Sridevi Edupuganti This workflow corresponds to n8n.io template #10290 — we link there as the canonical source.
This workflow follows the Agent → Gmail Tool recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "Track & Query expenses via Telegram (voice,text) to Google Sheets using AI",
"tags": [],
"nodes": [
{
"id": "928d4973-7705-45a1-af7f-6c371c15c53a",
"name": "Telegram Input",
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"parameters": {},
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},
{
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"parameters": {},
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{
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{
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],
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},
{
"id": "e232b913-1fa2-4a1a-86d2-40610ddec858",
"name": "\ud83c\udf99\ufe0f Download Voice File",
"type": "n8n-nodes-base.telegram",
"position": [
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],
"parameters": {},
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},
{
"id": "08f5bd90-2114-411f-ad25-caf8bab96526",
"name": "Upload to AssemblyAI",
"type": "n8n-nodes-base.httpRequest",
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],
"parameters": {},
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},
{
"id": "afc541b4-95a5-463a-955e-886df059f716",
"name": "Start Transcription",
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"position": [
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"parameters": {},
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},
{
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"parameters": {},
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{
"id": "e9dff5cb-bc4a-41ce-808e-e89b51e5f07a",
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"parameters": {},
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{
"id": "038f48cd-31a4-4260-8a4b-00df77f2d6d8",
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"type": "n8n-nodes-base.telegram",
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],
"parameters": {},
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},
{
"id": "83705fc8-e107-4ae2-8ee3-eaeeda79388f",
"name": "Read Transaction History",
"type": "n8n-nodes-base.googleSheets",
"position": [
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],
"parameters": {},
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},
{
"id": "32632cc1-c07e-4540-a43a-c0d77add2ea2",
"name": "Calculate Starting Balance",
"type": "n8n-nodes-base.code",
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],
"parameters": {},
"typeVersion": 2
},
{
"id": "6131fee5-c38a-4747-8cc0-1278d50643aa",
"name": "Append Transaction to Sheet",
"type": "n8n-nodes-base.googleSheetsTool",
"position": [
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],
"parameters": {},
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},
{
"id": "abffd5e5-5e62-479e-bc88-af3ee0b905d7",
"name": "Read Sheet for Queries",
"type": "n8n-nodes-base.googleSheetsTool",
"notes": "Use this tool to read transaction data from the expense tracker sheet. You can retrieve all rows to answer questions about past transactions, spending patterns, categories, etc",
"position": [
3504,
1440
],
"parameters": {},
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},
{
"id": "c6e7ad47-880e-4367-b113-c684ccbca564",
"name": "Send Low Balance Alert",
"type": "n8n-nodes-base.gmailTool",
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"parameters": {},
"typeVersion": 2.1
},
{
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"name": "GPT-4.1 Mini Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
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"parameters": {},
"typeVersion": 1.2
},
{
"id": "e9096a27-8871-40d0-957a-14eb3d55e771",
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"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
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"parameters": {},
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},
{
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"name": "Generate Voice Response",
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"parameters": {},
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{
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"name": "Send Voice to Telegram",
"type": "n8n-nodes-base.telegram",
"position": [
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"parameters": {},
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},
{
"id": "6243945a-fdee-4b23-a1a3-eb3a4e097c65",
"name": "Send Text to Telegram",
"type": "n8n-nodes-base.telegram",
"position": [
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],
"parameters": {},
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},
{
"id": "94fb4c69-b912-49a8-9352-eca8e33df3c5",
"name": "AI Expense Analyzer",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
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],
"parameters": {},
"typeVersion": 2.2
},
{
"id": "1604833f-0ae6-4a24-945e-bf8155993bf1",
"name": "Wait for Transcription",
"type": "n8n-nodes-base.wait",
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],
"parameters": {},
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},
{
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{
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{
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{
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{
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"name": "Sticky Note4",
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{
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"name": "Sticky Note5",
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{
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"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
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{
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"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
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"parameters": {
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},
{
"id": "02d8a9e8-e6eb-4ec8-93da-4266954653af",
"name": "Track API Costs",
"type": "n8n-nodes-base.code",
"position": [
3920,
704
],
"parameters": {},
"typeVersion": 2
},
{
"id": "cd0f2050-720d-4ba1-8e26-63fc541c9c20",
"name": "Log Cost to Sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
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704
],
"parameters": {},
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}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"connections": {
"Telegram Input": {
"main": [
[
{
"node": "Route by Message Type",
"type": "main",
"index": 0
}
]
]
},
"Track API Costs": {
"main": [
[
{
"node": "Log Cost to Sheet",
"type": "main",
"index": 0
}
]
]
},
"GPT-4.1 Mini Model": {
"ai_languageModel": [
[
{
"node": "AI Expense Analyzer",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"AI Expense Analyzer": {
"main": [
[
{
"node": "Generate Voice Response",
"type": "main",
"index": 0
},
{
"node": "Track API Costs",
"type": "main",
"index": 0
}
]
]
},
"Check Voice Quality": {
"main": [
[
{
"node": "Send Processing Notification (Voice)",
"type": "main",
"index": 0
}
],
[
{
"node": "\ud83c\udf99\ufe0f Download Voice File",
"type": "main",
"index": 0
}
]
]
},
"Conversation Memory": {
"ai_memory": [
[
{
"node": "AI Expense Analyzer",
"type": "ai_memory",
"index": 0
}
]
]
},
"Start Transcription": {
"main": [
[
{
"node": "Wait for Transcription",
"type": "main",
"index": 0
}
]
]
},
"Upload to AssemblyAI": {
"main": [
[
{
"node": "Start Transcription",
"type": "main",
"index": 0
}
]
]
},
"Route by Message Type": {
"main": [
[
{
"node": "Check Voice Quality",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Processing Notification (Text)",
"type": "main",
"index": 0
}
]
]
},
"Read Sheet for Queries": {
"ai_tool": [
[
{
"node": "AI Expense Analyzer",
"type": "ai_tool",
"index": 0
}
]
]
},
"Send Low Balance Alert": {
"ai_tool": [
[
{
"node": "AI Expense Analyzer",
"type": "ai_tool",
"index": 0
}
]
]
},
"Wait for Transcription": {
"main": [
[
{
"node": "Get Transcription Result",
"type": "main",
"index": 0
}
]
]
},
"Generate Voice Response": {
"main": [
[
{
"node": "Send Voice to Telegram",
"type": "main",
"index": 0
},
{
"node": "Send Text to Telegram",
"type": "main",
"index": 0
}
]
]
},
"Get Transcription Result": {
"main": [
[
{
"node": "Check Transcription Status",
"type": "main",
"index": 0
}
]
]
},
"Read Transaction History": {
"main": [
[
{
"node": "Calculate Starting Balance",
"type": "main",
"index": 0
}
]
]
},
"Calculate Starting Balance": {
"main": [
[
{
"node": "AI Expense Analyzer",
"type": "main",
"index": 0
}
]
]
},
"Check Transcription Status": {
"main": [
[
{
"node": "Read Transaction History",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait for Transcription",
"type": "main",
"index": 0
}
]
]
},
"Append Transaction to Sheet": {
"ai_tool": [
[
{
"node": "AI Expense Analyzer",
"type": "ai_tool",
"index": 0
}
]
]
},
"\ud83c\udf99\ufe0f Download Voice File": {
"main": [
[
{
"node": "Upload to AssemblyAI",
"type": "main",
"index": 0
}
]
]
},
"Send Processing Notification (Text)": {
"main": [
[
{
"node": "Read Transaction History",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
Track and query your expenses effortlessly through Telegram using voice or text messages. This AI-powered workflow transcribes voice input via AssemblyAI, processes transactions with a GPT-4.1 mini agent, stores data in Google Sheets with comprehensive timestamp metadata, and…
Source: https://n8n.io/workflows/10290/ — original creator credit. Request a take-down →
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