---
title: "Get cycle metrics only for a cell measurement"
method: GET
path: "/cell_measurements/{measurement_id}/cycles"
tags: ["Cell Measurements"]
---

# Get cycle metrics only for a cell measurement

`GET /cell_measurements/{measurement_id}/cycles`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/cell_measurements/{measurement_id}/cycles`
- Auth: none declared

Retrieve cycle metrics only (computed from ALL steps).

Backend fetches all steps internally to compute cycles.
Returns ``{ cycles: {...} }``, budgeted to ``max_points`` rows when one is given.

## Path parameters

- `measurement_id` string, uuid, required

## Query parameters

- `max_points` integer, nullable: Maximum rows of the cycle series

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `measurement_id`, the format changed from no format to `uuid`

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cell_measurements/:measurement_id/cycles/get.md)

---

[API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [All operations](https://skmtc.dev/ionworks/apis/ionworks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ionworks/apis/ionworks-api/revisions/abebbbc5f60a?raw)