---
title: "Get Monitor Response Time By Region"
method: GET
path: "/v1/monitors/{monitor_id}/response-time-by-region"
tags: ["Monitors"]
---

# Get Monitor Response Time By Region

`GET /v1/monitors/{monitor_id}/response-time-by-region`

## Request

- Base URL: `https://api.fettle.sh` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fettle.sh/v1/monitors/{monitor_id}/response-time-by-region`
- Auth: API key in header `Authorization`

Return the per-region response-time series for a monitor.

Each region is returned as its own dense, evenly-spaced series so the card
can plot one region at a time on an axis scaled to that region's baseline —
a fast region and a slow region never share an axis. ``window`` selects the
span and point granularity (24h hourly, 7d six-hourly, 30d daily).

## Path parameters

- `monitor_id` string, uuid, required

## Query parameters

- `window` '24h' | '7d' | '30d'

## Headers

- `X-Organization-Id` string, uuid, nullable

## Response `200`

Successful Response

- MonitorResponseTimeByRegionResponse: Per-region response-time series for a monitor over one time window (У7). Each region is plotted on its own auto-scaled axis on the frontend, so a fast ``eu`` probe and a slow ``us`` probe each render readably instead of as one saw-tooth line on a shared axis. The per-region latest status the card's switcher shows is joined client-side from the monitor's ``region_statuses`` — this payload is purely the time series.
  - `monitor_id` string, uuid, required
  - `window` string, required
  - `bucket_seconds` integer, required
  - `regions` RegionResponseSeries[], required
    - `region` string, required
    - `display_name` string, required
    - `points` RegionResponsePoint[], required
      - `bucket_start` string, date-time, required
      - `avg_response_time_ms` integer, nullable
      - `sample_count` integer, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/fettle/apis/fettle-sh.md) · [All operations](https://skmtc.dev/fettle/apis/fettle-sh/llms.txt) · [OpenAPI document](https://skmtc.dev/fettle/apis/fettle-sh/revisions/f32c8a18606f?raw)