README

Tag-based n8n webhook integration for Laravel. Fire events in your app, auto-dispatch to matching n8n workflows. Zero configuration per workflow — just tag your n8n workflows and the package handles the rest.

How it works

Add the HasN8nTrigger trait to any Laravel Event class
The event auto-generates a tag from its class name (e.g. OrderCompleted → app:order-completed)
When the event fires, the package finds all active n8n workflows tagged with app:order-completed
It POSTs the event payload to each workflow's webhook URL
Fire-and-forget — your app doesn't depend on n8n being available

Installation

composer require shelfwood/laravel-n8n

The service provider auto-discovers. Publish the config:

php artisan vendor:publish --tag=n8n-config

Add to your .env:

N8N_URL=https://your-n8n-instance.com
N8N_API_KEY=your-api-key

Usage

1. Create an event with the trait

use Illuminate\Foundation\Events\Dispatchable;
use Shelfwood\N8n\Traits\HasN8nTrigger;

class OrderCompleted
{
    use Dispatchable, HasN8nTrigger;

    public function __construct(
        public string $orderId,
        public float $total,
    ) {}

    public function toArray(): array
    {
        return [
            'order_id' => $this->orderId,
            'total' => $this->total,
        ];
    }
}

2. Fire the event normally

event(new OrderCompleted($order->id, $order->total));

3. Create an n8n workflow with matching tag

In your n8n instance, create a workflow with:

A Webhook trigger node
A tag matching the event: app:order-completed

The package finds the workflow by tag and POSTs:

{
    "event": "App\\Events\\OrderCompleted",
    "timestamp": "2026-04-13T00:00:00+00:00",
    "tags": ["app:order-completed"],
    "data": {
        "order_id": "abc-123",
        "total": 99.95
    }
}

Custom tags

Override the auto-generated tag:

$event = new OrderCompleted($id, $total);
$event->setN8nTags(['custom:high-value-order']);
event($event);

Filament Status Page

If your project uses Filament, register the status page in your AdminPanelProvider:

use Shelfwood\N8n\Filament\Pages\N8nStatus;

->pages([
    N8nStatus::class,
])

This shows:

n8n connection health
All discovered events with their tags
Which n8n workflows are connected to which events

Configuration

// config/n8n.php

return [
    'api' => [
        'url' => env('N8N_URL', ''),
        'key' => env('N8N_API_KEY', ''),
    ],
    'workflows' => [
        'timeout' => (int) env('N8N_WORKFLOW_TIMEOUT', 10),
        'retry_attempts' => 3,
        'retry_delay' => 5,
        // Cache TTL for the workflow list (seconds). Every event dispatch
        // would otherwise refetch the full workflow set. 0 disables.
        'cache_ttl' => (int) env('N8N_WORKFLOWS_CACHE_TTL', 60),
    ],
    // Tag prefix for auto-generated event tags. Override per environment to
    // discriminate workflows on a single shared n8n (`staging:`, `prod:`).
    'tag_prefix' => env('N8N_TAG_PREFIX', 'app:'),
    // Directories scanned by the Filament status page
    'event_directories' => [
        'app/Events',
    ],
];

Domain-driven layouts

If your application stores events outside app/ (e.g. a src/Domain/*/Events layout under a Domain\ PSR-4 root), override event_directories:

'event_directories' => [
    'src/Domain/*/Events',
],

The status page resolves class names from composer.json PSR-4, so any namespace mapped there works — no extra registration needed.

Multi-environment tag separation

Two apps sharing one n8n? Set N8N_TAG_PREFIX=staging: on staging and N8N_TAG_PREFIX=prod: on production. Tag your workflows accordingly and the two streams stay isolated without duplicated workflows.

Graceful degradation

No N8N_URL → events fire normally but no webhooks are dispatched
n8n is down → the queued job retries 3 times, then logs and moves on
No matching workflow → the job silently returns (no error)

Testing

In your test suite, set N8N_URL to empty in phpunit.xml:

<env name="N8N_URL" value=""/>

This disables webhook dispatch. Your n8n-specific tests can override:

config(['n8n.api.url' => 'https://n8n.test']);
Queue::fake();

event(new OrderCompleted('123', 50.00));

Queue::assertPushed(DispatchN8nWebhook::class);

License

MIT

shelfwood / laravel-n8n

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