支持文本、语音、图像和PDF的AI驱动WhatsApp聊天机器人（RAG）
高级
这是一个Engineering, Building Blocks, AI领域的自动化工作流，包含 35 个节点。主要使用 Set, Code, Switch, WhatsApp, GoogleDocs 等节点，结合人工智能技术实现智能自动化。 支持文本、语音、图像和PDF的AI驱动WhatsApp聊天机器人（RAG）
前置要求
- •可能需要目标 API 的认证凭证
- •OpenAI API Key
- •MongoDB 连接字符串
使用的节点 (35)
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": "074f90e2bb5206c5f405a8aac6551497c72005283a5405fb08207b1b3a78c2b8",
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "d1b47f60-5a4d-4629-a18d-b3c6ec0c972c",
"name": "知识库代理",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
3720,
400
],
"parameters": {
"text": "={{ $json.text }}",
"options": {
"systemMessage": ""
},
"promptType": "define"
},
"typeVersion": 1.9
},
{
"id": "c36731ce-5086-4a2f-8c3a-63be150fb8ae",
"name": "OpenAI 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
3720,
580
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "53c2496a-0737-452c-b49c-ca0afa9c0073",
"name": "Embeddings OpenAI",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
4060,
740
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "54697b14-28a0-4572-b17e-328a7b52cc90",
"name": "当点击\"执行工作流\"时",
"type": "n8n-nodes-base.manualTrigger",
"position": [
1380,
-560
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a79b9b58-0211-4570-af84-64db8bef9de3",
"name": "简单记忆",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
3820,
580
],
"parameters": {
"sessionKey": "=memory_{{ $('WhatsApp Trigger').item.json.contacts[0].wa_id }}",
"sessionIdType": "customKey"
},
"typeVersion": 1.3
},
{
"id": "fda97aec-70be-4611-94a3-7816e384c76b",
"name": "MongoDB 向量搜索",
"type": "@n8n/n8n-nodes-langchain.vectorStoreMongoDBAtlas",
"position": [
3940,
580
],
"parameters": {
"mode": "retrieve-as-tool",
"options": {},
"toolName": "productDocs",
"mongoCollection": {
"__rl": true,
"mode": "list",
"value": "n8n-template",
"cachedResultName": "n8n-template"
},
"toolDescription": "retreive documentation",
"vectorIndexName": "data_index"
},
"credentials": {
"mongoDb": {
"id": "7riubYENUDZsmjyK",
"name": "MongoDB account 2"
}
},
"typeVersion": 1.1
},
{
"id": "8cf54cb6-7247-4036-b1e4-9a28650d700a",
"name": "文档分段加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
1920,
-400
],
"parameters": {
"options": {
"metadata": {
"metadataValues": [
{
"name": "doc_id",
"value": "={{ $json.documentId }}"
}
]
}
},
"jsonData": "={{ $json.content }}",
"jsonMode": "expressionData"
},
"typeVersion": 1
},
{
"id": "4e93e3c3-1847-483a-b6a7-67ff2cff294f",
"name": "文档分块器",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
1920,
-260
],
"parameters": {
"options": {
"splitCode": "markdown"
},
"chunkSize": 3000,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "4f616bfc-4ec7-4c88-8a63-cb2c47655680",
"name": "MongoDB 向量存储插入器",
"type": "@n8n/n8n-nodes-langchain.vectorStoreMongoDBAtlas",
"position": [
1820,
-560
],
"parameters": {
"mode": "insert",
"options": {},
"mongoCollection": {
"__rl": true,
"mode": "list",
"value": "n8n-template",
"cachedResultName": "n8n-template"
},
"vectorIndexName": "data_index"
},
"credentials": {
"mongoDb": {
"id": "7riubYENUDZsmjyK",
"name": "MongoDB account 2"
}
},
"typeVersion": 1.1
},
{
"id": "cc9a0766-69a4-4745-97f5-4c4c5e156c91",
"name": "OpenAI 嵌入生成器",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
1820,
-400
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.2
},
{
"id": "a9368d23-e35f-4986-8060-30a05f3f9c05",
"name": "Google 文档导入器",
"type": "n8n-nodes-base.googleDocs",
"position": [
1600,
-560
],
"parameters": {
"operation": "get",
"documentURL": "https://docs.google.com/document/d/1gvgp71e9edob8WLqFIYCdzC7kUq3pLO37VKb-a-vVW4/edit?tab=t.0"
},
"credentials": {
"googleDocsOAuth2Api": {
"id": "FNXMwqMf7vl1WUFj",
"name": "Google Docs account"
}
},
"typeVersion": 2
},
{
"id": "1fb0f8a3-9113-4185-a935-0fc327f70881",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
1000,
-580
],
"parameters": {
"color": 5,
"content": "手动运行此工作流，将 Google 文档产品文档导入并索引到 MongoDB，附带向量嵌入以实现快速搜索。"
},
"typeVersion": 1
},
{
"id": "62e13275-6f92-4799-9cbe-e0064ceb5140",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1000,
360
],
"parameters": {
"color": 4,
"height": 280,
"content": "此工作流监听 WhatsApp 消息（文本、音频、图像、文档），将其转换为嵌入向量，搜索 MongoDB，并使用 GPT-4o-mini 提供具有对话记忆的上下文感知回答。"
},
"typeVersion": 1
},
{
"id": "d21fc408-f66d-4b07-972a-811aa420b4ce",
"name": "便签2",
"type": "n8n-nodes-base.stickyNote",
"position": [
2220,
-580
],
"parameters": {
"height": 540,
"content": "搜索索引示例"
},
"typeVersion": 1
},
{
"id": "ddc0fdb7-bacc-4f41-87bf-48bb714a404d",
"name": "WhatsApp 触发器",
"type": "n8n-nodes-base.whatsAppTrigger",
"position": [
1380,
400
],
"webhookId": "ab09ca3e-53b2-4079-9ddc-bccb2f69551b",
"parameters": {
"options": {},
"updates": [
"messages"
]
},
"credentials": {
"whatsAppTriggerApi": {
"id": "eb1MSQfEla9dGghs",
"name": "WhatsApp OAuth account"
}
},
"typeVersion": 1
},
{
"id": "8842d0c7-082e-4b4e-b350-a8bb8f47c390",
"name": "OpenAI",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
2460,
160
],
"parameters": {
"options": {},
"resource": "audio",
"operation": "translate"
},
"credentials": {
"openAiApi": {
"id": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.8
},
{
"id": "a342dc14-0ffe-41ba-a3e9-853fe043f4fb",
"name": "OpenAI1",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
2460,
400
],
"parameters": {
"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": "cJRah9hGPQ7eX4jd",
"name": "OpenAi account"
}
},
"typeVersion": 1.8
},
{
"id": "b1220587-fadf-4b5b-944e-b6e60b64c141",
"name": "从 PDF 提取",
"type": "n8n-nodes-base.extractFromFile",
"position": [
3060,
860
],
"parameters": {
"options": {},
"operation": "pdf"
},
"typeVersion": 1
},
{
"id": "b02474a0-be6a-4591-a10c-abc2f597a3e6",
"name": "从 XLS 提取",
"type": "n8n-nodes-base.extractFromFile",
"position": [
2960,
1060
],
"parameters": {
"options": {},
"operation": "xls"
},
"typeVersion": 1
},
{
"id": "1012f8a7-9fcb-4d80-ad5f-bfaa31eddf7d",
"name": "从 XLSX 提取",
"type": "n8n-nodes-base.extractFromFile",
"position": [
2960,
1220
],
"parameters": {
"options": {},
"operation": "xlsx",
"binaryPropertyName": "=data"
},
"typeVersion": 1
},
{
"id": "8891a2eb-16d6-471a-803e-df1789a336f3",
"name": "映射 JSON",
"type": "n8n-nodes-base.set",
"position": [
3200,
980
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "72ae0d20-616a-4a65-9b14-53bf53656091",
"name": "data",
"type": "string",
"value": "={{ $json }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "a0920bc7-71bd-4803-bbce-4cef14cac5ee",
"name": "映射文件扩展名",
"type": "n8n-nodes-base.code",
"position": [
2420,
740
],
"parameters": {
"jsCode": "let requests = $(\"Download Document\").all()\n\nrequests.forEach((request) => {\n let mime_type = request.json.mime_type\n\n if (\n mime_type === \"text/calendar\" || \n mime_type === \"application/ics\" || \n mime_type === \"text/x-calendar\"\n ) {\n request.json.mime_type = \"mapped/calendar\"\n }\n\n if (\n mime_type === \"application/xml\" || \n mime_type === \"text/xml\") {\n request.json.mime_type = \"mapped/xml\"\n }\n\n if (!mime_type) {\n request.json.mime_type = $('Gets WhatsApp Document Source URL').first().json.mime_type\n }\n})\n\nreturn requests;"
},
"typeVersion": 2
},
{
"id": "77302aa3-6e87-4de6-9ec7-387ddb76fc84",
"name": "映射文档提示",
"type": "n8n-nodes-base.set",
"position": [
3440,
800
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "da68bcca-a2a6-4676-8649-6fb1b664e44c",
"name": "text",
"type": "string",
"value": "=Parsed text: {{ $json.text || $json.data || $json }}\n\nCaption text: {{ $('Route Types').item.json.messages[0].document.caption }}\n\nMimeType: {{ $('Gets WhatsApp Document Source URL').item.json.mime_type }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "90821e49-c98d-4617-8289-1be6d3aeb087",
"name": "映射图像提示",
"type": "n8n-nodes-base.set",
"position": [
2680,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "48af2dcc-4ce9-45fc-abfc-54f803930092",
"name": "text",
"type": "string",
"value": "=User image description: {{ $json.content }}\n\nUser image caption: {{ $('Route Types').item.json.messages[0].image.caption }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "cf603f5c-0a6e-4cdd-846b-738ed417daa2",
"name": "映射文本提示",
"type": "n8n-nodes-base.set",
"position": [
2020,
-40
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "38aec976-a32c-4b0e-85f4-c90adc16abc9",
"name": "text",
"type": "string",
"value": "={{ $json.messages[0].text.body }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "7727e89d-cf21-4440-ab7f-85594eb1ec44",
"name": "获取 WhatsApp 语音邮件源 URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
2020,
160
],
"webhookId": "bbe62f3d-8788-49d4-aae6-9e9411446d44",
"parameters": {
"resource": "media",
"operation": "mediaUrlGet",
"mediaGetId": "={{ $json.messages[0].audio.id}}"
},
"credentials": {
"whatsAppApi": {
"id": "HuYOJ00weACKEFR6",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "08b938a1-d32e-4aa1-958f-bdabd3dfec13",
"name": "获取 WhatsApp 图像源 URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
2020,
400
],
"webhookId": "c2982df4-1d8d-4669-a724-44ae17d11e6c",
"parameters": {
"resource": "media",
"operation": "mediaUrlGet",
"mediaGetId": "={{ $json.messages[0].image.id }}"
},
"credentials": {
"whatsAppApi": {
"id": "HuYOJ00weACKEFR6",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "d934ce80-cdb0-476d-8896-b8c226086933",
"name": "获取 WhatsApp 文档源 URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
2020,
740
],
"webhookId": "c2982df4-1d8d-4669-a724-44ae17d11e6c",
"parameters": {
"resource": "media",
"operation": "mediaUrlGet",
"mediaGetId": "={{ $json.messages[0].document.id }}"
},
"credentials": {
"whatsAppApi": {
"id": "HuYOJ00weACKEFR6",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "aad1b221-0985-43e7-bc0b-312436171abe",
"name": "下载语音邮件",
"type": "n8n-nodes-base.httpRequest",
"position": [
2240,
160
],
"parameters": {
"url": "={{ $json.url }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "VZo8qdSLzpZ3qRlq",
"name": "Header Auth account"
}
},
"typeVersion": 4.2
},
{
"id": "dfd08bec-9d30-4125-b167-7feaeefd7afa",
"name": "下载图像",
"type": "n8n-nodes-base.httpRequest",
"position": [
2240,
400
],
"parameters": {
"url": "={{ $json.url }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "VZo8qdSLzpZ3qRlq",
"name": "Header Auth account"
}
},
"typeVersion": 4.2
},
{
"id": "ba3d221f-ce5c-4105-82cf-fbd11c2c0e2f",
"name": "下载文档",
"type": "n8n-nodes-base.httpRequest",
"position": [
2240,
740
],
"parameters": {
"url": "={{ $json.url }}",
"options": {
"response": {
"response": {}
}
},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "VZo8qdSLzpZ3qRlq",
"name": "Header Auth account"
}
},
"typeVersion": 4.2
},
{
"id": "87ecc44f-cc1f-47e0-b995-079230be118d",
"name": "路由类型",
"type": "n8n-nodes-base.switch",
"position": [
1600,
380
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Text",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2fc5c912-629b-4cbe-b5e3-7e3f0651c628",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "text"
}
]
},
"renameOutput": true
},
{
"outputKey": "Audio",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "26a3d85c-0815-48ff-85ce-713129a1107c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "audio"
}
]
},
"renameOutput": true
},
{
"outputKey": "Image",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "840b95b8-6559-4fb7-b32c-651451d6d0d2",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "image"
}
]
},
"renameOutput": true
},
{
"outputKey": "Document",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "3e7a07f9-b785-450c-8c68-f6b276838503",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "document"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "ce3d08ce-4445-4473-90b2-227ba065c4d8",
"name": "路由文档类型",
"type": "n8n-nodes-base.switch",
"position": [
2680,
580
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "CSV",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "14e23243-cd44-4cb1-99bd-9e6905d511ad",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/csv"
}
]
},
"renameOutput": true
},
{
"outputKey": "HTML",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "6d7616c5-6bdd-47b7-923e-639491d15a4e",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/html"
}
]
},
"renameOutput": true
},
{
"outputKey": "Calendar",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a2174e02-378a-41ff-b269-61f4fc3f1de9",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "=mapped/calendar"
}
]
},
"renameOutput": true
},
{
"outputKey": "RTF",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f3b406d7-362d-473e-8edd-c3e5f2d9c44c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/rtf"
}
]
},
"renameOutput": true
},
{
"outputKey": "TXT",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "64dd4658-54e7-4453-adbc-7067dffcd555",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/plain"
}
]
},
"renameOutput": true
},
{
"outputKey": "XML",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "7540a3ab-b48e-4bec-94e9-a5dfc3d65a4c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "mapped/xml"
}
]
},
"renameOutput": true
},
{
"outputKey": "PDF",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "88b618fd-9a88-491e-91dd-c5fc9efa36e3",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "application/pdf"
}
]
},
"renameOutput": true
},
{
"outputKey": "JSON",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9c4d90aa-b4ea-4a63-b15e-666899c8360e",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "application/json"
}
]
},
"renameOutput": true
},
{
"outputKey": "XLS",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9baa7c88-3950-4099-8498-99a4640b95e7",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "application/vnd.ms-excel"
}
]
},
"renameOutput": true
},
{
"outputKey": "XLSX",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b83e540c-ba1e-42d0-ac83-f675e25e6aea",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
]
},
"renameOutput": true
},
{
"outputKey": "ELSE",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "ea3be820-2ead-4ec2-b292-42d3c7804b55",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "18684032-23ec-4e10-88f4-e93363432a67",
"name": "发送不支持响应",
"type": "n8n-nodes-base.whatsApp",
"position": [
2960,
1380
],
"webhookId": "017d267f-4897-4726-bf03-304ef10352bf",
"parameters": {
"textBody": "=The File type you provided is unsupported.",
"operation": "send",
"phoneNumberId": "677680658761861",
"additionalFields": {},
"recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"
},
"credentials": {
"whatsAppApi": {
"id": "HuYOJ00weACKEFR6",
"name": "WhatsApp account"
}
},
"typeVersion": 1
},
{
"id": "acc8e4ae-0610-42fc-a318-b9a23a38919b",
"name": "发送响应",
"type": "n8n-nodes-base.whatsApp",
"position": [
4080,
400
],
"webhookId": "23834751-5066-48ba-8e19-549680df2b27",
"parameters": {
"textBody": "={{ $json.output }}",
"operation": "send",
"phoneNumberId": "677680658761861",
"additionalFields": {},
"recipientPhoneNumber": "={{ $('WhatsApp Trigger').item.json.messages[0].from }}"
},
"credentials": {
"whatsAppApi": {
"id": "HuYOJ00weACKEFR6",
"name": "WhatsApp account"
}
},
"typeVersion": 1
}
],
"pinData": {},
"connections": {
"OpenAI": {
"main": [
[
{
"node": "Knowledge Base Agent",
"type": "main",
"index": 0
}
]
]
},
"OpenAI1": {
"main": [
[
{
"node": "Map image prompt",
"type": "main",
"index": 0
}
]
]
},
"Map JSON": {
"main": [
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
]
]
},
"Route Types": {
"main": [
[
{
"node": "Map text prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Gets WhatsApp Voicemail Source URL",
"type": "main",
"index": 0
}
],
[
{
"node": "Gets WhatsApp Image Source URL",
"type": "main",
"index": 0
}
],
[
{
"node": "Gets WhatsApp Document Source URL",
"type": "main",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "Knowledge Base Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Download Image": {
"main": [
[
{
"node": "OpenAI1",
"type": "main",
"index": 0
}
]
]
},
"Map text prompt": {
"main": [
[
{
"node": "Knowledge Base Agent",
"type": "main",
"index": 0
}
]
]
},
"Document Chunker": {
"ai_textSplitter": [
[
{
"node": "Document Section Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Extract from PDF": {
"main": [
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
]
]
},
"Extract from XLS": {
"main": [
[
{
"node": "Map JSON",
"type": "main",
"index": 0
}
]
]
},
"Map image prompt": {
"main": [
[
{
"node": "Knowledge Base Agent",
"type": "main",
"index": 0
}
]
]
},
"WhatsApp Trigger": {
"main": [
[
{
"node": "Route Types",
"type": "main",
"index": 0
}
]
]
},
"Download Document": {
"main": [
[
{
"node": "Map file extensions",
"type": "main",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "MongoDB Vector Search",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Extract from XLSX": {
"main": [
[
{
"node": "Map JSON",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Knowledge Base Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Download Voicemail": {
"main": [
[
{
"node": "OpenAI",
"type": "main",
"index": 0
}
]
]
},
"Map document prompt": {
"main": [
[
{
"node": "Knowledge Base Agent",
"type": "main",
"index": 0
}
]
]
},
"Map file extensions": {
"main": [
[
{
"node": "Route Document Types",
"type": "main",
"index": 0
}
]
]
},
"Google Docs Importer": {
"main": [
[
{
"node": "MongoDB Vector Store Inserter",
"type": "main",
"index": 0
}
]
]
},
"Knowledge Base Agent": {
"main": [
[
{
"node": "Send Response",
"type": "main",
"index": 0
}
]
]
},
"Route Document Types": {
"main": [
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Map document prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Extract from PDF",
"type": "main",
"index": 0
}
],
[
{
"node": "Map JSON",
"type": "main",
"index": 0
}
],
[
{
"node": "Extract from XLS",
"type": "main",
"index": 0
}
],
[
{
"node": "Extract from XLSX",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Unsupported Response",
"type": "main",
"index": 0
}
]
]
},
"MongoDB Vector Search": {
"ai_tool": [
[
{
"node": "Knowledge Base Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Document Section Loader": {
"ai_document": [
[
{
"node": "MongoDB Vector Store Inserter",
"type": "ai_document",
"index": 0
}
]
]
},
"Send Unsupported Response": {
"main": [
[]
]
},
"OpenAI Embeddings Generator": {
"ai_embedding": [
[
{
"node": "MongoDB Vector Store Inserter",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Gets WhatsApp Image Source URL": {
"main": [
[
{
"node": "Download Image",
"type": "main",
"index": 0
}
]
]
},
"When clicking \"Execute Workflow\"": {
"main": [
[
{
"node": "Google Docs Importer",
"type": "main",
"index": 0
}
]
]
},
"Gets WhatsApp Document Source URL": {
"main": [
[
{
"node": "Download Document",
"type": "main",
"index": 0
}
]
]
},
"Gets WhatsApp Voicemail Source URL": {
"main": [
[
{
"node": "Download Voicemail",
"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 - 工程, 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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@thomasgptNovaNode is a software factory building scalable AI for modern businesses. We specialize in omni-channel AI agents that automate customer support, sales, and operations across voice, WhatsApp, email, and chat. We serve both enterprise clients and SMEs, balancing deep integrations with speed and cost-efficiency. By combining automation with adaptability, we help companies scale faster and operate smarter. NovaNode is where AI meets execution.
外部链接
在 n8n.io 查看 →
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