This workflow follows the HTTP Request → Supabase recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "MELANO INC - Lead Capture",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "melano_lead",
"responseMode": "responseNode",
"options": {
"cors": {
"allowedOrigins": "*"
}
}
},
"id": "webhook-node",
"name": "Webhook - Form Submit",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
240,
300
]
},
{
"parameters": {
"values": {
"string": [
{
"name": "name",
"value": "={{ $json.name }}"
},
{
"name": "email",
"value": "={{ $json.email }}"
},
{
"name": "phone",
"value": "={{ $json.phone }}"
},
{
"name": "budget",
"value": "={{ $json.budget }}"
},
{
"name": "urgency",
"value": "={{ $json.urgency }}"
},
{
"name": "message",
"value": "={{ $json.message }}"
},
{
"name": "lang",
"value": "={{ $json.language || 'es' }}"
},
{
"name": "source",
"value": "={{ $json.source || 'landing_page' }}"
},
{
"name": "user_agent",
"value": "={{ $json.user_agent }}"
},
{
"name": "referrer",
"value": "={{ $json.referrer }}"
},
{
"name": "url",
"value": "={{ $json.url }}"
},
{
"name": "timestamp",
"value": "={{ $json.timestamp }}"
}
]
},
"options": {}
},
"id": "data-transform",
"name": "Transform Data",
"type": "n8n-nodes-base.set",
"typeVersion": 3,
"position": [
460,
300
]
},
{
"parameters": {
"operation": "insert",
"schema": {
"__rl": true,
"value": "public",
"mode": "list"
},
"table": {
"__rl": true,
"value": "crm_clientes",
"mode": "list"
},
"columns": {
"mappingMode": "defineBelow",
"values": {
"name": "={{ $json.name }}",
"email": "={{ $json.email }}",
"phone": "={{ $json.phone }}",
"budget": "={{ $json.budget }}",
"urgency": "={{ $json.urgency }}",
"message": "={{ $json.message }}",
"lang": "={{ $json.lang }}",
"source": "={{ $json.source }}",
"user_agent": "={{ $json.user_agent }}",
"referrer": "={{ $json.referrer }}",
"url": "={{ $json.url }}"
}
}
},
"id": "supabase-insert",
"name": "Insert to Supabase",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
680,
300
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"phoneNumberId": "={{ $vars.WABA_PHONE_NUMBER_ID }}",
"to": "={{ $vars.OWNER_WHATSAPP }}",
"messageType": "text",
"message": "\ud83d\ude80 *NUEVO LEAD - MELANO INC*\n\n\ud83d\udc64 *Cliente:* {{ $('Transform Data').item.json.name }}\n\ud83d\udce7 *Email:* {{ $('Transform Data').item.json.email }}\n\ud83d\udcf1 *WhatsApp:* {{ $('Transform Data').item.json.phone }}\n\n\ud83d\udcb0 *Presupuesto:* {{ $('Transform Data').item.json.budget }}\n\u23f0 *Urgencia:* {{ $('Transform Data').item.json.urgency }}\n\ud83c\udf10 *Idioma:* {{ $('Transform Data').item.json.lang }}\n\n\ud83d\udcdd *Mensaje:*\n{{ $('Transform Data').item.json.message }}\n\n---\n\ud83d\udcca *Fuente:* {{ $('Transform Data').item.json.source }}\n\ud83d\udd17 *URL:* {{ $('Transform Data').item.json.url }}\n\u23f1\ufe0f *Timestamp:* {{ $('Transform Data').item.json.timestamp }}"
},
"id": "whatsapp-notification",
"name": "WhatsApp Notification",
"type": "n8n-nodes-base.whatsApp",
"typeVersion": 1,
"position": [
680,
120
],
"credentials": {
"whatsAppApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"method": "POST",
"url": "https://graph.facebook.com/v20.0/{{ $vars.WABA_PHONE_NUMBER_ID }}/messages",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer {{ $vars.WABA_TOKEN }}"
},
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"contentType": "json",
"body": {
"messaging_product": "whatsapp",
"to": "={{ $('Transform Data').item.json.phone.replace(/[^0-9+]/g, '') }}",
"type": "text",
"text": {
"body": "\u00a1Hola {{ $('Transform Data').item.json.name }}! \ud83d\udc4b\n\nGracias por tu inter\u00e9s en MELANO INC. Recibimos tu solicitud de an\u00e1lisis gratuito.\n\n\ud83e\udd16 En menos de 2 horas recibir\u00e1s:\n\u2705 An\u00e1lisis personalizado de tu negocio\n\u2705 Estrategia de automatizaci\u00f3n\n\u2705 Propuesta de ROI proyectado\n\n\ud83d\udcac Te contactar\u00e9 directamente para agendar una llamada estrat\u00e9gica.\n\n---\nBruno A. Melano\nCEO & Founder | MELANO INC\n\ud83d\udce7 contacto@brunomelano.com"
}
}
},
"id": "whatsapp-client",
"name": "WhatsApp to Client",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.1,
"position": [
900,
180
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": {
"success": true,
"message": "Lead captured successfully",
"id": "={{ $('Insert to Supabase').item.json.id }}",
"timestamp": "={{ new Date().toISOString() }}"
}
},
"id": "webhook-response",
"name": "Success Response",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
900,
300
]
},
{
"parameters": {
"operation": "insert",
"schema": {
"__rl": true,
"value": "public",
"mode": "list"
},
"table": {
"__rl": true,
"value": "crm_interactions",
"mode": "list"
},
"columns": {
"mappingMode": "defineBelow",
"values": {
"client_id": "={{ $('Insert to Supabase').item.json.id }}",
"type": "whatsapp",
"content": "Welcome message sent automatically",
"status": "enviado"
}
}
},
"id": "log-interaction",
"name": "Log WhatsApp Interaction",
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
1120,
180
],
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Webhook - Form Submit": {
"main": [
[
{
"node": "Transform Data",
"type": "main",
"index": 0
}
]
]
},
"Transform Data": {
"main": [
[
{
"node": "Insert to Supabase",
"type": "main",
"index": 0
}
]
]
},
"Insert to Supabase": {
"main": [
[
{
"node": "WhatsApp Notification",
"type": "main",
"index": 0
},
{
"node": "WhatsApp to Client",
"type": "main",
"index": 0
},
{
"node": "Success Response",
"type": "main",
"index": 0
}
]
]
},
"WhatsApp to Client": {
"main": [
[
{
"node": "Log WhatsApp Interaction",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "1",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "melano-lead-capture",
"tags": [
{
"createdAt": "2025-01-27T10:00:00.000Z",
"updatedAt": "2025-01-27T10:00:00.000Z",
"id": "melano-tag",
"name": "MELANO INC"
}
]
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
supabaseApiwhatsAppApi
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About this workflow
MELANO INC - Lead Capture. Uses supabase, whatsApp, httpRequest. Webhook trigger; 7 nodes.
Source: https://github.com/MELANOINC/MELANOINC/blob/c3eb02ae79d717b11cc571e89ba5c057f112ed77/n8n/lead_capture.json — original creator credit. Request a take-down →
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