---
title: "Changes to Update a customer's opt-outs"
method: PUT
path: "/v1/customers/{customer_id}/optouts"
---

# Changes to Update a customer's opt-outs

`PUT /v1/customers/{customer_id}/optouts`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-09-02** `5da2740beeb5` — 1 info

## Changes

- **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/optouts/put.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/optouts/put)