{ "id": "xbiPl5Gn2MNJEQzd", "name": "Classify Cold Email Replies and Notify via Telegram with OpenAI and Instantly", "tags": [], "nodes": [ { "id": "f1a10001-0001-4000-a000-000000000001", "name": "Instantly Reply Webhook", "type": "n8n-nodes-base.webhook", "position": [ 224, 416 ], "parameters": { "path": "instantly-reply", "options": {}, "httpMethod": "POST", "responseMode": "responseNode", "authentication": "headerAuth" }, "typeVersion": 2 }, { "id": "f1a10002-0002-4000-a000-000000000002", "name": "Respond 200 OK", "type": "n8n-nodes-base.respondToWebhook", "position": [ 448, 416 ], "parameters": { "options": {}, "respondWith": "text", "responseBody": "OK" }, "typeVersion": 1.1 }, { "id": "f1a10003-0003-4000-a000-000000000003", "name": "Validate Payload", "type": "n8n-nodes-base.if", "position": [ 672, 416 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "v1a1+1234567890-a+1234567890", "operator": { "type": "string", "operation": "isNotEmpty", "singleValue": true }, "leftValue": "={{ $json.body.from_address_email || $json.body.from_email || $json.body.email }}", "rightValue": "" }, { "id": "v1a1+1234567890-a+1234567890", "operator": { "type": "string", "operation": "isNotEmpty", "singleValue": true }, "leftValue": "={{ $json.body.reply_body || $json.body.text_body || $json.body.body }}", "rightValue": "" } ] } }, "typeVersion": 2.2 }, { "id": "f1a10004-0004-4000-a000-000000000004", "name": "Extract Lead Fields", "type": "n8n-nodes-base.set", "position": [ 896, 320 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "s1a1+1234567890-a+1234567890", "name": "lead_email", "type": "string", "value": "={{ $json.body.from_address_email || $json.body.from_email || $json.body.email }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "lead_name", "type": "string", "value": "={{ $json.body.from_address_name || $json.body.from_name || $json.body.first_name || 'Unknown' }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "reply_body", "type": "string", "value": "={{ $json.body.reply_body || $json.body.text_body || $json.body.body || '' }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "subject", "type": "string", "value": "={{ $json.body.subject || 'No Subject' }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "campaign_name", "type": "string", "value": "={{ $json.body.campaign_name || $json.body.campaign || 'Unknown Campaign' }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "received_at", "type": "string", "value": "={{ $now.toISO() }}" }, { "id": "s1a1+1234567890-a+1234567890", "name": "message_id", "type": "string", "value": "={{ $json.body.message_id || $json.body.id || '' }}" } ] } }, "typeVersion": 3.4 }, { "id": "f1a10005-0005-4000-a000-000000000005", "name": "Stop - Invalid Payload", "type": "n8n-nodes-base.stopAndError", "position": [ 896, 512 ], "parameters": {}, "typeVersion": 1 }, { "id": "f1a10006-0006-4000-a000-000000000006", "name": "Classify Reply - OpenAI", "type": "@n8n/n8n-nodes-langchain.openAi", "onError": "continueRegularOutput", "position": [ 1120, 320 ], "parameters": { "modelId": { "__rl": true, "mode": "list", "value": "gpt-4o-mini", "cachedResultName": "GPT-4O-MINI" }, "options": {}, "messages": { "values": [ { "role": "system", "content": "You are a cold email reply classifier for a B2B outbound sales team. Analyze the email reply and classify the lead buying temperature.\n\nClassification criteria:\n\nHOT - Strong buying signals:\n- Asking about pricing, packages, or next steps\n- Requesting a call, demo, or meeting\n- Expressing clear interest in the service\n- Asking detailed questions about capabilities\n- Yes let us talk or similar affirmative responses\n\nWARM - Moderate interest:\n- Asking general questions without commitment\n- Requesting more information\n- Polite interest but no urgency\n- Tell me more or Send me details type responses\n- Forwarding to a colleague or decision maker\n\nCOLD - No buying intent:\n- Unsubscribe requests\n- Not interested responses\n- Out of office replies\n- Angry or negative responses\n- Already have a solution or no need\n- Asking to be removed from list\n\nRespond ONLY with valid JSON: {\"classification\": \"HOT\", \"reasoning\": \"Brief explanation\", \"key_signals\": \"The specific phrases or signals detected\"}" }, { "content": "=From: {{ $json.lead_name }} <{{ $json.lead_email }}>\nSubject: {{ $json.subject }}\nCampaign: {{ $json.campaign_name }}\n\nReply:\n{{ $json.reply_body }}" } ] }, "jsonOutput": true }, "credentials": { "openAiApi": { "name": "" } }, "typeVersion": 1.8 }, { "id": "f1a10007-0007-4000-a000-000000000007", "name": "Parse Classification", "type": "n8n-nodes-base.set", "position": [ 1472, 320 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "p1a1+1234567890-a+1234567890", "name": "classification", "type": "string", "value": "={{ $json.message.content.classification || 'WARM' }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "reasoning", "type": "string", "value": "={{ $json.message.content.reasoning || 'Classification unavailable' }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "key_signals", "type": "string", "value": "={{ $json.message.content.key_signals || '' }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "lead_email", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.lead_email }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "lead_name", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.lead_name }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "reply_body", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.reply_body }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "subject", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.subject }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "campaign_name", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.campaign_name }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "received_at", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.received_at }}" }, { "id": "p1a1+1234567890-a+1234567890", "name": "message_id", "type": "string", "value": "={{ $('Extract Lead Fields').item.json.message_id }}" } ] } }, "typeVersion": 3.4 }, { "id": "f1a10008-0008-4000-a000-000000000008", "name": "Is HOT?", "type": "n8n-nodes-base.if", "position": [ 1696, 320 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "r1a1+1234567890-a+1234567890", "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.classification }}", "rightValue": "HOT" } ] } }, "typeVersion": 2.2 }, { "id": "f1a10009-0009-4000-a000-000000000009", "name": "Is WARM?", "type": "n8n-nodes-base.if", "position": [ 1920, 416 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "r1a1+1234567890-a+1234567890", "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.classification }}", "rightValue": "WARM" } ] } }, "typeVersion": 2.2 }, { "id": "f1a10010-0010-4000-a000-000000000010", "name": "Telegram - HOT Lead", "type": "n8n-nodes-base.telegram", "position": [ 2144, 128 ], "parameters": { "chatId": "YOUR_TELEGRAM_CHAT_ID", "additionalFields": { "parse_mode": "Markdown" } }, "typeVersion": 1.2 }, { "id": "f1a10011-0011-4000-a000-000000000011", "name": "Telegram - WARM Lead", "type": "n8n-nodes-base.telegram", "position": [ 2144, 320 ], "parameters": { "chatId": "YOUR_TELEGRAM_CHAT_ID", "additionalFields": { "parse_mode": "Markdown" } }, "typeVersion": 1.2 }, { "id": "f1a10012-0012-4000-a000-000000000012", "name": "Telegram - COLD Lead", "type": "n8n-nodes-base.telegram", "position": [ 2368, 512 ], "parameters": { "chatId": "YOUR_TELEGRAM_CHAT_ID", "additionalFields": { "parse_mode": "Markdown" } }, "typeVersion": 1.2 }, { "id": "f1a10013-0013-4000-a000-000000000013", "name": "Auto-Ack HOT Gmail", "type": "n8n-nodes-base.gmail", "onError": "continueRegularOutput", "position": [ 2368, 128 ], "parameters": { "sendTo": "={{ $json.lead_email }}", "message": "=Hi {{ $json.lead_name }},\n\nThanks for getting back to me! I'll have a detailed response for you shortly.\n\nBest regards", "options": {}, "subject": "=Re: {{ $json.subject }}", "emailType": "text" }, "typeVersion": 2.1 }, { "id": "f1a10014-0014-4000-a000-000000000014", "name": "Auto-Ack WARM Gmail", "type": "n8n-nodes-base.gmail", "onError": "continueRegularOutput", "position": [ 2368, 320 ], "parameters": { "sendTo": "={{ $json.lead_email }}", "message": "=Hi {{ $json.lead_name }},\n\nAppreciate the reply! Let me get back to you with more details.\n\nBest regards", "options": {}, "subject": "=Re: {{ $json.subject }}", "emailType": "text" }, "typeVersion": 2.1 }, { "id": "f1a10015-0015-4000-a000-000000000015", "name": "Log Reply to Sheet", "type": "n8n-nodes-base.googleSheets", "position": [ 2624, 320 ], "parameters": { "columns": { "value": { "subject": "={{ $('Parse Classification').item.json.subject }}", "campaign": "={{ $('Parse Classification').item.json.campaign_name }}", "lead_name": "={{ $('Parse Classification').item.json.lead_name }}", "reasoning": "={{ $('Parse Classification').item.json.reasoning }}", "timestamp": "={{ $('Parse Classification').item.json.received_at }}", "lead_email": "={{ $('Parse Classification').item.json.lead_email }}", "auto_ack_sent": "={{ ['HOT', 'WARM'].includes($('Parse Classification').item.json.classification) ? 'Yes' : 'No' }}", "reply_snippet": "={{ $('Parse Classification').item.json.reply_body.substring(0, 200) }}", "classification": "={{ $('Parse Classification').item.json.classification }}", "manual_reply_at": "", "manual_reply_sent": "" }, "schema": [], "mappingMode": "defineBelow", "matchingColumns": [] }, "options": {}, "operation": "append", "sheetName": { "__rl": true, "mode": "list", "value": "Sheet1", "cachedResultName": "Sheet1" }, "documentId": { "__rl": true, "mode": "id", "value": "YOUR_GOOGLE_SHEET_ID" } }, "typeVersion": 4.5 }, { "id": "d0b12e38-005c-437d-ad7b-026e7484ab3f", "name": "Section - Intake", "type": "n8n-nodes-base.stickyNote", "position": [ 176, 208 ], "parameters": { "color": 4, "width": 868, "height": 456, "content": "### Receive & validate\nInstantly sends a webhook on reply. Respond 200 immediately, validate the payload has an email and reply body, then normalize lead fields. Invalid payloads stop here." }, "typeVersion": 1 }, { "id": "907d68c4-c8d7-4231-aff2-7be691743c86", "name": "Section - Classify", "type": "n8n-nodes-base.stickyNote", "position": [ 1056, 208 ], "parameters": { "color": 5, "width": 558, "height": 452, "content": "### Classify with AI\nSends lead data to GPT-4o-mini with classification criteria. Returns HOT, WARM, or COLD with reasoning and detected key signals." }, "typeVersion": 1 }, { "id": "bdeef9f4-68d8-4ae1-87c0-d94a52f71d46", "name": "Section - Route", "type": "n8n-nodes-base.stickyNote", "position": [ 1632, 32 ], "parameters": { "color": 6, "width": 1212, "height": 636, "content": "### Route, notify & log\nRoutes by classification. Each tier gets a formatted Telegram alert. HOT and WARM leads receive an instant auto-ack email via Gmail. All replies are logged to Google Sheets." }, "typeVersion": 1 }, { "id": "d5fb109f-1375-4d0d-8a01-449cfd451734", "name": "Warning", "type": "n8n-nodes-base.stickyNote", "position": [ 176, 80 ], "parameters": { "color": 3, "width": 436, "height": 120, "content": "**Dont Forget To** Replace YOUR_TELEGRAM_CHAT_ID in all three Telegram nodes and YOUR_GOOGLE_SHEET_ID in the Log Reply node. Configure the Instantly webhook to point to this workflow's URL." }, "typeVersion": 1 }, { "id": "75990737-a673-433c-a124-d0d6ca384cfd", "name": "Main Description", "type": "n8n-nodes-base.stickyNote", "position": [ -496, -208 ], "parameters": { "color": "#65683B", "width": 660, "height": 868, "content": "## Classify Cold Email Replies and Notify via Telegram\n\nClassifies incoming cold email replies from Instantly as HOT, WARM, or COLD using OpenAI, sends Telegram notifications by priority, and auto-acknowledges engaged leads via Gmail.\n\n### How it works\n\n1. **Instantly Reply Webhook** receives the reply event, then **Respond 200 OK** acknowledges immediately\n2. **Validate Payload** checks for required fields (email and reply body). Invalid payloads hit **Stop**\n3. **Extract Lead Fields** normalizes lead data (email, name, subject, campaign, timestamp)\n4. **Classify Reply - OpenAI** (GPT-4o-mini) classifies as HOT, WARM, or COLD with reasoning and key signals\n5. **Parse Classification** extracts the verdict and carries forward lead data\n6. **Is HOT? / Is WARM?** routes to the correct notification branch\n7. **Telegram** sends a priority-formatted alert per tier. **Auto-Ack Gmail** instantly replies to HOT and WARM leads\n8. **Log Reply to Sheet** records every reply with classification, campaign, reasoning, and auto-ack status\n\n### Setup\n\n- [ ] Connect OpenAI, Gmail, Telegram Bot, Google Sheets, and Header Auth credentials\n- [ ] Replace YOUR_TELEGRAM_CHAT_ID in all three Telegram nodes\n- [ ] Create a Google Sheet with columns: timestamp, lead_email, lead_name, classification, campaign, subject, reply_snippet, reasoning, auto_ack_sent, manual_reply_sent, manual_reply_at\n- [ ] Replace YOUR_GOOGLE_SHEET_ID in the Log Reply node\n- [ ] Configure Instantly webhook: Settings > Integrations > Webhooks > reply_received > paste n8n webhook URL\n\n### Customization\n\n- Edit the OpenAI system prompt to adjust classification criteria\n- Modify auto-ack email copy in the Gmail nodes\n- Swap Telegram for Slack notifications" }, "typeVersion": 1 } ], "active": false, "settings": { "binaryMode": "separate", "callerPolicy": "workflowsFromSameOwner", "availableInMCP": false, "executionOrder": "v1" }, "versionId": "df051b06-dd00-4e34-b500-792c7c7501d5", "connections": { "Is HOT?": { "main": [ [ { "node": "Telegram - HOT Lead", "type": "main", "index": 0 } ], [ { "node": "Is WARM?", "type": "main", "index": 0 } ] ] }, "Is WARM?": { "main": [ [ { "node": "Telegram - WARM Lead", "type": "main", "index": 0 } ], [ { "node": "Telegram - COLD Lead", "type": "main", "index": 0 } ] ] }, "Respond 200 OK": { "main": [ [ { "node": "Validate Payload", "type": "main", "index": 0 } ] ] }, "Validate Payload": { "main": [ [ { "node": "Extract Lead Fields", "type": "main", "index": 0 } ], [ { "node": "Stop - Invalid Payload", "type": "main", "index": 0 } ] ] }, "Auto-Ack HOT Gmail": { "main": [ [ { "node": "Log Reply to Sheet", "type": "main", "index": 0 } ] ] }, "Auto-Ack WARM Gmail": { "main": [ [ { "node": "Log Reply to Sheet", "type": "main", "index": 0 } ] ] }, "Extract Lead Fields": { "main": [ [ { "node": "Classify Reply - OpenAI", "type": "main", "index": 0 } ] ] }, "Telegram - HOT Lead": { "main": [ [ { "node": "Auto-Ack HOT Gmail", "type": "main", "index": 0 } ] ] }, "Parse Classification": { "main": [ [ { "node": "Is HOT?", "type": "main", "index": 0 } ] ] }, "Telegram - COLD Lead": { "main": [ [ { "node": "Log Reply to Sheet", "type": "main", "index": 0 } ] ] }, "Telegram - WARM Lead": { "main": [ [ { "node": "Auto-Ack WARM Gmail", "type": "main", "index": 0 } ] ] }, "Classify Reply - OpenAI": { "main": [ [ { "node": "Parse Classification", "type": "main", "index": 0 } ] ] }, "Instantly Reply Webhook": { "main": [ [ { "node": "Respond 200 OK", "type": "main", "index": 0 } ] ] } } }