Guillaume Duvernay This workflow corresponds to n8n.io template #9871 — we link there as the canonical source.
This workflow follows the Agent → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"nodes": [
{
"id": "c1fbf4de-ddf2-450d-b09c-d07025d643f5",
"name": "Telegram Trigger",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
240,
544
],
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "f2e6b66d-8c5f-44fc-9bcf-34d48a7d8cd3",
"name": "Myself?",
"type": "n8n-nodes-base.if",
"position": [
464,
544
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "fae16f10-e497-47ea-92ec-741f54cedd62",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.message.from.username }}",
"rightValue": "<Replace with your Telegram username>"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "d4b2699d-bff8-424c-a8e9-3879fbcb2a6a",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
2256,
560
],
"parameters": {
"text": "={{ $json.final_user_message }}",
"options": {
"systemMessage": "=You are a helpful assistant that answers the user based on web-search.\n\nWhenever the user query requires getting insights from the web (most queries except empty queries like \"hi\"), call the tool \"Web search\" with a question to have it output an answer based on AI web search.\n\nProvide sources of the main insights.\n\nAnswer considring that this conversation happens on Telegram - adapt your style/format to that platform."
},
"promptType": "define"
},
"typeVersion": 1.8
},
{
"id": "49ca5d84-ebac-41db-a961-f6c66d75a468",
"name": "Simple Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
2272,
816
],
"parameters": {
"sessionKey": "={{ $('Telegram Trigger').item.json.message.from.username }}",
"sessionIdType": "customKey",
"contextWindowLength": 7
},
"typeVersion": 1.3
},
{
"id": "1cad1569-ebc5-4446-8a8d-898cbfcebbbf",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
880,
272
],
"parameters": {
"color": 2,
"width": 873,
"height": 293,
"content": "# Process Audio"
},
"typeVersion": 1
},
{
"id": "21b52da1-5a08-4f7b-9b83-56ec4b12fe07",
"name": "Get Audio File",
"type": "n8n-nodes-base.telegram",
"position": [
976,
400
],
"parameters": {
"fileId": "={{ $('Telegram Trigger').item.json.message.voice.file_id }}",
"resource": "file",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "05bf3117-933d-4a17-bee7-ca26b454abc7",
"name": "Message Router",
"type": "n8n-nodes-base.switch",
"position": [
688,
512
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "audio",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b5d9f703-2a1b-4942-906c-7a7d1404a4d7",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $('Telegram Trigger').item.json.message.voice }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "text",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "342f0883-d959-44a2-b80d-379e39c76218",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $('Telegram Trigger').item.json.message.text }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3.2
},
{
"id": "a0c3018c-0e5e-4184-9586-422fdb5aa16f",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
2400,
768
],
"parameters": {
"color": 6,
"width": 336,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Linkup web search\n\nReplace the API key placeholder with your linkup.so API key, or store it as a credential to reuse it easily in other workflows."
},
"typeVersion": 1
},
{
"id": "93107652-cd00-4d85-9eb7-2d42276e76a1",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
1904,
768
],
"parameters": {
"color": 5,
"width": 336,
"height": 368,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## AI model\n\nThe core AI model of your agent. Connect your OpenAI API key or switch to your favorite LLM provider."
},
"typeVersion": 1
},
{
"id": "4a1bde4f-df6e-45b5-a91c-613e5673848f",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
2192,
320
],
"parameters": {
"color": 4,
"width": 352,
"height": 400,
"content": "## The agent\n\nThis agent will distribute the relevant questions to the Linkup tool via the \"Web search\" tool. Feel free to provide more context in its system message and add instructions when it comes to the format or style of responses?"
},
"typeVersion": 1
},
{
"id": "4f0fbc4e-55af-4b3e-b187-fab5231442ab",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
2032,
832
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4.1-mini"
},
"options": {}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "469db785-dad8-4f46-ae4e-a73936d5c063",
"name": "Telegram answer",
"type": "n8n-nodes-base.telegram",
"position": [
2832,
560
],
"parameters": {
"text": "={{ $json.output }}",
"chatId": "={{ $('Telegram Trigger').item.json.message.from.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "d8484fa4-6147-49f5-a4cf-549a9b9c609c",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1200,
288
],
"parameters": {
"color": 7,
"width": 265,
"height": 261,
"content": "### AI transcription\n\nYou can replace with another model like OpenAI's."
},
"typeVersion": 1
},
{
"id": "b99a6e1e-d26a-405f-a9ad-68a3f9108734",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
384,
304
],
"parameters": {
"color": 3,
"width": 265,
"height": 405,
"content": "### Make this bot private\n\nTelegram bots are public by default, so we're adding a filter here based on your unique Telegram username. Change the value to ensure only your messages can go through, or delete this step to make it 100% public"
},
"typeVersion": 1
},
{
"id": "95bd10b8-242f-4947-a763-4fe69c507285",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
896,
592
],
"parameters": {
"color": 2,
"width": 873,
"height": 293,
"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n# Process text"
},
"typeVersion": 1
},
{
"id": "48d77137-bc1a-4ae2-8b03-48ddcd17c4cf",
"name": "Prepare message from audio",
"type": "n8n-nodes-base.set",
"position": [
1568,
400
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "bffc2c1f-990e-4396-b59a-ab82b843e061",
"name": "preset_user_message",
"type": "string",
"value": "={{ $json.choices[0].message.content }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "8a59c1a6-4b6c-4356-a083-33f2f8cb7651",
"name": "Prepare message from text",
"type": "n8n-nodes-base.set",
"position": [
1280,
672
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "b37b48ba-8fef-4e6c-bbca-73e6c2e1e0a8",
"name": "preset_user_message",
"type": "string",
"value": "={{ $('Telegram Trigger').item.json.message.text }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "edc01d56-b1de-4e22-b8f8-60540d53434c",
"name": "Consolidate user message",
"type": "n8n-nodes-base.set",
"position": [
1872,
560
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "7db97ffc-b1eb-422e-8bb1-90eea55c7aa2",
"name": "final_user_message",
"type": "string",
"value": "={{ $json.preset_user_message }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "27a2b573-bbe5-47b6-a7ab-57c41a566d07",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
208,
-400
],
"parameters": {
"width": 880,
"height": 544,
"content": "# **AI Web Search Telegram Agent with Linkup & GPT-4.1 (text + voice)**\n\n**Summary:** A Telegram bot that answers questions using **Linkup** AI web search. Accepts text and voice (transcribed via **Mistral** by default) and uses an LLM agent that calls the **Web search** tool.\n\n**How it works (short):**\n1. **Telegram Trigger** \u2192 Detects text or voice via **Message Router**.\n2. Voice: **Get Audio File** \u2192 **Mistral transcribe** \u2192 prepare text.\n3. **AI Agent** calls **Web search** (Linkup) when web knowledge is needed and sends answers via **Telegram answer**.\n\n**How to use / Setup:**\n1. Create a Linkup account at [linkup.so](https://linkup.so) and get your **API Key**.\n2. In the **Web search** node, go to the \"Headers\" section and replace the placeholder API key with your actual key in the `Authorization` field.\n3. Add credentials: **Telegram API**, **OpenAI (or LLM)**, **Mistral Cloud**.\n4. (Optional) Edit **Myself?** to set your Telegram username for private testing or delete it to make the bot public.\n5. Activate the workflow and message your bot in Telegram.\n\n**Bold nodes to configure:** **Telegram Trigger**, **Web search**, **OpenAI Chat Model**, **Mistral transcribe**, **Myself?**\n\n*A template created by Guillaume Duvernay*"
},
"typeVersion": 1
},
{
"id": "0e9b76b5-1d89-49f2-924f-53325a6a8507",
"name": "Web search",
"type": "n8n-nodes-base.httpRequestTool",
"position": [
2544,
832
],
"parameters": {
"url": "https://api.linkup.so/v1/search",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "q",
"value": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('parameters0_Value', `The query for AI web-search`, 'string') }}"
},
{
"name": "depth",
"value": "standard"
},
{
"name": "outputType",
"value": "sourcedAnswer"
},
{
"name": "includeImages",
"value": "false"
},
{
"name": "includeInlineCitations",
"value": "false"
}
]
},
"toolDescription": "Call this tool when web-search base is required to answer the user query.",
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer <your Linkup API key>"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "853eea91-4385-46bd-aaf7-5f910d6afbd6",
"name": "Mistral transcribe",
"type": "n8n-nodes-base.httpRequest",
"position": [
1280,
400
],
"parameters": {
"url": "https://api.mistral.ai/v1/audio/transcriptions",
"method": "POST",
"options": {
"redirect": {
"redirect": {}
}
},
"sendBody": true,
"contentType": "multipart-form-data",
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "model",
"value": "voxtral-mini-2507"
},
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"nodeCredentialType": "mistralCloudApi"
},
"credentials": {
"mistralCloudApi": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
}
],
"connections": {
"Myself?": {
"main": [
[
{
"node": "Message Router",
"type": "main",
"index": 0
}
]
]
},
"AI Agent": {
"main": [
[
{
"node": "Telegram answer",
"type": "main",
"index": 0
}
]
]
},
"Web search": {
"ai_tool": [
[
{
"node": "AI Agent",
"type": "ai_tool",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Get Audio File": {
"main": [
[
{
"node": "Mistral transcribe",
"type": "main",
"index": 0
}
]
]
},
"Message Router": {
"main": [
[
{
"node": "Get Audio File",
"type": "main",
"index": 0
}
],
[
{
"node": "Prepare message from text",
"type": "main",
"index": 0
}
]
]
},
"Telegram Trigger": {
"main": [
[
{
"node": "Myself?",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Mistral transcribe": {
"main": [
[
{
"node": "Prepare message from audio",
"type": "main",
"index": 0
}
]
]
},
"Consolidate user message": {
"main": [
[
{
"node": "AI Agent",
"type": "main",
"index": 0
}
]
]
},
"Prepare message from text": {
"main": [
[
{
"node": "Consolidate user message",
"type": "main",
"index": 0
}
]
]
},
"Prepare message from audio": {
"main": [
[
{
"node": "Consolidate user message",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
mistralCloudApiopenAiApitelegramApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Create a Telegram bot that answers questions using AI-powered web search from Linkup and an LLM agent (GPT-4.1).
Source: https://n8n.io/workflows/9871/ — original creator credit. Request a take-down →
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