The workflow JSON
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{
"name": "SmarterOS - Create Lead",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "create-lead",
"responseMode": "lastNode",
"options": {}
},
"id": "webhook-node",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
250,
300
]
},
{
"parameters": {
"conditions": {
"string": [
{
"value1": "={{$json[\"body\"][\"email\"]}}",
"operation": "contains",
"value2": "@"
}
]
}
},
"id": "validate-email-node",
"name": "Validate Email",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
450,
300
]
},
{
"parameters": {
"method": "POST",
"url": "={{$env.SUPABASE_URL}}/rest/v1/leads",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendHeaders": {
"headers": [
{
"name": "apikey",
"value": "={{$env.SUPABASE_KEY}}"
},
{
"name": "Authorization",
"value": "Bearer {{$env.SUPABASE_KEY}}"
},
{
"name": "Prefer",
"value": "return=representation"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "lead_id",
"value": "={{$json[\"body\"][\"lead_id\"]}}"
},
{
"name": "name",
"value": "={{$json[\"body\"][\"name\"]}}"
},
{
"name": "email",
"value": "={{$json[\"body\"][\"email\"]}}"
},
{
"name": "phone",
"value": "={{$json[\"body\"][\"phone\"]}}"
},
{
"name": "company",
"value": "={{$json[\"body\"][\"company\"]}}"
},
{
"name": "source",
"value": "={{$json[\"body\"][\"source\"]}}"
},
{
"name": "interest",
"value": "={{$json[\"body\"][\"interest\"]}}"
},
{
"name": "status",
"value": "new"
},
{
"name": "created_at",
"value": "={{new Date().toISOString()}}"
}
]
},
"options": {}
},
"id": "supabase-insert-node",
"name": "Create in Supabase",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
650,
200
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.telegram.org/bot{{$env.TELEGRAM_BOT_TOKEN}}/sendMessage",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "chat_id",
"value": "={{$env.TELEGRAM_CHAT_ID}}"
},
{
"name": "text",
"value": "\ud83c\udd95 *Nuevo Lead*\n\nNombre: {{$json[\"body\"][\"name\"]}}\nEmail: {{$json[\"body\"][\"email\"]}}\nEmpresa: {{$json[\"body\"][\"company\"] || 'N/A'}}\nFuente: {{$json[\"body\"][\"source\"]}}\nInter\u00e9s: {{$json[\"body\"][\"interest\"] || 'General'}}"
},
{
"name": "parse_mode",
"value": "Markdown"
}
]
},
"options": {}
},
"id": "telegram-notify-node",
"name": "Telegram Notify",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
850,
200
]
},
{
"parameters": {
"method": "POST",
"url": "https://api.sendgrid.com/v3/mail/send",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "personalizations",
"value": "=[{\"to\": [{\"email\": \"{{$json[\"body\"][\"email\"]}}\", \"name\": \"{{$json[\"body\"][\"name\"]}}\"}]}]"
},
{
"name": "from",
"value": "{\"email\": \"noreply@smarterbot.cl\", \"name\": \"SmarterOS\"}"
},
{
"name": "subject",
"value": "\u00a1Gracias por tu inter\u00e9s!"
},
{
"name": "content",
"value": "=[{\"type\": \"text/plain\", \"value\": \"Hola {{$json[\"body\"][\"name\"]}},\\n\\nGracias por tu inter\u00e9s en SmarterOS. Nos pondremos en contacto pronto.\\n\\nEquipo SmarterOS\"}]"
}
]
},
"options": {}
},
"id": "welcome-email-node",
"name": "Send Welcome Email",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
850,
400
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"success\": true,\n \"message\": \"Lead created successfully\",\n \"data\": {\n \"lead_id\": \"={{$json[\"body\"][\"lead_id\"]}}\",\n \"name\": \"={{$json[\"body\"][\"name\"]}}\",\n \"email\": \"={{$json[\"body\"][\"email\"]}}\",\n \"status\": \"new\"\n }\n}",
"options": {}
},
"id": "response-node",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
1050,
300
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "{\n \"success\": false,\n \"message\": \"Invalid email format\"\n}",
"options": {}
},
"id": "error-response-node",
"name": "Error Response",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
650,
400
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Validate Email",
"type": "main",
"index": 0
}
]
]
},
"Validate Email": {
"main": [
[
{
"node": "Create in Supabase",
"type": "main",
"index": 0
}
],
[
{
"node": "Error Response",
"type": "main",
"index": 0
}
]
]
},
"Create in Supabase": {
"main": [
[
{
"node": "Telegram Notify",
"type": "main",
"index": 0
}
]
]
},
"Telegram Notify": {
"main": [
[
{
"node": "Send Welcome Email",
"type": "main",
"index": 0
}
]
]
},
"Send Welcome Email": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
},
"staticData": null,
"tags": [
{
"name": "smarteros"
},
{
"name": "chatops"
},
{
"name": "crm"
}
],
"triggerCount": 1,
"updatedAt": "2026-03-29T20:30:00.000Z",
"versionId": "1"
}
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About this workflow
SmarterOS - Create Lead. Uses httpRequest. Webhook trigger; 7 nodes.
Source: https://github.com/SmarterCL/os.smarterbot.cl/blob/0c9c17e0e6d7e57ba50d1141b656b14242162c9d/n8n-workflows/create-lead.json — original creator credit. Request a take-down →
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