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": "65196267-0d57-4af4-9081-962701478146",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
660,
640
],
"parameters": {
"model": "gpt-4o",
"options": {
"temperature": 0.7,
"frequencyPenalty": 0.2
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "fc446ef0-2f15-42e7-a993-7960d76d8876",
"name": "Window Buffer Memory",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
800,
640
],
"parameters": {
"sessionKey": "=chat_with_{{ $('Listen for incoming events').first().json.message.chat.id }}",
"contextWindowLength": 10
},
"typeVersion": 1
},
{
"id": "51c3cddd-fc21-4fff-b615-ea7080c47947",
"name": "Correct errors",
"type": "n8n-nodes-base.telegram",
"position": [
1220,
580
],
"parameters": {
"text": "={{ $('AI Agent').item.json.output.replace(/&/g, \"&\").replace(/>/g, \">\").replace(/</g, \"<\").replace(/\"/g, \""\") }}",
"chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
"additionalFields": {
"parse_mode": "HTML",
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "d931b7e1-bc17-431e-ae67-967b6ef79236",
"name": "Listen for incoming events",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-440,
480
],
"parameters": {
"updates": [
"*"
],
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "b33335ff-5dea-4fff-8f63-fea2b11b8241",
"name": "Download voice file",
"type": "n8n-nodes-base.telegram",
"position": [
60,
600
],
"parameters": {
"fileId": "={{$json.message.voice.file_id}}",
"resource": "file"
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "2954ced6-ab98-42e6-bf64-237146a433e0",
"name": "Combine content and set properties",
"type": "n8n-nodes-base.set",
"position": [
440,
460
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "bccbce0a-7786-49c9-979a-7a285cb69f78",
"name": "CombinedMessage",
"type": "string",
"value": "={{ $json.message && $json.message.text ? $json.message.text : ($json.text ? $json.text : '') }}"
},
{
"id": "5b1fc9f5-1408-4099-88cc-a23725c9eddb",
"name": "Message Type ",
"type": "string",
"value": "={{ $json?.message?.text && !$json?.text ? \"text query\" : (!$json?.message?.text && $json?.text ? \"voice message\" : \"unknown type message\") }}"
},
{
"id": "1e9a17fa-ec5d-49dc-9ff6-1f28b57fb02e",
"name": "Source Type",
"type": "string",
"value": "={{ $('Listen for incoming events').item.json.message.forward_origin ? \" forwarded\" : \"\" }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e18de374-941f-4c2e-ab6c-6c6f68f2ce12",
"name": "Send final reply",
"type": "n8n-nodes-base.telegram",
"onError": "continueErrorOutput",
"position": [
1040,
460
],
"parameters": {
"text": "={{ $json.output }} \n\nThank you for your{{ $('Combine content and set properties').item.json['Source Type'] }} {{ $('Combine content and set properties').item.json['Message Type '] }} \ud83e\udd17",
"chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
"additionalFields": {
"parse_mode": "HTML",
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.1
},
{
"id": "b47a9583-ce5c-464f-a9e6-153fb42e685f",
"name": "Send error message",
"type": "n8n-nodes-base.telegram",
"position": [
60,
300
],
"parameters": {
"text": "=Sorry, {{ $('Listen for incoming events').first().json.message.from.first_name }}! This command is not supported yet. Please send text or voice messages.",
"chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
"additionalFields": {
"parse_mode": "Markdown",
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "0196b49e-90a1-4f2f-8b94-492fced37dbf",
"name": "Convert audio to text",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
240,
600
],
"parameters": {
"options": {
"language": "",
"temperature": 0.7
},
"resource": "audio",
"operation": "transcribe"
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.5
},
{
"id": "66505b83-e0c3-4d9d-8e1a-9b54030e29e7",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-466.12784869794086,
220
],
"parameters": {
"width": 1035.4478381373049,
"height": 547.5630890194532,
"content": "## Receive and pre-process messages \n"
},
"typeVersion": 1
},
{
"id": "44087d3f-86c8-407c-8791-645d167165cb",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
620,
220
],
"parameters": {
"color": 2,
"width": 861.262180151035,
"height": 550.5748478134515,
"content": "## 1. Send incoming message to the AI Agent\n## 2. Deliver agent reply to the user \n"
},
"typeVersion": 1
},
{
"id": "d7e58831-de97-483f-8b8a-583f85397245",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
20,
553.0639243489702
],
"parameters": {
"color": 6,
"width": 367.73614918993235,
"height": 194.83713159725437,
"content": "## Transcribe audio"
},
"typeVersion": 1
},
{
"id": "89515d80-6efc-40a8-95ce-343d4ff4dbee",
"name": "Send Typing action",
"type": "n8n-nodes-base.telegram",
"position": [
-180,
300
],
"parameters": {
"chatId": "={{ $('Listen for incoming events').first().json.message.from.id }}",
"operation": "sendChatAction"
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "c925d059-f843-473c-bfd4-3c563d80ca0f",
"name": "AI Agent",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
680,
460
],
"parameters": {
"text": "={{ $json.CombinedMessage }}",
"options": {
"humanMessage": "TOOLS\n------\nAssistant can ask the user to use tools to look up information that may be helpful in answering the users original question. The tools the human can use are:\n\n{tools}\n\n{format_instructions}\n\nUSER'S INPUT\n--------------------\nHere is the user's input (remember to respond with a markdown code snippet of a json blob with a single action, and NOTHING else):\n\n{{input}}",
"systemMessage": "=You are a helpful AI assistant. You are chatting with the user named `{{ $('Determine content type').item.json.message.from.first_name }}`. You need to address the user by their name. Today is {{ DateTime.fromISO($now).toLocaleString(DateTime.DATETIME_FULL) }}\n\nIn your reply, always send a message in Telegram-supported HTML format. Here are the formatting instructions:\n1. The following tags are currently supported:\n<b>bold</b>, <strong>bold</strong>\n<i>italic</i>, <em>italic</em>\n<u>underline</u>, <ins>underline</ins>\n<s>strikethrough</s>, <strike>strikethrough</strike>, <del>strikethrough</del>\n<span class=\"tg-spoiler\">spoiler</span>, <tg-spoiler>spoiler</tg-spoiler>\n<b>bold <i>italic bold <s>italic bold strikethrough <span class=\"tg-spoiler\">italic bold strikethrough spoiler</span></s> <u>underline italic bold</u></i> bold</b>\n<a href=\"http://www.example.com/\">inline URL</a>\n<code>inline fixed-width code</code>\n<pre>pre-formatted fixed-width code block</pre>\n2. Any code that you send should be wrapped in these tags: <pre><code class=\"language-python\">pre-formatted fixed-width code block written in the Python programming language</code></pre>\nOther programming languages are supported as well.\n3. All <, > and & symbols that are not a part of a tag or an HTML entity must be replaced with the corresponding HTML entities (< with <, > with > and & with &)\n4. If the user sends you a message starting with / sign, it means this is a Telegram bot command. For example, all users send /start command as their first message. Try to figure out what these commands mean and reply accodringly\n"
}
},
"typeVersion": 1.1
},
{
"id": "2c56536d-1a86-4a49-b495-3e877adb308a",
"name": "Determine content type",
"type": "n8n-nodes-base.switch",
"position": [
-180,
480
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "Text",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
},
"leftValue": "={{ $json.message.text }}",
"rightValue": "/"
}
]
},
"renameOutput": true
},
{
"outputKey": "Voice",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "dd41bbf0-bee0-450b-9160-b769821a4abc",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.voice}}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {
"fallbackOutput": "extra"
}
},
"typeVersion": 3.2
}
],
"connections": {
"AI Agent": {
"main": [
[
{
"node": "Send final reply",
"type": "main",
"index": 0
}
]
]
},
"Send final reply": {
"main": [
[],
[
{
"node": "Correct errors",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "AI Agent",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Download voice file": {
"main": [
[
{
"node": "Convert audio to text",
"type": "main",
"index": 0
}
]
]
},
"Window Buffer Memory": {
"ai_memory": [
[
{
"node": "AI Agent",
"type": "ai_memory",
"index": 0
}
]
]
},
"Convert audio to text": {
"main": [
[
{
"node": "Combine content and set properties",
"type": "main",
"index": 0
}
]
]
},
"Determine content type": {
"main": [
[
{
"node": "Combine content and set properties",
"type": "main",
"index": 0
}
],
[
{
"node": "Download voice file",
"type": "main",
"index": 0
}
],
[
{
"node": "Send error message",
"type": "main",
"index": 0
}
]
]
},
"Listen for incoming events": {
"main": [
[
{
"node": "Determine content type",
"type": "main",
"index": 0
},
{
"node": "Send Typing action",
"type": "main",
"index": 0
}
]
]
},
"Combine content and set properties": {
"main": [
[
{
"node": "AI Agent",
"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.
openAiApitelegramApi
About this workflow
Telegram Ai Bot Assistant Ready Made Template For Voice Text Messages. Uses lmChatOpenAi, memoryBufferWindow, telegram, telegramTrigger. Event-driven trigger; 15 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →