---
title: One-Click Unsubscribe (Rfc 8058)
description: 
url: https://theirstack.com/en/docs/api-reference/email-preferences/unsubscribe_email_one_click_v0
---

## POST /v0/email-preferences/unsubscribe/{preference\_key} — One-Click Unsubscribe (Rfc 8058)

### Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `preference_key` | path | string | Yes |  |
| `token` | query | string | Yes |  |

### Responses

#### 200 — Successful Response

#### 422 — Validation Error

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `detail` | array<ValidationError> | No |  |

##### `detail`

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `loc` | array<string or integer> | Yes |  |
| `msg` | string | Yes |  |
| `type` | string | Yes |  |