Automatisation n8n : gestion de processus avec Webhook
Ce workflow n8n a pour objectif de gérer des processus en utilisant des webhooks et des requêtes HTTP, permettant ainsi une automatisation efficace des tâches. Il est particulièrement utile pour les équipes techniques et les entreprises qui cherchent à intégrer des services externes dans leur flux de travail. Par exemple, ce workflow peut être utilisé pour recevoir des données d'un service externe, traiter ces données, et répondre à des événements en temps réel. Le processus commence par un déclencheur manuel qui initie le workflow. Ensuite, un webhook est configuré pour recevoir des entrées d'un processus externe. Une fois les données reçues, plusieurs nœuds de type 'Sticky Note' sont utilisés pour documenter les étapes et les résultats intermédiaires. Des requêtes HTTP sont ensuite effectuées pour initier des processus indépendants et récupérer des informations, comme une blague aléatoire, qui peuvent être utilisées pour enrichir l'expérience utilisateur. Ce workflow n8n offre une flexibilité importante grâce à l'utilisation de nœuds de condition et de traitement, permettant aux utilisateurs de personnaliser le flux en fonction de leurs besoins spécifiques. En intégrant ce type d'automatisation, les entreprises peuvent réduire les erreurs humaines, améliorer l'efficacité opérationnelle et gagner un temps précieux dans la gestion de leurs processus. Tags clés : automatisation, webhook, n8n.
Vue d'ensemble du workflow n8n
Schéma des nœuds et connexions de ce workflow n8n, généré à partir du JSON n8n.
Détail des nœuds du workflow n8n
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"meta": {
"instanceId": "37c9b6d3ee04c3e15f526d799209783b3fa8da2950c0e8241dc8ad516d7eb4df"
},
"nodes": [
{
"id": "ba9d786a-0698-4306-adba-40c928c1a340",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
840,
1100
],
"parameters": {
"width": 718.7339166606896,
"height": 141.09832891056485,
"content": "## Independent \"Async\" Process\nThis could be anything that eventually triggers another workflow and passes through something (e.g. resumeUrl) that identifies the original workflow execution that needs to be joined.\nFor instance, this could be a Telegram conversation where the trigger is watching for a message containing a \"reply\" to something that was originally sent out via Telegram."
},
"typeVersion": 1
},
{
"id": "d90e6fa4-2f88-4446-8522-e3ae7b1334d2",
"name": "When clicking ‘Test workflow’",
"type": "n8n-nodes-base.manualTrigger",
"position": [
400,
400
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a76364e9-ef28-4ad8-88a3-68ac23fed0c1",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
1100,
400
],
"webhookId": "253803de-f2d4-4519-8014-62d0ef80b988",
"parameters": {
"resume": "webhook",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 1.1
},
{
"id": "fa83bc05-ee83-4150-ac5e-68e6b14e37d2",
"name": "HTTP Request - Initiate Independent Process",
"type": "n8n-nodes-base.httpRequest",
"position": [
860,
400
],
"parameters": {
"url": "=http://127.0.0.1:5678/webhook/{{ $('Set Primary Execution Context').first().json.simulatedExternalProcessWorkflowId }}",
"method": "POST",
"options": {},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "resumeUrlForWaitingExecution",
"value": "={{ $execution.resumeUrl }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "a2aad4e1-e305-43cb-9e59-21c92ae351b1",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
780,
280
],
"parameters": {
"width": 593,
"height": 107,
"content": "## Only One Item Will Work\nIf the previous steps could result in multiple initiations via the `Secondary Trigger` below, **only the first one** will resume the workflow. Others will be rejected."
},
"typeVersion": 1
},
{
"id": "4065389a-8af6-440d-94d6-1a2261e75818",
"name": "HTTP Request - Resume Other Workflow Execution",
"type": "n8n-nodes-base.httpRequest",
"position": [
1100,
780
],
"parameters": {
"url": "={{ $json.body.resumeUrlForWaitingExecution.replace($env.WEBHOOK_URL, 'http://127.0.0.1:5678') }}",
"method": "POST",
"options": {},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "jokeFromIndependentProcess",
"value": "={{ $('Receive Input from External, Independent Process').first().json.body.joke }}"
},
{
"name": "setupFromIndependentProcess",
"value": "={{ $('Receive Input from External, Independent Process').first().json.body.setup }}"
},
{
"name": "deliveryFromIndependentProcess",
"value": "={{ $('Receive Input from External, Independent Process').first().json.body.delivery }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "d0ef28a5-7a4f-4c60-8070-1da0016f9bb6",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
380,
600
],
"parameters": {
"width": 590,
"height": 179,
"content": "## Secondary Trigger From Independent Process\nWhen something runs the workflow through this trigger, it is a completely separate execution. By passing through the resumeUrl from the **Primary Execution**, it is possible to join back into it via the \"webhook callback\" to the `Wait` node.\n* Note: This trigger could be anything that would support input including the `resumeUrl`, not just a webhook. The `Webhook` node is just used to demonstrate a separate trigger."
},
"typeVersion": 1
},
{
"id": "f0c82308-166f-44e4-84c0-65c2f5d65bf5",
"name": "This Node Can Access Primary and Secondary",
"type": "n8n-nodes-base.set",
"position": [
1340,
520
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "91dfddea-5498-41dc-a423-830bb67638cc",
"name": "somethingFromPrimaryExecution",
"type": "string",
"value": "={{ $('Set Primary Execution Context').first().json.someContextItem }}"
},
{
"id": "beb6454f-3148-44a1-a681-4691f5fc6c06",
"name": "somethingFromSecondaryExecution",
"type": "string",
"value": "={{ $('Wait').item.json.body.jokeFromIndependentProcess }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "a0b6fd7d-fc69-47c9-bc17-14a57c4eb628",
"name": "Set Primary Execution Context",
"type": "n8n-nodes-base.set",
"position": [
620,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "4e85d854-9326-4045-9636-facd38d681f1",
"name": "someContextItem",
"type": "string",
"value": "this value is only available / in-scope from the primary execution's previous-nodes"
},
{
"id": "0c1f5a1b-b087-4414-b558-3e4ff809e9ab",
"name": "simulatedExternalProcessWorkflowId",
"type": "string",
"value": "21cea9f6-d55f-4c47-b6a2-158cce1811cd"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e4d59b9a-536b-42c6-901e-afb4e4897efd",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
300,
280
],
"parameters": {
"width": 357.8809516773294,
"height": 80,
"content": "## Primary Trigger/Execution\n"
},
"typeVersion": 1
},
{
"id": "a7370b71-3c0e-4bff-b786-0b353938bcfe",
"name": "Receive Input from External, Independent Process",
"type": "n8n-nodes-base.webhook",
"position": [
420,
780
],
"webhookId": "3064395b-378c-4755-9634-ce40cc4733a6",
"parameters": {
"path": "3064395b-378c-4755-9634-ce40cc4733a6",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2
},
{
"id": "8f1ef649-f5df-498c-9aa4-a1dc00613cef",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1040,
391
],
"parameters": {
"color": 4,
"width": 218,
"height": 557,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nThese are the nodes that combine the `Secondary` execution back to the `Primary` execution via the `resumeUrl`."
},
"typeVersion": 1
},
{
"id": "dacae6ab-9039-4b80-af59-21ca9c958bc0",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
211.1677791891891
],
"parameters": {
"color": 5,
"width": 1415.7138930630392,
"height": 792.7070677927813,
"content": "# Main Workflow - Keep these together in the same workflow instance"
},
"typeVersion": 1
},
{
"id": "442f3d39-5a1b-4534-95a2-7c47ce150bb1",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
180,
1040
],
"parameters": {
"color": 5,
"width": 1410.9085229279067,
"height": 411.48103707206576,
"content": "# Simulated External Independent Process\nCut/Paste these nodes into a separate workflow instance\nThen activate the trigger\nThen activate the workflow"
},
"typeVersion": 1
},
{
"id": "d9b3d85f-b2f6-48f4-9bfc-3e134e2d4f20",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
360
],
"parameters": {
"color": 3,
"width": 180.88095167732934,
"height": 217,
"content": "## Update Me"
},
"typeVersion": 1
},
{
"id": "38738f2c-d478-4cba-95be-a52536843bcd",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
1280,
420
],
"parameters": {
"color": 3,
"height": 306.5674498803857,
"content": "## Execute This Node to Test"
},
"typeVersion": 1
},
{
"id": "de9913e4-ea3f-4378-a851-7d7925679bd6",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
480,
1260
],
"parameters": {
"options": {}
},
"typeVersion": 1.1
},
{
"id": "e84ad080-9239-44ee-bc73-d16496813241",
"name": "Simulate Event that Hits the 2nd Trigger/Flow",
"type": "n8n-nodes-base.httpRequest",
"position": [
1360,
1260
],
"parameters": {
"url": "=http://127.0.0.1:5678/webhook/{{ $('Demo \"Trigger\" Callback Setup').first().json.triggerTargetWorkflowId }}",
"method": "POST",
"options": {},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "resumeUrlForWaitingExecution",
"value": "={{ $('Webhook').item.json.body.resumeUrlForWaitingExecution }}"
},
{
"name": "joke",
"value": "={{ $('HTTP Request - Get A Random Joke').item.json.joke }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "4fb07c03-1df0-4703-9d26-22cff17137bf",
"name": "Simulate some Consumed Service Time",
"type": "n8n-nodes-base.wait",
"position": [
1140,
1260
],
"webhookId": "d055185f-2515-4f30-824d-5d0fa346c3bc",
"parameters": {
"amount": 2
},
"typeVersion": 1.1
},
{
"id": "66f3cf0a-62dc-4c85-a832-143f45280dd5",
"name": "HTTP Request - Get A Random Joke",
"type": "n8n-nodes-base.httpRequest",
"position": [
920,
1260
],
"parameters": {
"url": "https://v2.jokeapi.dev/joke/Programming",
"options": {},
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "blacklistFlags",
"value": "nsfw,religious,political,racist,sexist,explicit"
},
{
"name": "type",
"value": "single"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "873a6d02-6393-4354-b7fe-c9c1f2e84339",
"name": "Demo \"Trigger\" Callback Setup",
"type": "n8n-nodes-base.set",
"position": [
700,
1260
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "c6cfe1c1-257b-4785-8ae9-8945e3c7bcd9",
"name": "triggerTargetWorkflowId",
"type": "string",
"value": "3064395b-378c-4755-9634-ce40cc4733a6"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "a8eafdc2-e4b0-42b1-b0aa-7e3cb3972b4b",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"disabled": true,
"position": [
280,
1260
],
"webhookId": "21cea9f6-d55f-4c47-b6a2-158cce1811cd",
"parameters": {
"path": "21cea9f6-d55f-4c47-b6a2-158cce1811cd",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 2
},
{
"id": "77282136-69ec-4f23-b222-30817498b47d",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
662,
1220
],
"parameters": {
"color": 3,
"width": 171,
"height": 217,
"content": "## Update Me"
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"Wait": {
"main": [
[
{
"node": "This Node Can Access Primary and Secondary",
"type": "main",
"index": 0
}
]
]
},
"Webhook": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Respond to Webhook": {
"main": [
[
{
"node": "Demo \"Trigger\" Callback Setup",
"type": "main",
"index": 0
}
]
]
},
"Demo \"Trigger\" Callback Setup": {
"main": [
[
{
"node": "HTTP Request - Get A Random Joke",
"type": "main",
"index": 0
}
]
]
},
"Set Primary Execution Context": {
"main": [
[
{
"node": "HTTP Request - Initiate Independent Process",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request - Get A Random Joke": {
"main": [
[
{
"node": "Simulate some Consumed Service Time",
"type": "main",
"index": 0
}
]
]
},
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "Set Primary Execution Context",
"type": "main",
"index": 0
}
]
]
},
"Simulate some Consumed Service Time": {
"main": [
[
{
"node": "Simulate Event that Hits the 2nd Trigger/Flow",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request - Initiate Independent Process": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Receive Input from External, Independent Process": {
"main": [
[
{
"node": "HTTP Request - Resume Other Workflow Execution",
"type": "main",
"index": 0
}
]
]
}
}
}Pour qui est ce workflow ?
Ce workflow s'adresse aux entreprises de taille moyenne à grande, aux équipes techniques et aux développeurs cherchant à automatiser des processus complexes. Un niveau technique intermédiaire est recommandé pour tirer pleinement parti de cette automatisation n8n.
Problème résolu
Ce workflow résout le problème de la gestion manuelle des processus en automatisant les interactions avec des services externes. Il élimine les erreurs potentielles liées à la saisie manuelle des données et réduit le temps nécessaire pour traiter des informations provenant de différentes sources. En intégrant des webhooks et des requêtes HTTP, les utilisateurs peuvent facilement orchestrer des flux de travail complexes et réactifs, améliorant ainsi leur productivité.
Étapes du workflow
Étape 1 : Le workflow est déclenché manuellement par l'utilisateur. Étape 2 : Un webhook est configuré pour recevoir des données d'un processus externe. Étape 3 : Les données reçues sont traitées et documentées à l'aide de nœuds 'Sticky Note'. Étape 4 : Des requêtes HTTP sont envoyées pour initier des processus indépendants et récupérer des informations, comme une blague aléatoire. Étape 5 : Les résultats sont renvoyés au webhook pour une réponse appropriée.
Guide de personnalisation du workflow n8n
Pour personnaliser ce workflow, vous pouvez modifier l'URL du webhook pour l'adapter à votre service externe. Les nœuds 'Sticky Note' peuvent être ajustés pour inclure des informations spécifiques à votre processus. Vous pouvez également changer les paramètres des requêtes HTTP pour interagir avec d'autres API ou services. Assurez-vous de tester chaque étape pour garantir que le flux fonctionne comme prévu, et envisagez d'ajouter des conditions supplémentaires pour gérer différents scénarios.