Anderson Adelino This workflow corresponds to n8n.io template #6462 — we link there as the canonical source.
The workflow JSON
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{
"nodes": [
{
"id": "7cb53e04-9028-4a1d-8a9d-90e9404cdece",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-300,
60
],
"parameters": {
"color": 6,
"width": 500,
"height": 640,
"content": "## WhatsApp Group Welcome Message Automation\n\nThis workflow automatically sends a personalized welcome message to new members who join your WhatsApp group.\n\n### How it works\n1. **Webhook** receives notifications when someone joins your group\n2. **Filter** checks if it's your specific group\n3. **If** node verifies it's a new member joining (not leaving)\n4. **Wait** node adds a delay to make the message feel more natural\n5. **HTTP Request** sends the welcome message via Evolution API\n\n### Setup Instructions\n1. Configure the **Set Variables** node with your credentials\n2. Update your Evolution API webhook to point to this workflow's webhook URL\n3. Test by having someone join your group\n\n### Youtube video\nhttps://youtu.be/WO2MJoQqLvo\n\n### Requirements\n- Evolution API instance (self-hosted or cloud)\n- WhatsApp Business connected to Evolution API\n- Group admin permissions"
},
"typeVersion": 1
},
{
"id": "664a1877-b92e-4254-bd77-5b2fec53fe61",
"name": "Webhook - Receive Group Events",
"type": "n8n-nodes-base.webhook",
"position": [
360,
260
],
"parameters": {
"path": "whatsapp-group-welcome",
"options": {},
"httpMethod": "POST"
},
"typeVersion": 2
},
{
"id": "9db51839-242e-45f8-bc39-6d191a4f130c",
"name": "Sticky Note 1",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
60
],
"parameters": {
"width": 170,
"content": "\u2699\ufe0f **Configure all variables here**\n\nUpdate these values with your own credentials and preferences"
},
"typeVersion": 1
},
{
"id": "a4bae5fe-6215-4785-8014-53bcad7f44f3",
"name": "Set Variables - Configure Here",
"type": "n8n-nodes-base.set",
"position": [
600,
260
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "group-id",
"name": "groupId",
"type": "string",
"value": "user@example.com"
},
{
"id": "api-key",
"name": "apiKey",
"type": "string",
"value": "YOUR-API-KEY-HERE"
},
{
"id": "instance-name",
"name": "instanceName",
"type": "string",
"value": "YourInstanceName"
},
{
"id": "evolution-url",
"name": "evolutionApiUrl",
"type": "string",
"value": "https://your-evolution-api.com"
},
{
"id": "welcome-message",
"name": "welcomeMessage",
"type": "string",
"value": "\ud83d\udc4b Welcome to our community! \n\nWe're excited to have you here. If you have any questions or need assistance, feel free to ask. \n\nLet's grow together! \ud83d\ude80"
},
{
"id": "wait-time",
"name": "waitMinutes",
"type": "number",
"value": 1
}
]
}
},
"typeVersion": 3.4
},
{
"id": "890c7d0b-584f-4c42-9c62-75bf5823b93e",
"name": "Filter - Check if Target Group",
"type": "n8n-nodes-base.filter",
"position": [
840,
260
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "check-group-id",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.body.data.id }}",
"rightValue": "={{ $('Set Variables - Configure Here').item.json.groupId }}"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "c38bf61c-e2af-4637-ae8a-d51af11b5ca9",
"name": "If - New Member Joined",
"type": "n8n-nodes-base.if",
"position": [
360,
460
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "check-action",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.body.data.action }}",
"rightValue": "add"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "109b3071-6f95-4a8d-afec-f938db5f6f23",
"name": "Wait - Natural Delay",
"type": "n8n-nodes-base.wait",
"position": [
600,
460
],
"parameters": {
"unit": "minutes",
"amount": "={{ $('Set Variables - Configure Here').item.json.waitMinutes }}"
},
"typeVersion": 1.1
},
{
"id": "1b6d56e8-03f2-4fbe-a859-00ddbfb19715",
"name": "Send Welcome Message",
"type": "n8n-nodes-base.httpRequest",
"position": [
840,
460
],
"parameters": {
"url": "={{ $('Set Variables - Configure Here').item.json.evolutionApiUrl }}/message/sendText/{{ $('Set Variables - Configure Here').item.json.instanceName }}",
"method": "POST",
"options": {
"redirect": {
"redirect": {}
},
"allowUnauthorizedCerts": true
},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "number",
"value": "={{ $json.body.data.participants[0] }}"
},
{
"name": "text",
"value": "={{ $('Set Variables - Configure Here').item.json.welcomeMessage }}"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "apikey",
"value": "={{ $('Set Variables - Configure Here').item.json.apiKey }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "d4b1eb74-feb8-47e1-8928-51d587c1ce34",
"name": "Sticky Note 2",
"type": "n8n-nodes-base.stickyNote",
"position": [
300,
60
],
"parameters": {
"width": 200,
"content": "\ud83d\udcdd **Webhook Configuration**\n\nCopy the webhook URL from this node and configure it in your Evolution API instance"
},
"typeVersion": 1
},
{
"id": "7b3d4744-4a64-4c10-a071-94e61cd6c676",
"name": "Sticky Note 3",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
600
],
"parameters": {
"width": 180,
"height": 120,
"content": "\u2705 **Success!**\n\nThe welcome message has been sent to the new member"
},
"typeVersion": 1
}
],
"connections": {
"Wait - Natural Delay": {
"main": [
[
{
"node": "Send Welcome Message",
"type": "main",
"index": 0
}
]
]
},
"If - New Member Joined": {
"main": [
[
{
"node": "Wait - Natural Delay",
"type": "main",
"index": 0
}
]
]
},
"Filter - Check if Target Group": {
"main": [
[
{
"node": "If - New Member Joined",
"type": "main",
"index": 0
}
]
]
},
"Set Variables - Configure Here": {
"main": [
[
{
"node": "Filter - Check if Target Group",
"type": "main",
"index": 0
}
]
]
},
"Webhook - Receive Group Events": {
"main": [
[
{
"node": "Set Variables - Configure Here",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
This template is perfect for community managers, business owners, and WhatsApp group administrators who want to create a welcoming experience for new members. Whether you're running a support group, managing a business community, or moderating a hobby group, this automation…
Source: https://n8n.io/workflows/6462/ — original creator credit. Request a take-down →
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