request: AnomalyDetectionRequest containing instance_hashes and config
    m2m_token: Machine-to-machine authentication token

Returns:
    AnomalyDetectionResponse with instance_hash to anomaly status mapping

## Request body

- union
  - AnomalyDetectionRequest — Request to detect anomalies for multiple alert instances.
    - `instance_hashes` string[], required
    - `organization_id` string, required
    - `config_name` string, required
    - `start_time` string, required
    - `end_time` string, required
    - `baseline_window_days` integer, required
    - `aggregation_window_hours` integer, required
  - AnomalyDetectionInfo
    - `instance_hashes` string[], required
    - `organization_id` string, required
    - `config_name` string, required
    - `start_time` string, required
    - `end_time` string, required
    - `baseline_window_days` integer, required
    - `aggregation_window_hours` integer, required

## Response `200`

Successful Response

- AnomalyDetectionResponse — Response containing anomaly status and trigger decisions for each instance. Fields: instance_hash_to_anomaly_status: Legacy field - True if anomaly_score >= threshold instance_hash_to_trigger_decision: New field - Full trigger decision (noisy/triggered/anomalous_blocked_recently_triggered) instance_hash_to_anomaly_status_explanation_stats: Detailed stats for each instance
  - `instance_hash_to_anomaly_status` object, required
  - `instance_hash_to_trigger_decision` object, required
  - `instance_hash_to_anomaly_status_explanation_stats` object, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/traversal/apis/fastapi.md) · [All operations](https://skmtc.net/traversal/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/traversal/fastapi/revisions/2134ebffd1ef/schema)