{"id": "zMtPPjJ80JJznrJP", "name": "AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs", "nodes": [{"id": "38246f5d-0cf4-49ed-957e-0189243d0dec", "name": "WhatsApp Trigger", "type": "n8n-nodes-base.whatsAppTrigger", "position": [-700, 80], "webhookId": "d3978cae-2aca-4553-8ac7-ab89068deabc", "parameters": {"options": {}, "updates": ["messages"]}, "credentials": {"whatsAppTriggerApi": {"id": "gylriO2te7NRPXxN", "name": "WhatsApp OAuth account"}}, "typeVersion": 1}, {"id": "4cc0b70b-3ecc-4415-af2f-e50d4f302786", "name": "Download Image", "type": "n8n-nodes-base.httpRequest", "position": [720, 120], "parameters": {"url": "={{ $json.url }}", "options": {}, "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2}, {"id": "528984be-b9ad-41c7-8b2e-ccbf275f7805", "name": "Analyze Image", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [960, 120], "parameters": {"text": "=You are an advanced image description AI assistant . Your primary function is to provide detailed, accurate descriptions of images submitted through WhatsApp.\n\nCORE FUNCTIONALITY:\n- When presented with an image, you will analyze it thoroughly and provide a comprehensive description in English.\n- Your descriptions should capture both the obvious and subtle elements within the image.\n\nIMAGE DESCRIPTION GUIDELINES:\n- Begin with a broad overview of what the image contains\n- Describe key subjects, people, objects, and their relationships\n- Note significant visual elements such as colors, lighting, composition, and perspective\n- Identify any text visible in the image\n- Describe the setting or environment\n- Mention any notable actions or events taking place\n- Comment on mood, tone, or atmosphere when relevant\n- If applicable, identify landmarks, famous people, or cultural references\n\nRESPONSE FORMAT:\n- Start with \"Image Description:\" followed by your analysis\n- Structure your description in a logical manner (general to specific)\n- Use clear, precise language appropriate for visual description\n- Format longer descriptions with paragraphs to enhance readability\n- End with any notable observations that might require special attention\n\nLIMITATIONS:\n- If the image is blurry, low resolution, or difficult to interpret, acknowledge these limitations\n- If an image contains potentially sensitive content, provide a factual description without judgment\n- Do not make assumptions about elements that cannot be clearly determined\n\nYour descriptions should be informative, objective, and thorough, enabling someone who cannot see the image to form an accurate mental picture of its contents.", "modelId": {"__rl": true, "mode": "list", "value": "gpt-4o-mini", "cachedResultName": "GPT-4O-MINI"}, "options": {"detail": "auto"}, "resource": "image", "inputType": "base64", "operation": "analyze"}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.8}, {"id": "b8898138-f987-4ef7-a5c1-d6d6b9c815f0", "name": "Download Audio", "type": "n8n-nodes-base.httpRequest", "position": [720, -180], "parameters": {"url": "={{ $json.url }}", "options": {}, "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2}, {"id": "e68bea55-f43a-4143-afca-1348b35e5879", "name": "Transcribe Audio", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [960, -180], "parameters": {"options": {}, "resource": "audio", "operation": "transcribe"}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.8}, {"id": "1c0aa0c3-cee4-40f1-9e13-9365cc06443a", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [160, 1440], "parameters": {"model": {"__rl": true, "mode": "list", "value": "gpt-4o-mini"}, "options": {}}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.2}, {"id": "d2215cf8-49e1-433b-b9c3-a219e6432cba", "name": "AI Agent1", "type": "@n8n/n8n-nodes-langchain.agent", "position": [160, 1220], "parameters": {"text": "={{ $json.text }}", "options": {"systemMessage": "You are an intelligent assistant. Your purpose is to analyze various types of input and provide helpful, accurate responses.\n\nCAPABILITIES:\n- Process and respond to text messages\n- Analyze uploaded files\n- Interpret and describe images\n- Transcribe and understand voice messages\n\nINPUT HANDLING:\n1. For text messages: Analyze the content, understand the intent, and provide a relevant response.\n2. For file analysis: Examine the file content, extract key information, and summarize important points also based on the questions asked.\n3. For image analysis: Describe what you see in the image, identify key elements, and respond to any questions about the image.\n4. For voice messages: Transcribe the audio, understand the message, and respond appropriately.\n\nRESPONSE GUIDELINES:\n- Be concise but thorough\n- Prioritize accuracy over speculation\n- Maintain a professional and helpful tone\n- When uncertain, acknowledge limitations\n- Format responses for easy reading on mobile devices\n- Include actionable information when appropriate\n\nLIMITATIONS:\n- Mention if you're unable to process certain file formats\n- Indicate if an image is unclear or if details are difficult to discern\n- Note if audio quality impacts transcription accuracy\n\nSECURITY & PRIVACY:\n- Do not store or remember sensitive information shared in files, images, or voice notes\n- Do not share personal information across different user interactions\n- Inform users about data privacy limitations when relevant\n\nAnalyze all inputs carefully before responding. Your goal is to provide value through accurate information and helpful assistance."}, "promptType": "define"}, "typeVersion": 1.8}, {"id": "103825d0-8521-43c7-8246-9cc1faca42e1", "name": "Download File", "type": "n8n-nodes-base.httpRequest", "position": [720, 460], "parameters": {"url": "={{ $json.url }}", "options": {}, "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2}, {"id": "98077f98-6dcf-4932-9363-19bf1fdc299e", "name": "Extract from File", "type": "n8n-nodes-base.extractFromFile", "position": [980, 460], "parameters": {"options": {}, "operation": "pdf"}, "typeVersion": 1}, {"id": "fefc8b87-d64e-4ff9-9f62-1ac3af2bf17e", "name": "Simple Memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow", "position": [300, 1440], "parameters": {"sessionKey": "=memory_{{ $('WhatsApp Trigger').item.json.contacts[0].wa_id }}", "sessionIdType": "customKey", "contextWindowLength": 10}, "typeVersion": 1.3}, {"id": "83ac997d-6ba0-4eb7-bd6c-80671f03c56c", "name": "Get File Url", "type": "n8n-nodes-base.whatsApp", "position": [500, 460], "webhookId": "280bd5de-32d7-4d8f-93d2-e91e3b0bc161", "parameters": {"resource": "media", "operation": "mediaUrlGet", "mediaGetId": "={{ $('WhatsApp Trigger').item.json.messages[0].document.id }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1}, {"id": "56b23f60-57c3-4ea7-a4e8-64029a2e44c1", "name": "Only PDF File", "type": "n8n-nodes-base.if", "position": [220, 480], "parameters": {"options": {}, "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "f52d2aaa-e0b2-45e5-8c4b-ceef42182a0d", "operator": {"name": "filter.operator.equals", "type": "string", "operation": "equals"}, "leftValue": "={{ $json.messages[0].document.mime_type }}", "rightValue": "application/pdf"}]}}, "typeVersion": 2.2}, {"id": "fa733b7b-16a7-4a9b-86b3-88395535ecd5", "name": "Fix mimeType for Audio", "type": "n8n-nodes-base.code", "position": [1040, 1080], "parameters": {"jsCode": "for (const item of $input.all()) {\n  if (item.binary) {\n    const binaryPropertyNames = Object.keys(item.binary);\n    for (const propName of binaryPropertyNames) {\n      if (item.binary[propName].mimeType === 'audio/mp3') {\n        item.binary[propName].mimeType = 'audio/mpeg';\n      }\n    }\n  }\n}\n\nreturn $input.all();"}, "typeVersion": 2}, {"id": "0d99c2fa-945b-487a-b929-742e8b1b6859", "name": "Send message", "type": "n8n-nodes-base.whatsApp", "position": [840, 1360], "webhookId": "23834751-5066-48ba-8e19-549680df2b27", "parameters": {"textBody": "={{ $json.output }}", "operation": "send", "phoneNumberId": "470271332838881", "additionalFields": {}, "recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1}, {"id": "046328e9-e948-479c-ac42-567877350f1e", "name": "Send audio", "type": "n8n-nodes-base.whatsApp", "position": [1260, 1080], "webhookId": "d18b2c98-84e4-43cf-a532-0c47d5161684", "parameters": {"mediaPath": "useMedian8n", "operation": "send", "messageType": "audio", "phoneNumberId": "470271332838881", "additionalFields": {}, "recipientPhoneNumber": "={{ $('Input type').item.json.contacts[0].wa_id }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1}, {"id": "aa20a408-42ab-4011-9cea-331e23cda4ce", "name": "Incorrect format", "type": "n8n-nodes-base.whatsApp", "position": [500, 700], "webhookId": "23834751-5066-48ba-8e19-549680df2b27", "parameters": {"textBody": "=Sorry but you can only send PDF files", "operation": "send", "phoneNumberId": "470271332838881", "additionalFields": {}, "recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1}, {"id": "23b3750d-3638-4fd0-bab8-6082f53f19f9", "name": "Text", "type": "n8n-nodes-base.set", "position": [1240, -520], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "c53cd9f9-77c1-4331-98ff-bfc9bdf95a3c", "name": "text", "type": "string", "value": "={{ $('WhatsApp Trigger').item.json.messages[0].text.body }}"}]}}, "typeVersion": 3.4}, {"id": "435c020b-826b-4946-b19e-f9663f4f9f23", "name": "Audio", "type": "n8n-nodes-base.set", "position": [1240, -180], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "219577d5-b028-48fc-90be-980f4171ab68", "name": "text", "type": "string", "value": "={{ $json.text }}"}]}}, "typeVersion": 3.4}, {"id": "0139bb33-651e-4f37-901d-ccc705c9833a", "name": "Image", "type": "n8n-nodes-base.set", "position": [1220, 120], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "67552183-de2e-494a-878e-c2948e8cb6bb", "name": "text", "type": "string", "value": "=User request on the image:\n{{ \"Describe the following image\"