This workflow follows the HTTP Request → OpenAI 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 →
{
"name": "My workflow",
"nodes": [
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "fe7ecc99-e1e8-4a5e-bdd6-6fce9757b234",
"name": "text",
"value": "={{ $json.message.text }}",
"type": "string"
}
]
},
"options": {}
},
"id": "e3b7732c-906d-40f4-be62-7743a65c43c2",
"name": "Set 'Text'",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
0,
140
]
},
{
"parameters": {
"resource": "file",
"fileId": "={{ $json.message.voice.file_id }}"
},
"id": "0e5b3f83-0b76-4b3e-a86b-26745b22c143",
"name": "Download Voice File",
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-80,
-20
],
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "audio",
"operation": "transcribe",
"options": {}
},
"id": "b8ba3f88-211b-4833-9b6d-53b95dc19f42",
"name": "Transcribe Audio",
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.6,
"position": [
80,
-20
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.message.voice.file_id }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Voice"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "8c844924-b2ed-48b0-935c-c66a8fd0c778",
"leftValue": "={{ $json.message.text }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Text"
}
]
},
"options": {}
},
"id": "914f2bdc-101a-4fa6-b65e-22efc50ecaf2",
"name": "Switch",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
-340,
60
]
},
{
"parameters": {
"content": "# Trigger\n",
"height": 400,
"width": 360,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-540,
-100
],
"id": "7c27fbba-86e6-487e-829a-fefef5adcc56",
"name": "Sticky Note1"
},
{
"parameters": {
"content": "# Voice or Text",
"height": 400,
"width": 420,
"color": 7
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-160,
-100
],
"id": "dac91f97-fb9f-426e-94ab-c36cce5b24c4",
"name": "Sticky Note7"
},
{
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"type": "n8n-nodes-base.telegramTrigger",
"typeVersion": 1.2,
"position": [
-520,
60
],
"id": "2530814f-b9ea-4aca-a015-3fd110ed7896",
"name": "Telegram_Trigger",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"method": "POST",
"url": "http://52.0.132.35:8000/extract-audio",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "url",
"value": "={{ $json.text }}"
},
{
"name": "format",
"value": "mp3"
},
{
"name": "quality",
"value": "192"
},
{
"name": "return_url",
"value": "false"
}
]
},
"options": {
"response": {
"response": {
"responseFormat": "file",
"outputPropertyName": "audio"
}
},
"timeout": 120000
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
460,
0
],
"id": "255bf626-f354-4716-a82b-5e1c7120e52e",
"name": "AudioExtractor"
},
{
"parameters": {
"operation": "sendAudio",
"chatId": "={{ $('Telegram_Trigger').item.json.message.chat.id }}",
"binaryData": true,
"binaryPropertyName": "audio",
"additionalFields": {
"caption": "\ud83c\udfb5 Audio extracted from: {{ $('Set \\'Text\\'').item.json.text }}",
"title": "Extracted Audio"
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
660,
0
],
"id": "9121aee0-7389-47d0-9173-0bd8cfb5cacb",
"name": "Send Audio to Telegram",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "# Audio Processing",
"height": 300,
"width": 420,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
400,
-100
],
"id": "13805739-5cde-495a-970c-83d0b9264882",
"name": "Sticky Note - Audio"
}
],
"connections": {
"Set 'Text'": {
"main": [
[
{
"node": "AudioExtractor",
"type": "main",
"index": 0
}
]
]
},
"Download Voice File": {
"main": [
[
{
"node": "Transcribe Audio",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "Download Voice File",
"type": "main",
"index": 0
}
],
[
{
"node": "Set 'Text'",
"type": "main",
"index": 0
}
]
]
},
"Telegram_Trigger": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"AudioExtractor": {
"main": [
[
{
"node": "Send Audio to Telegram",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"versionId": "75adbb28-ada1-4459-86b3-252efc7df63e",
"id": "WcKHYZLZu5oN0wSH",
"tags": []
}
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
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About this workflow
Flow1. Uses telegram, openAi, telegramTrigger, httpRequest. Event-driven trigger; 10 nodes.
Source: https://github.com/0xabstracted/socialmedia-audio-extractor/blob/19729509dfa6bb2625e9cc3abd4c4d3e35f8b2f1/n8n/flow1.json — original creator credit. Request a take-down →
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