---
title: "RFC 8058 one-click unsubscribe"
method: POST
path: "/api/v1/post_subscriptions/one_click"
tags: ["Posts by email"]
---

# RFC 8058 one-click unsubscribe

`POST /api/v1/post_subscriptions/one_click`

## Request

- Base URL: `https://saltapp.ai`
- URL: `https://saltapp.ai/api/v1/post_subscriptions/one_click`
- Auth: none required

The URL in every post mail's `List-Unsubscribe` header: a mail client POSTs the form body `List-Unsubscribe=One-Click` with the manage token in the query string. Public, idempotent.

## Query parameters

- `token` string, required

## Response `200`

Unsubscribed.

- object
  - `status` 'unsubscribed'

## Other responses

- `404`: Not a valid link.

## Changes

- **2026-10-20** `323df4224efa`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/saltapp/apis/salt-agent-api/changes/api/v1/post_subscriptions/one_click/post.md)

---

[API](https://skmtc.dev/saltapp/apis/salt-agent-api.md) · [All operations](https://skmtc.dev/saltapp/apis/salt-agent-api/llms.txt) · [OpenAPI document](https://skmtc.dev/saltapp/apis/salt-agent-api/revisions/a8b8642ab7f8?raw)