Workflow: AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs
Integrations: code, extractFromFile, httpRequest, if, noOp, set, stickyNote, switch, whatsApp, whatsAppTrigger

{"id": "zMtPPjJ80JJznrJP", "meta": {"instanceId": "workflow-d056b093", "versionId": "1.0.0", "createdAt": "2025-09-29T07:07:43.936784", "updatedAt": "2025-09-29T07:07:43.936799", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production"}, "name": "AI-Powered WhatsApp Chatbot for Text, Voice, Images & PDFs", "tags": ["automation", "n8n", "production-ready", "excellent", "optimized"], "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, "notes": "This whatsAppTrigger node performs automated tasks as part of the workflow."}, {"id": "4cc0b70b-3ecc-4415-af2f-e50d4f302786", "name": "Download Image", "type": "n8n-nodes-base.httpRequest", "position": [720, 120], "parameters": {"url": "{{ $env.BASE_URL }}", "options": {}, "authentication": "{{ $credentials.genericCredentialType }}", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2, "notes": "This httpRequest node performs automated tasks as part of the workflow."}, {"id": "528984be-b9ad-41c7-8b2e-ccbf275f7805", "name": "Analyze Image", "type": "n8n-nodes-base.noOp", "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, "notes": "This openAi node performs automated tasks as part of the workflow."}, {"id": "b8898138-f987-4ef7-a5c1-d6d6b9c815f0", "name": "Download Audio", "type": "n8n-nodes-base.httpRequest", "position": [720, -180], "parameters": {"url": "{{ $env.BASE_URL }}", "options": {}, "authentication": "{{ $credentials.genericCredentialType }}", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2, "notes": "This httpRequest node performs automated tasks as part of the workflow."}, {"id": "e68bea55-f43a-4143-afca-1348b35e5879", "name": "Transcribe Audio", "type": "n8n-nodes-base.noOp", "position": [960, -180], "parameters": {"options": {}, "resource": "audio", "operation": "transcribe"}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.8, "notes": "This openAi node performs automated tasks as part of the workflow."}, {"id": "1c0aa0c3-cee4-40f1-9e13-9365cc06443a", "name": "OpenAI Chat Model", "type": "n8n-nodes-base.noOp", "position": [160, 1440], "parameters": {"model": {"__rl": true, "mode": "list", "value": "gpt-4o-mini"}, "options": {}}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.2, "notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."}, {"id": "d2215cf8-49e1-433b-b9c3-a219e6432cba", "name": "AI Agent1", "type": "n8n-nodes-base.noOp", "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, "notes": "This agent node performs automated tasks as part of the workflow."}, {"id": "103825d0-8521-43c7-8246-9cc1faca42e1", "name": "Download File", "type": "n8n-nodes-base.httpRequest", "position": [720, 460], "parameters": {"url": "{{ $env.BASE_URL }}", "options": {}, "authentication": "{{ $credentials.genericCredentialType }}", "genericAuthType": "httpHeaderAuth"}, "credentials": {"httpHeaderAuth": {"id": "FDP9FxauzJt9rkjr", "name": "WhatsApp"}}, "typeVersion": 4.2, "notes": "This httpRequest node performs automated tasks as part of the workflow."}, {"id": "98077f98-6dcf-4932-9363-19bf1fdc299e", "name": "Extract from File", "type": "n8n-nodes-base.extractFromFile", "position": [980, 460], "parameters": {"options": {}, "operation": "pdf"}, "typeVersion": 1, "notes": "This extractFromFile node performs automated tasks as part of the workflow."}, {"id": "fefc8b87-d64e-4ff9-9f62-1ac3af2bf17e", "name": "Simple Memory", "type": "n8n-nodes-base.noOp", "position": [300, 1440], "parameters": {"sessionKey": "YOUR_CREDENTIAL_HERE", "sessionIdType": "customKey", "contextWindowLength": 10}, "typeVersion": 1.3, "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."}, {"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, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"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, "notes": "This if node performs automated tasks as part of the workflow."}, {"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, "notes": "This code node performs automated tasks as part of the workflow."}, {"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, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"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, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"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, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"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, "notes": "This set node performs automated tasks as part of the workflow."}, {"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, "notes": "This set node performs automated tasks as part of the workflow."}, {"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\" || $('WhatsApp Trigger').item.json.messages[0].image.caption }}\n\nImage description:\n{{ $json.content }}"}]}}, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow."}, {"id": "d66b7190-f83b-483e-b3f3-8c220e2c815f", "name": "File", "type": "n8n-nodes-base.set", "position": [1240, 460], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "67552183-de2e-494a-878e-c2948e8cb6bb", "name": "text", "type": "string", "value": "=User request on the file:\n{{ \"Describe this file\" || $('Only PDF File').item.json.messages[0].document.caption }}\n\nFile content:\n{{ $json.text }}"}]}}, "typeVersion": 3.4, "notes": "This set node performs automated tasks as part of the workflow."}, {"id": "20239933-418c-436f-b15b-c293043a0328", "name": "Not supported", "type": "n8n-nodes-base.whatsApp", "position": [-260, 360], "webhookId": "23834751-5066-48ba-8e19-549680df2b27", "parameters": {"textBody": "=You can only send text messages, images, audio files and PDF documents.", "operation": "send", "phoneNumberId": "470271332838881", "additionalFields": {}, "recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"id": "117fd705-1f64-4bcc-88db-357df679fa3d", "name": "Get Image Url", "type": "n8n-nodes-base.whatsApp", "position": [480, 120], "webhookId": "280bd5de-32d7-4d8f-93d2-e91e3b0bc161", "parameters": {"resource": "media", "operation": "mediaUrlGet", "mediaGetId": "={{ $('WhatsApp Trigger').item.json.messages[0].image.id }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"id": "3bf7364c-6263-4825-aec5-693adaed7d03", "name": "Get Audio Url", "type": "n8n-nodes-base.whatsApp", "position": [460, -180], "webhookId": "87caa300-7204-47b5-959a-94f4a8fbf8cf", "parameters": {"resource": "media", "operation": "mediaUrlGet", "mediaGetId": "={{ $('WhatsApp Trigger').item.json.messages[0].audio.id }}"}, "credentials": {"whatsAppApi": {"id": "HDUOWQXeRXMVjo0Z", "name": "WhatsApp account"}}, "typeVersion": 1, "notes": "This whatsApp node performs automated tasks as part of the workflow."}, {"id": "b23f8467-480a-45c1-a7df-e512290a8e13", "name": "Generate Audio Response", "type": "n8n-nodes-base.noOp", "position": [840, 1080], "parameters": {"input": "={{ $('AI Agent1').item.json.output }}", "voice": "onyx", "options": {}, "resource": "audio"}, "credentials": {"openAiApi": {"id": "4zwP0MSr8zkNvvV9", "name": "OpenAi account"}}, "typeVersion": 1.8, "notes": "This openAi node performs automated tasks as part of the workflow."}, {"id": "0b139e60-fbf3-43ae-ae3f-40588f135443", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [120, -560], "parameters": {"width": 1340, "height": 240, "content": "## Text"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "3622ad4c-79c7-479f-a050-ff21d3077c77", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [120, -240], "parameters": {"width": 1340, "height": 240, "content": "## Voice"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "1f35e179-22d1-4019-a807-21803df51a46", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [120, 80], "parameters": {"width": 1340, "height": 240, "content": "## Image"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "314b8ae2-e518-44a3-80a5-dc8482ab1fa9", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [120, 420], "parameters": {"width": 1340, "height": 240, "content": "## Document"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "a55cc899-3490-4b7c-b793-4f20605fc711", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [120, 960], "parameters": {"color": 5, "width": 1340, "height": 600, "content": "## Response"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "f37e975b-c112-4af8-badd-1fdbdb90d2f5", "name": "From audio to audio?", "type": "n8n-nodes-base.if", "position": [580, 1220], "parameters": {"options": {}, "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "b9d1d759-f585-4791-a743-b9d72951e77c", "operator": {"type": "object", "operation": "exists", "singleValue": true}, "leftValue": "={{ $('WhatsApp Trigger').item.json.messages[0].audio }}", "rightValue": ""}]}}, "typeVersion": 2.2, "notes": "This if node performs automated tasks as part of the workflow."}, {"id": "864be43a-e280-4c6d-bab4-878b88304807", "name": "Input type", "type": "n8n-nodes-base.switch", "position": [-420, 40], "parameters": {"rules": {"values": [{"outputKey": "YOUR_CREDENTIAL_HERE", "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "08fd0c80-307e-4f45-b1de-35192ee4ec5e", "operator": {"type": "string", "operation": "exists", "singleValue": true}, "leftValue": "={{ $json.messages[0].text.body }}", "rightValue": ""}]}, "renameOutput": true}, {"outputKey": "YOUR_CREDENTIAL_HERE", "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "b7b64446-f1ea-4622-990c-22f3999a8269", "operator": {"type": "object", "operation": "exists", "singleValue": true}, "leftValue": "={{ $json.messages[0].audio }}", "rightValue": ""}]}, "renameOutput": true}, {"outputKey": "YOUR_CREDENTIAL_HERE", "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "202af928-a324-411a-bf15-68a349e7bf9e", "operator": {"type": "object", "operation": "exists", "singleValue": true}, "leftValue": "={{ $json.messages[0].image }}", "rightValue": ""}]}, "renameOutput": true}, {"outputKey": "YOUR_CREDENTIAL_HERE", "conditions": {"options": {"version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict"}, "combinator": "and", "conditions": [{"id": "c63299e9-6069-4bc6-afb9-7beebf6e3d69", "operator": {"type": "object", "operation": "exists", "singleValue": true}, "leftValue": "={{ $json.messages[0].document }}", "rightValue": ""}]}, "renameOutput": true}]}, "options": {"fallbackOutput": "extra"}}, "typeVersion": 3.2, "notes": "This switch node performs automated tasks as part of the workflow."}, {"id": "cf327372-d2cc-40db-a057-9bfb10d6a520", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [-1580, -1140], "parameters": {"color": 3, "width": 780, "height": 2680, "content": "How to obtain Whatsapp API?\n\n\n### \u2705 Prerequisites\nBefore you begin, make sure you have:\n- A **Meta Business Account**\n- A **Facebook Developer Account**\n- A **Verified Business**\n- A **Phone Number** to link to WhatsApp\n- Access to **Meta's Graph API Explorer** or **Meta for Developers portal**\n\n---\n\n### \ud83e\ude9c STEP 1: Create a Meta App\n\n1. Go to [{{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}\n2. Click **\u201cCreate App\u201d**\n3. Choose **\"Business\"** as the app type, then click **Next**\n4. Give your app a name and enter a contact email\n5. Choose your Business Account (or create one)\n6. Click **Create App**\n\n---\n\n### \ud83e\ude9c STEP 2: Add WhatsApp Product\n\n1. In your app dashboard, scroll down to **\"Add a Product\"**\n2. Find **\"WhatsApp\"** and click **\u201cSet Up\u201d**\n3. Link your **Business Manager Account**\n\n---\n\n### \ud83e\ude9c STEP 3: Create a WhatsApp Business Account (if needed)\n\n1. If you haven\u2019t already, go to [{{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}\n2. Click **\u201cCreate Account\u201d**, and complete your business information\n3. Go to **Business Settings > Accounts > WhatsApp Accounts**\n4. Add a **Phone Number** (you'll receive a verification code)\n\n---\n\n### \ud83e\ude9c STEP 4: Generate a Temporary Access Token (for development)\n\n1. In the **App Dashboard**, go to **WhatsApp > Getting Started**\n2. Choose your test phone number\n3. Copy the **temporary access token** (valid for 24 hours)\n4. Copy the **Phone Number ID** and **WhatsApp Business Account ID**\n\n\u2705 Save these 3 values:\n- **Access Token**\n- **Phone Number ID**\n- **WABA ID**\n\n\ud83d\udcdd Tip: For production, you will later need to create a **permanent token** (see step 7).\n\n---\n\n### \ud83e\ude9c STEP 5: Set Up a Webhook URL (n8n)\n\n1. In n8n, set up a **Webhook node** (or use the `WhatsApp Trigger` node)\n2. Copy the webhook URL\n3. In the Meta Developer Dashboard:\n   - Go to **WhatsApp > Configuration**\n   - Click **\u201cEdit Callback URL\u201d**\n   - Paste your n8n webhook URL and add a random **verify token**\n4. In n8n, configure your webhook to respond to the verification request\n\n---\n\n### \ud83e\ude9c STEP 6: Subscribe to Webhook Fields\n\n1. Still under **WhatsApp > Configuration**, click **\"Manage Subscriptions\"**\n2. Enable:\n   - `messages`\n   - `message_status`\n   - (Optionally `message_template_status_update`)\n\n---\n\n### \ud83e\ude9c STEP 7: (Optional but recommended) Generate a Permanent Token\n\n1. Go to [{{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}\n2. Select your app\n3. Click **Get Token > System User Token**\n4. Select the permissions:\n   - `whatsapp_business_management`\n   - `whatsapp_business_messaging`\n   - `business_management`\n5. Click **Generate Token**\n6. Copy and securely store this token\n\n---\n\n### \ud83e\ude9c STEP 8: Configure Credentials in n8n\n\n1. Go to **n8n > Settings > Credentials**\n2. Create new credentials of type **HTTP Header Auth**\n   - **Name:** WhatsApp\n   - **Header Name:** `Authorization`\n   - **Value:** `Bearer <your_access_token>`\n3. Save\n\nThen, in your workflows:\n- Use the HTTP Request node or WhatsApp node\n- Set the `phone_number_id` in the node parameters\n- Connect it to your WhatsApp credential\n\n---\n\n### \ud83e\uddea STEP 9: Test the Connection\n\n1. Use a WhatsApp number to send a message to your business phone\n2. Your n8n workflow should be triggered\n3. 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