Wonderful Webhook Alerts
Get real-time notifications for PHP fatal errors sent to your webhook (Slack, Discord, etc.). Never miss a critical site issue again.
Use with caution
Wonderful Webhook Alerts works, but test it on a staging site before relying on it in 2026. It runs on 60+ sites and was last updated 2 months ago, and scores 59/100 on our health check.
- Small user base (60+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Wonderful Webhook Alerts stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| debug | >100 |
| fatal error | #76 |
| monitoring | >100 |
| notification | >100 |
| webhook | #28 |
Version adoption
Share of active sites per release.
About Wonderful Webhook Alerts
From the official readme · v1.2.0Description
This plugin provides a simple but powerful function for developers and site administrators. It automatically captures critical PHP errors (fatal errors, parse errors, etc.) that would otherwise take your site down silently.
Instead of having to check server logs, you receive an instant notification via a webhook to a service of your choice, like Slack or Discord. This allows for immediate action and faster debugging.
The setup is minimal: just add your webhook URL on the settings page, and the plugin takes care of the rest.
External services
The plugin has no service of its own. It sends data only to the webhook URL you enter on its settings page — Slack, Discord, n8n or whatever you choose — and contacts nothing else. The terms and privacy policy of the service you point it at apply.
Nothing is sent until you save a URL. After that:
- The “Send test message” button sends a fixed message plus your site address.
- A PHP fatal error sends: site address, error type, file, line, message, the method and path of the crashed request, and peak memory against the configured limit.
No visitor data is included — no IP addresses, cookies, form contents or accounts. The crashed request’s path does travel along, so a query string holding personal data would be included.
Installation
- Upload the
wonderful-webhook-alertsfolder to the/wp-content/plugins/directory. - Activate the plugin through the ‘Plugins’ menu in WordPress.
- Go to Settings > Webhook Alerts in your admin dashboard.
- Enter your webhook URL and save the settings.
- Use the Send test message button to verify the connection. That’s it!
Frequently asked questions
What is a webhook URL?
A webhook URL is a special web address provided by services like Slack, Discord, or Zapier. When your WordPress site sends a message to this URL, the service receives it and can post it, for example, in a specific chat channel. You can get this URL from the settings of your chosen service.
Does this plugin affect my site’s performance?
It reads its settings once per request and holds back half a megabyte of memory, so it can still report if the request runs out. Beyond that it does nothing until a fatal error happens.
Which error types are reported?
The plugin reports E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR, and E_RECOVERABLE_ERROR — the same set WordPress itself treats as fatal.
Does it also report “Allowed memory size exhausted”?
Yes, labelled separately. On an out-of-memory crash the file and line PHP reports are wherever the last allocation landed, not the cause — so the notification also carries peak memory, the configured limit and the crashed request.
The same error keeps happening. Will I get flooded?
No. An identical error — same message, file and line — is reported at most once every five minutes, so a fault that hits many requests at once still produces one notification.
Does the plugin add a file to wp-content?
Yes: wp-content/fatal-error-handler.php, WordPress’ official drop-in. It has to run first — WordPress registers its own shutdown handler before plugins load, and by then the error can already have been replaced by a later one. If another plugin already owns that file, it stays untouched and the settings page says so. Alerts keep working either way. The file is removed when you deactivate or delete the plugin.
Can I intercept the notification?
Yes. The filter wonderful_webhook_alerts_pre_crash_dispatch receives ( null, $url, $body ) and replaces the built-in transport when it returns anything but null.
Changelog
1.2.0
- Memory exhaustion is now reported: a small reserve is held back and the limit raised before sending, so a request with nothing left still gets a notification out.
- Notifications carry the crashed request and peak memory against the limit, and label memory exhaustion separately from a code defect.
E_USER_ERRORandE_RECOVERABLE_ERRORare reported too — the set WordPress itself treats as fatal.- Identical errors are throttled to one notification per five minutes.
- Installs WordPress’ fatal error handler drop-in, so the error is read before anything can overwrite it. An existing drop-in is never overwritten.
- New filter
wonderful_webhook_alerts_pre_crash_dispatch. - Full plugin prefix on the transient and error codes, per the WordPress.org review guidelines.
- Uninstall removes the drop-in and the throttling markers.
1.1.1
- Tested up to WordPress 7.0.
1.1.0
- Enable/disable switch to turn fatal error alerts on or off without deactivating the plugin.
- “Send test message” button to verify the webhook connection from the settings page.
1.0.0
- Initial release.
Screenshots
For developers
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FAQ
Wonderful Webhook Alerts: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
Is Wonderful Webhook Alerts free?
Yes. Wonderful Webhook Alerts is free to download and use from the official WordPress.org plugin directory.
Is Wonderful Webhook Alerts safe to use in 2026?
Wonderful Webhook Alerts works, but test it on a staging site before relying on it in 2026. It runs on 60+ sites and was last updated 2 months ago, and scores 59/100 on our health check.
How many websites use Wonderful Webhook Alerts?
Wonderful Webhook Alerts is active on 60+ WordPress websites and has been downloaded 1,073 times since it launched in September 2025. It was downloaded 96 times in the last 30 days.
Does Wonderful Webhook Alerts work with WordPress 7.1?
Wonderful Webhook Alerts is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does Wonderful Webhook Alerts need?
Wonderful Webhook Alerts requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Wonderful Webhook Alerts last updated?
The latest version, 1.2.0, was released on August 4, 2026 (2 months ago).
Who makes Wonderful Webhook Alerts?
Wonderful Webhook Alerts is developed and maintained by wonderfulplugins.
What are the best alternatives to Wonderful Webhook Alerts?
The most popular alternatives to Wonderful Webhook Alerts are WP Crontrol (300K+ installs), Query Monitor (200K+ installs) and Debug Bar (20K+ installs).
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