构建首个WhatsApp聊天机器人
高级
这是一个Sales, Building Blocks, AI领域的自动化工作流，包含 28 个节点。主要使用 Switch, WhatsApp, HttpRequest, ManualTrigger, Agent 等节点，结合人工智能技术实现智能自动化。 构建首个WhatsApp聊天机器人
前置要求
- •可能需要目标 API 的认证凭证
- •OpenAI API Key
使用的节点 (28)
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"meta": {
"instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9"
},
"nodes": [
{
"id": "77ee6494-4898-47dc-81d9-35daf6f0beea",
"name": "WhatsApp 触发器",
"type": "n8n-nodes-base.whatsAppTrigger",
"position": [
1360,
-280
],
"webhookId": "aaa71f03-f7af-4d18-8d9a-0afb86f1b554",
"parameters": {
"updates": [
"messages"
]
},
"credentials": {
"whatsAppTriggerApi": {
"id": "H3uYNtpeczKMqtYm",
"name": "WhatsApp OAuth account"
}
},
"typeVersion": 1
},
{
"id": "57210e27-1f89-465a-98cc-43f890a4bf58",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1960,
-200
],
"parameters": {
"model": "gpt-4o-2024-08-06",
"options": {}
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "e1053235-0ade-4e36-9ad2-8b29c78fced8",
"name": "窗口缓冲记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
2080,
-200
],
"parameters": {
"sessionKey": "=whatsapp-75-{{ $json.messages[0].from }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.2
},
{
"id": "69f1b78b-7c93-4713-863a-27e04809996f",
"name": "Vector Store Tool",
"type": "@n8n/n8n-nodes-langchain.toolVectorStore",
"position": [
2200,
-200
],
"parameters": {
"name": "query_product_brochure",
"description": "调用此工具来查询产品手册。适用于 2024 年。"
},
"typeVersion": 1
},
{
"id": "170e8f7d-7e14-48dd-9f80-5352cc411fc1",
"name": "Embeddings OpenAI",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
2200,
80
],
"parameters": {
"model": "text-embedding-3-small",
"options": {}
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "ee78320b-d407-49e8-b4b8-417582a44709",
"name": "OpenAI 聊天模型1",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2440,
-60
],
"parameters": {
"model": "gpt-4o-2024-08-06",
"options": {}
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "9dd89378-5acf-4ca6-8d84-e6e64254ed02",
"name": "当点击\"测试工作流\"时",
"type": "n8n-nodes-base.manualTrigger",
"position": [
0,
-240
],
"parameters": {},
"typeVersion": 1
},
{
"id": "e68fc137-1bcb-43f0-b597-3ae07f380c15",
"name": "嵌入 OpenAI1",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
760,
-20
],
"parameters": {
"model": "text-embedding-3-small",
"options": {}
},
"credentials": {
"openAiApi": {
"id": "8gccIjcuf3gvaoEr",
"name": "OpenAi account"
}
},
"typeVersion": 1
},
{
"id": "2d31e92b-18d4-4f6b-8cdb-bed0056d50d7",
"name": "默认数据加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
900,
-20
],
"parameters": {
"options": {},
"jsonData": "={{ $('Extract from File').item.json.text }}",
"jsonMode": "expressionData"
},
"typeVersion": 1
},
{
"id": "ca0c015e-fba2-4dca-b0fe-bac66681725a",
"name": "递归字符文本分割器",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
900,
100
],
"parameters": {
"options": {},
"chunkSize": 2000,
"chunkOverlap": {}
},
"typeVersion": 1
},
{
"id": "63abb6b2-b955-4e65-9c63-3211dca65613",
"name": "从文件提取",
"type": "n8n-nodes-base.extractFromFile",
"position": [
360,
-240
],
"parameters": {
"options": {},
"operation": "pdf"
},
"typeVersion": 1
},
{
"id": "be2add9c-3670-4196-8c38-82742bf4f283",
"name": "获取产品手册",
"type": "n8n-nodes-base.httpRequest",
"position": [
180,
-240
],
"parameters": {
"url": "https://usa.yamaha.com/files/download/brochure/1/1474881/Yamaha-Powered-Loudspeakers-brochure-2024-en-web.pdf",
"options": {}
},
"typeVersion": 4.2
},
{
"id": "1ae5a311-36d7-4454-ab14-6788d1331780",
"name": "回复用户",
"type": "n8n-nodes-base.whatsApp",
"position": [
2820,
-280
],
"parameters": {
"textBody": "={{ $json.output }}",
"operation": "send",
"phoneNumberId": "477115632141067",
"requestOptions": {},
"additionalFields": {
"previewUrl": false
},
"recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"
},
"credentials": {
"whatsAppApi": {
"id": "9SFJPeqrpChOkAmw",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "b6efba81-18b0-4378-bb91-51f39ca57f3e",
"name": "回复用户1",
"type": "n8n-nodes-base.whatsApp",
"position": [
1760,
80
],
"parameters": {
"textBody": "=I'm unable to process non-text messages. Please send only text messages. Thanks!",
"operation": "send",
"phoneNumberId": "477115632141067",
"requestOptions": {},
"additionalFields": {
"previewUrl": false
},
"recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"
},
"credentials": {
"whatsAppApi": {
"id": "9SFJPeqrpChOkAmw",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "52decd86-ac6c-4d91-a938-86f93ec5f822",
"name": "产品目录",
"type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
"position": [
2200,
-60
],
"parameters": {
"memoryKey": "whatsapp-75"
},
"typeVersion": 1
},
{
"id": "6dd5a652-2464-4ab8-8e5f-568529299523",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-88.75,
-473.4375
],
"parameters": {
"color": 7,
"width": 640.4375,
"height": 434.6875,
"content": "## 1. 下载产品手册 PDF"
},
"typeVersion": 1
},
{
"id": "116663bc-d8d6-41a5-93dc-b219adbb2235",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
580,
-476
],
"parameters": {
"color": 7,
"width": 614.6875,
"height": 731.1875,
"content": "## 2. 创建产品手册向量存储"
},
"typeVersion": 1
},
{
"id": "86bd5334-d735-4650-aeff-06230119d705",
"name": "创建产品目录",
"type": "@n8n/n8n-nodes-langchain.vectorStoreInMemory",
"position": [
760,
-200
],
"parameters": {
"mode": "insert",
"memoryKey": "whatsapp-75",
"clearStore": true
},
"typeVersion": 1
},
{
"id": "b8078b0d-cbd7-423f-bb30-13902988be38",
"name": "便签 2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1254,
-552
],
"parameters": {
"color": 7,
"width": 546.6875,
"height": 484.1875,
"content": "## 3. 使用 WhatsApp 触发器"
},
"typeVersion": 1
},
{
"id": "5bf7ed07-282b-4198-aa90-3e5ae5180404",
"name": "便签 3",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
280
],
"parameters": {
"width": 338,
"height": 92,
"content": "### 想要处理所有消息类型？"
},
"typeVersion": 1
},
{
"id": "a3661b59-25d2-446e-8462-32b4d692b69d",
"name": "便签 4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1640,
-40
],
"parameters": {
"color": 7,
"width": 337.6875,
"height": 311.1875,
"content": "### 3a. 处理不支持的消息类型"
},
"typeVersion": 1
},
{
"id": "ea3c9ee1-505a-40e7-82fe-9169bdbb80af",
"name": "便签 5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1840,
-682.5
],
"parameters": {
"color": 7,
"width": 746.6875,
"height": 929.1875,
"content": "## 4. 销售 AI Agent 回复客户"
},
"typeVersion": 1
},
{
"id": "5c72df8d-bca1-4634-b1ed-61ffec8bd103",
"name": "便签6",
"type": "n8n-nodes-base.stickyNote",
"position": [
2620,
-560
],
"parameters": {
"color": 7,
"width": 495.4375,
"height": 484.1875,
"content": "## 5. 回复 WhatsApp 用户"
},
"typeVersion": 1
},
{
"id": "48ec809f-ca0e-4052-b403-9ad7077b3fff",
"name": "便签7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-520,
-620
],
"parameters": {
"width": 401.25,
"height": 582.6283033962263,
"content": "## 试试看！"
},
"typeVersion": 1
},
{
"id": "87cf9b41-66de-49a7-aeb0-c8809191b5a0",
"name": "处理消息类型",
"type": "n8n-nodes-base.switch",
"position": [
1560,
-280
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Supported",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "text"
}
]
},
"renameOutput": true
},
{
"outputKey": "Not Supported",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "89971d8c-a386-4e77-8f6c-f491a8e84cb6",
"operator": {
"type": "string",
"operation": "notEquals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "text"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "e52f0a50-0c34-4c4a-b493-4c42ba112277",
"name": "便签8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-80,
-20
],
"parameters": {
"color": 5,
"width": 345.10906976744184,
"height": 114.53583720930231,
"content": "### 您只需运行此部分一次！"
},
"typeVersion": 1
},
{
"id": "c1a7d6d1-191e-4343-af9f-f2c9eb4ecf49",
"name": "### 替换 Airtable 连接",
"type": "n8n-nodes-base.stickyNote",
"position": [
1260,
-40
],
"parameters": {
"color": 5,
"width": 364.6293255813954,
"height": 107.02804651162779,
"content": "### 激活您的工作流以使用！"
},
"typeVersion": 1
},
{
"id": "a36524d0-22a6-48cc-93fe-b4571cec428a",
"name": "AI 销售代理",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
1960,
-400
],
"parameters": {
"text": "={{ $json.messages[0].text.body }}",
"options": {
"systemMessage": "You are an assistant working for a company who sells Yamaha Powered Loudspeakers and helping the user navigate the product catalog for the year 2024. Your goal is not to facilitate a sale but if the user enquires, direct them to the appropriate website, url or contact information.\n\nDo your best to answer any questions factually. If you don't know the answer or unable to obtain the information from the datastore, then tell the user so."
},
"promptType": "define"
},
"typeVersion": 1.6
}
],
"pinData": {},
"connections": {
"AI Sales Agent": {
"main": [
[
{
"node": "Reply To User",
"type": "main",
"index": 0
}
]
]
},
"WhatsApp Trigger": {
"main": [
[
{
"node": "Handle Message Types",
"type": "main",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "Product Catalogue",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Extract from File": {
"main": [
[
{
"node": "Create Product Catalogue",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Sales Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Product Catalogue": {
"ai_vectorStore": [
[
{
"node": "Vector Store Tool",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Vector Store Tool": {
"ai_tool": [
[
{
"node": "AI Sales Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Embeddings OpenAI1": {
"ai_embedding": [
[
{
"node": "Create Product Catalogue",
"type": "ai_embedding",
"index": 0
}
]
]
},
"OpenAI Chat Model1": {
"ai_languageModel": [
[
{
"node": "Vector Store Tool",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Create Product Catalogue",
"type": "ai_document",
"index": 0
}
]
]
},
"Handle Message Types": {
"main": [
[
{
"node": "AI Sales Agent",
"type": "main",
"index": 0
}
],
[
{
"node": "Reply To User1",
"type": "main",
"index": 0
}
]
]
},
"Window Buffer Memory": {
"ai_memory": [
[
{
"node": "AI Sales Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"get Product Brochure": {
"main": [
[
{
"node": "Extract from File",
"type": "main",
"index": 0
}
]
]
},
"Recursive Character Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"When clicking ‘Test workflow’": {
"main": [
[
{
"node": "get Product Brochure",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 销售, 构建模块, 人工智能
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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工作流信息
难度等级
高级
节点数量28
分类3
节点类型15
作者
Jimleuk
@jimleukFreelance consultant based in the UK specialising in AI-powered automations. I work with select clients tackling their most challenging projects. For business enquiries, send me an email at hello@jimle.uk LinkedIn: https://www.linkedin.com/in/jimleuk/ X/Twitter: https://x.com/jimle_uk
外部链接
在 n8n.io 查看 →
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