---
title: "Get copy number segments in a sample in a study"
method: GET
path: "/studies/{studyId}/samples/{sampleId}/copy-number-segments"
tags: ["Copy Number Segments"]
---

# Get copy number segments in a sample in a study

`GET /studies/{studyId}/samples/{sampleId}/copy-number-segments`

## Path parameters

- `sampleId` string, required
- `studyId` string, required

## Query parameters

- `chromosome` string
- `direction` 'ASC' | 'DESC'
- `pageNumber` integer
- `pageSize` integer
- `projection` 'DETAILED' | 'ID' | 'META' | 'SUMMARY'
- `sortBy` 'chromosome' | 'end' | 'numberOfProbes' | 'segmentMean' | 'start'

## Response `200`

OK

- CopyNumberSeg[]
  - `chromosome` string, required
  - `end` integer, required
  - `numberOfProbes` integer, required
  - `patientId` string, required
  - `sampleId` string, required
  - `segmentMean` number, required
  - `start` integer, required
  - `studyId` string, required
  - `uniquePatientKey` string
  - `uniqueSampleKey` string

---

[API](https://skmtc.net/waldronlab/apis/cbioportal-web-public-api-beta.md) · [All operations](https://skmtc.net/waldronlab/apis/cbioportal-web-public-api-beta/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/waldronlab/cbioportal-web-public-api-beta/revisions/99265965e66b/schema)