> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sagescreen.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# RFC-8058 one-click unsubscribe (List-Unsubscribe-Post)

> Same effect as the GET form. Required for RFC 8058 one-click unsubscribe
compliance with mailbox providers.




## OpenAPI

````yaml /openapi/private/specs/wp/wp-webhooks.yml post /broadcast/unsubscribe
openapi: 3.1.0
info:
  title: >-
    SageScreen — Webhooks & CRM Integrations (Billing · Council · User · Deal ·
    Sage)
  version: 1.0.0
servers:
  - url: https://{domain}/wp-json/sagescreen/v1
    description: WordPress REST API
    variables:
      domain:
        default: api.sagescreen.app
security: []
tags:
  - name: Billing – Stripe
    description: Stripe webhook and subscription endpoints
  - name: Billing – Broadcast
    description: Postmark broadcast unsubscribe endpoint
  - name: Billing – Pipedrive
    description: Pipedrive CRM ID set-* webhook endpoints (called by Zapier)
  - name: Billing – AJAX
    description: Credit ledger, reactivation, and portal AJAX endpoints
  - name: Council – REST
    description: Zapier-facing REST endpoints for council data sync
  - name: Council – AJAX
    description: Council user and sage management AJAX endpoints
  - name: User – REST
    description: Zapier-facing REST endpoints
  - name: User – AJAX
    description: Council user management AJAX endpoints
  - name: User – Profile
    description: Self-service profile updates
  - name: Deal REST
    description: REST API endpoints authenticated via X-API-Key
  - name: Deal AJAX
    description: AJAX endpoints authenticated via WordPress nonce + capability check
  - name: Sage – REST
    description: REST API endpoints for sage operations and Python callbacks
  - name: Sage – CRUD
    description: AJAX endpoints for sage creation, editing, and status management
  - name: Sage – Build Workflow
    description: AJAX endpoints for the multi-step sage build process
paths:
  /broadcast/unsubscribe:
    post:
      tags:
        - Billing – Broadcast
      summary: RFC-8058 one-click unsubscribe (List-Unsubscribe-Post)
      description: |
        Same effect as the GET form. Required for RFC 8058 one-click unsubscribe
        compliance with mailbox providers.
      operationId: broadcastUnsubscribePost
      parameters:
        - in: query
          name: u
          required: true
          schema:
            type: integer
        - in: query
          name: t
          required: true
          schema:
            type: integer
        - in: query
          name: s
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Unsubscribed
        '400':
          description: Invalid signature

````