---
title: "Lookup a customer's segments"
method: GET
path: "/v1/customers/{customer_id}/segments"
tags: ["Customers"]
---

# Lookup a customer's segments

`GET /v1/customers/{customer_id}/segments`

Returns a list of segments that a customer profile belongs to.

## Response `200`

Returns an array of segments that the customer belongs to.

- object
  - `segments` object[]
    - `id` integer — The segment identifier.
    - `name` string — The name of the segment.
    - `description` string — The description of the segment, as entered in the UI.

## Other responses

- `404` — The `customer_id` does not exist.
- `429` — Your request is over the 10-per-second limit. `Retry-After` tells you how many seconds you must wait before you send the next request.

## Changes

- **2026-09-02** `5da2740beeb5` — 1 info
  - added the media type `application/json` for the response with the status `429`

[Change history](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/changes/v1/customers/:customer_id/segments/get.md)

---

[API](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference.md) · [All operations](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/customer/customer-io-journeys-api-reference/revisions/00b93971a49f/schema)