---
title: "Changes to Lookup a customer's attributes"
method: GET
path: "/v1/customers/{customer_id}/attributes"
---

# Changes to Lookup a customer's attributes

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

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 3 revisions.

- **2026-09-03** `00b93971a49f` — 1 info
- **2026-09-02** `5da2740beeb5` — 1 info

## Changes

- **2026-09-03** `00b93971a49f` — 1 info
  - added the optional property `customer/devices/items/allOf[#/components/schemas/device_object_common]/attributes/app_identifier` to the response with the `200` status
- **2026-09-02** `5da2740beeb5` — 1 info
  - added the media type `application/json` for the response with the status `429`

---

[Operation](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/docs/v1/customers/:customer_id/attributes/get.md) · [API](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference.md) · [Page](https://skmtc.dev/customer/apis/customer-io-journeys-api-reference/changes/v1/customers/:customer_id/attributes/get)