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WP Webhook Notifier

WordPress plugin that POSTs a structured JSON webhook the moment a post or page is published — connects WordPress to n8n, Zapier, or Make with no middleware

by Yoshiro Moriyama · github.com/moriyama-dev/wp-webhook-notifier · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/moriyama-dev/wp-webhook-notifier/archive/refs/heads/main.zip

Readme

WP Webhook Notifier

A lightweight WordPress plugin that sends a JSON webhook notification to a configured URL whenever a post or page is published.

Features

  • Fires instantly when content transitions to published status
  • Sends a structured JSON payload via HTTP POST
  • Admin settings page built with the WordPress Settings API
  • Configurable post type filtering (posts, pages, custom post types)
  • Compatible with Zapier, Make (Integromat), n8n, or any custom HTTP endpoint
  • Secure: sanitises all inputs, escapes all outputs, capability-checks admin access

Installation

  1. Download or clone this repository into your /wp-content/plugins/ directory
  2. Activate the plugin via Plugins › Installed Plugins
  3. Go to Settings › Webhook Notifier and enter your endpoint URL

Configuration

Setting Description
Webhook URL The endpoint that receives the POST request
Trigger on Post Types Choose which post types fire the webhook

Example Payload

{
  "event": "post_published",
  "post_id": 42,
  "post_type": "post",
  "title": "Hello World",
  "url": "https://example.com/hello-world/",
  "excerpt": "A short summary of the post.",
  "author": "Yoshiro Moriyama",
  "published": "2026-06-13T13:00:00+00:00",
  "categories": ["News"],
  "tags": ["wordpress", "webhook"],
  "site_name": "My WordPress Site",
  "site_url": "https://example.com"
}

Technical Details

  • PHP: OOP, namespaced classes, no global variables
  • Hooks used: transition_post_status, admin_menu, admin_init
  • WordPress APIs: Settings API, wp_remote_post(), options API
  • Follows WordPress Coding Standards

Development

This plugin was developed with Claude Code (Anthropic) as part of an AI-assisted development workflow — demonstrating how modern WordPress plugin architecture (hooks, Settings API, HTTP integration) can be built efficiently with AI tooling.

License

MIT © Yoshiro Moriyama

Read the full README on GitHub →