Automate WhatsApp messages using the WhatsApp Business API, store data in MongoDB Atlas, and enhance responses with OpenAI's AI Chat and AI Embeddings. Perfect for AI-powered automation users looking to streamline communication and data management. Requires 6 accounts: OpenAI API, MongoDB, Google Docs OAuth, and more. Save hours on message handling while improving response accuracy and engagement.
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Copy or download to import into your n8n instance
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"nodes": [
{
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"text": "={{ $json.text }}",
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{
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"mode": "list",
"value": "gpt-4o-mini"
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{
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"parameters": {
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"credentials": {
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{
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{
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"position": [
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"parameters": {
"sessionKey": "=memory_{{ $('WhatsApp Trigger').item.json.contacts[0].wa_id }}",
"sessionIdType": "customKey"
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{
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"toolDescription": "retreive documentation",
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{
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"parameters": {
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"metadata": {
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{
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}
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},
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"jsonMode": "expressionData"
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{
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{
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{
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{
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"name": "Sticky Note",
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"parameters": {
"color": 5,
"content": "Run this workflow manually to import and index Google Docs product documentation into MongoDB with vector embeddings for fast search."
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{
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],
"parameters": {
"color": 4,
"height": 280,
"content": "This workflow listens for WhatsApp messages (text, audio, image, documents), converts them into embeddings, searches MongoDB, and uses GPT-4o-mini to provide context-aware answers with conversation memory."
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"content": "Search Index Example \n\n{\n \"mappings\": {\n \"dynamic\": false,\n \"fields\": {\n \"_id\": {\n \"type\": \"string\"\n },\n \"text\": {\n \"type\": \"string\"\n },\n \"embedding\": {\n \"type\": \"knnVector\",\n \"dimensions\": 1536,\n \"similarity\": \"cosine\"\n },\n \"source\": {\n \"type\": \"string\"\n },\n \"doc_id\": {\n \"type\": \"string\"\n }\n }\n }\n}\n"
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"webhookId": "ab09ca3e-53b2-4079-9ddc-bccb2f69551b",
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"updates": [
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]
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}
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{
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"operation": "translate"
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"inputType": "base64",
"operation": "analyze"
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"operation": "pdf"
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}
]
}
},
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{
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"name": "Map file extensions",
"type": "n8n-nodes-base.code",
"position": [
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],
"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;"
},
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{
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"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 }}"
}
]
}
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"assignments": [
{
"id": "48af2dcc-4ce9-45fc-abfc-54f803930092",
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"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": "Map text prompt",
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"parameters": {
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"assignments": [
{
"id": "38aec976-a32c-4b0e-85f4-c90adc16abc9",
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"value": "={{ $json.messages[0].text.body }}"
}
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}
},
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},
{
"id": "7727e89d-cf21-4440-ab7f-85594eb1ec44",
"name": "Gets WhatsApp Voicemail Source URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
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],
"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": "Gets WhatsApp Image Source URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
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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": "Gets WhatsApp Document Source URL",
"type": "n8n-nodes-base.whatsApp",
"position": [
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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": "Download Voicemail",
"type": "n8n-nodes-base.httpRequest",
"position": [
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],
"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": "Download Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
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],
"parameters": {
"url": "={{ $json.url }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth"
},
"credentials": {
"httpHeaderAuth": {
"id": "VZo8qdSLzpZ3qRlq",
"name": "Header Auth account"
}
},
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{
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"name": "Download Document",
"type": "n8n-nodes-base.httpRequest",
"position": [
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],
"parameters": {
"url": "={{ $json.url }}",
"options": {
"response": {
"response": {}
}
},
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"name": "Header Auth account"
}
},
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"name": "Route Types",
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],
"parameters": {
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{
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"conditions": {
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"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
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"combinator": "and",
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{
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"operator": {
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"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "text"
}
]
},
"renameOutput": true
},
{
"outputKey": "Audio",
"conditions": {
"options": {
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"caseSensitive": true,
"typeValidation": "strict"
},
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"operator": {
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"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "audio"
}
]
},
"renameOutput": true
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{
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"operator": {
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"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "image"
}
]
},
"renameOutput": true
},
{
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"operator": {
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"operation": "equals"
},
"leftValue": "={{ $json.messages[0].type }}",
"rightValue": "document"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "ce3d08ce-4445-4473-90b2-227ba065c4d8",
"name": "Route Document Types",
"type": "n8n-nodes-base.switch",
"position": [
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],
"parameters": {
"rules": {
"values": [
{
"outputKey": "CSV",
"conditions": {
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"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
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"operator": {
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"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/csv"
}
]
},
"renameOutput": true
},
{
"outputKey": "HTML",
"conditions": {
"options": {
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"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
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"operator": {
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"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/html"
}
]
},
"renameOutput": true
},
{
"outputKey": "Calendar",
"conditions": {
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"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
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"combinator": "and",
"conditions": [
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},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "=mapped/calendar"
}
]
},
"renameOutput": true
},
{
"outputKey": "RTF",
"conditions": {
"options": {
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"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "f3b406d7-362d-473e-8edd-c3e5f2d9c44c",
"operator": {
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"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.mime_type }}",
"rightValue": "text/rtf"
}
]
},
"renameOutput": true
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{
"outputKey": "TXT",
"conditions": {
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"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
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"operator": {
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"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": {
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"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": "Send Unsupported Response",
"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": "Send Response",
"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
}
]
]
}
}
}Leverage the power of the Telegram Bot API and OpenAI GPT to automate intelligent conversations on Telegram. This workflow is designed for AI-powered automation users looking to enhance engagement through AI-driven responses. Requires 2 accounts: Telegram Bot Token and OpenAI API Key. Save hours of manual replies and improve user interaction with dynamic, context-aware responses instantly.
Harness the Google Drive API and Google Gemini to extract actionable insights from your company documents. This workflow is designed for business teams looking to streamline document analysis. Requires 4 accounts: Pinecone API, Google Palm API, Google Drive OAuth, and more. Save hours on document processing, enabling your team to focus on strategic initiatives and decision-making.
Leverage the Google Drive API to store and manage AI chat interactions, utilizing Pinecone's Vector Storage for optimized data retrieval. This workflow is ideal for AI-powered automation users looking to streamline communication processes. Requires 3 accounts: Pinecone API, Google Drive OAuth, and OpenAI API. Save up to 5 hours per week handling customer queries efficiently with AI-driven responses.
Streamline your communication by using OpenAI GPT to generate intelligent responses to incoming webhooks, seamlessly integrating with Microsoft Outlook. Perfect for AI-powered automation users looking to enhance customer interaction. Requires 3 accounts: OpenAI API, Microsoft Outlook OAuth. Save hours on response time and improve engagement rates with high-quality automated replies.
Configure credentials and update service-specific settings before executing the workflow. Review required credentials in the Technical Details section above.