---
title: "A new period or a revision in a series an alert follows"
method: POST
path: "seriesChange"
---

# A new period or a revision in a series an alert follows

`POST seriesChange` (webhook)

## Headers

- `webhook-id` string, required
- `webhook-timestamp` string, required
- `webhook-signature` string, required

## Payload

- object
  - `type` 'series.new_period' | 'series.revision' | 'alert.test', required
  - `timestamp` string, date-time, required
  - `alert` object, required
    - `id` string
    - `label` string
  - `data` object, required: One list_changes entry: {id, type, created_at, indicator, place, frequency, period_count, first_period, last_period, changes, source, links}.

## Acknowledgement `200`

Any 2xx acknowledges the message. Other answers, timeouts (5 s) and redirects are retried with backoff.

## Other responses

- `410`: Pauses the alert.

---

[API](https://skmtc.dev/invokely/apis/invokely-statistics-api.md) · [All operations](https://skmtc.dev/invokely/apis/invokely-statistics-api/llms.txt) · [OpenAPI document](https://skmtc.dev/invokely/apis/invokely-statistics-api/revisions/3b0f775bccb6?raw)