This workflow follows the HTTP Request → OpenAI recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"active": true,
"connections": {
"Edit Fields3": {
"main": [
[
{
"node": "Convert to File",
"type": "main",
"index": 0
}
]
]
},
"Convert to File": {
"main": [
[
{
"node": "Transcribe a recording",
"type": "main",
"index": 0
}
]
]
},
"Switch2": {
"main": [
[
{
"node": "replace",
"type": "main",
"index": 0
}
],
[
{
"node": "GET audio",
"type": "main",
"index": 0
}
],
[
{
"node": "Send a photo message",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[]
]
},
"Segmentos": {
"main": [
[
{
"node": "Loop Over Items1",
"type": "main",
"index": 0
}
]
]
},
"1,2s": {
"main": [
[
{
"node": "Send a text message",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items1": {
"main": [
[],
[
{
"node": "1,2s",
"type": "main",
"index": 0
}
]
]
},
"replace": {
"main": [
[
{
"node": "Segmentos",
"type": "main",
"index": 0
}
]
]
},
"If": {
"main": [
[],
[]
]
},
"V1": {
"main": [
[
{
"node": "Switch2",
"type": "main",
"index": 0
}
]
]
},
"Lu": {
"main": [
[
{
"node": "V1",
"type": "main",
"index": 0
}
]
]
},
"Send a text message": {
"main": [
[
{
"node": "Loop Over Items1",
"type": "main",
"index": 0
}
]
]
},
"Transcribe a recording": {
"main": [
[]
]
},
"Edit Fields4": {
"main": [
[
{
"node": "Convert to File1",
"type": "main",
"index": 0
}
]
]
},
"Convert to File1": {
"main": [
[
{
"node": "Transcribe a recording1",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "replace1",
"type": "main",
"index": 0
}
],
[
{
"node": "Edit Fields4",
"type": "main",
"index": 0
}
],
[
{
"node": "Send a photo message1",
"type": "main",
"index": 0
}
]
]
},
"Segmentos1": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"1,2s1": {
"main": [
[
{
"node": "Send a text message1",
"type": "main",
"index": 0
}
]
]
},
"Loop Over Items": {
"main": [
[],
[
{
"node": "1,2s1",
"type": "main",
"index": 0
}
]
]
},
"V": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
]
]
},
"Send a text message1": {
"main": [
[
{
"node": "Loop Over Items",
"type": "main",
"index": 0
}
]
]
},
"Transcribe a recording1": {
"main": [
[
{
"node": "Segmentos1",
"type": "main",
"index": 0
}
]
]
},
"replace1": {
"main": [
[
{
"node": "Segmentos1",
"type": "main",
"index": 0
}
]
]
},
"GET audio": {
"main": [
[
{
"node": "Convert audio",
"type": "main",
"index": 0
}
]
]
},
"Convert audio": {
"main": [
[
{
"node": "OpenAI",
"type": "main",
"index": 0
}
]
]
},
"OpenAI": {
"main": [
[
{
"node": "Segmentos",
"type": "main",
"index": 0
}
]
]
}
},
"createdAt": "2025-06-28T03:55:39.939Z",
"id": "3QcS36PdbvD90c91",
"isArchived": false,
"meta": {
"templateCredsSetupCompleted": true
},
"name": "LU",
"nodes": [
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "b7d210f0-6a18-456d-9e89-aa28f548b2a0",
"name": "audio",
"value": "={{ $json.msg.audio }}",
"type": "string"
}
]
},
"options": {}
},
"id": "3b834717-daac-4a24-a02e-47cd851048ff",
"name": "Edit Fields3",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
208,
-464
]
},
{
"parameters": {
"operation": "toBinary",
"sourceProperty": "audio",
"options": {
"fileName": "aduio.ogg"
}
},
"id": "5570e257-c3ce-45da-aaeb-3d266299d98e",
"name": "Convert to File",
"type": "n8n-nodes-base.convertToFile",
"typeVersion": 1.1,
"position": [
432,
-464
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "0cb14635-2673-408e-86db-ce9e0373674b",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "conversation",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Texto"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "17a91880-7f4e-4c0e-a9d9-5fbcb6e29f33",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "audioMessage",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "audio"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "e18a40cd-8037-4b56-873b-bbe690480a0d",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "imageMessage",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "imagen"
}
]
},
"options": {}
},
"id": "a55bca91-ad06-45ca-9784-00ea4b01d68c",
"name": "Switch2",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
1152,
128
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "294730d2-a6a9-417d-b97e-46314b89d7f4",
"name": "msg",
"value": "={{ $json.text }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
480,
1088
],
"id": "dad5ff4b-c1ac-4de8-8c2a-9b524148fa1c",
"name": "Edit Fields"
},
{
"parameters": {
"fieldToSplitOut": "text",
"options": {
"destinationFieldName": "msg"
}
},
"id": "f8677022-0663-4b05-9866-74cf7ba8da50",
"name": "Segmentos",
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
2256,
48
]
},
{
"parameters": {
"amount": 1.2
},
"id": "48612fbc-9ad3-4fcc-9055-0fcfecc3feb5",
"name": "1,2s",
"type": "n8n-nodes-base.wait",
"typeVersion": 1.1,
"position": [
2704,
-32
]
},
{
"parameters": {
"options": {}
},
"id": "3e7ea36e-78fa-4b85-9c22-95d8dfbb9b70",
"name": "Loop Over Items1",
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 3,
"position": [
2480,
48
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "5d04d69d-cb9c-41be-a44a-95fac3c059f3",
"name": "text",
"value": "={{ $json.msg.content }}",
"type": "string"
}
]
},
"options": {}
},
"id": "c5fe8bf7-b7c9-47ed-a87f-d1da4ca9c37c",
"name": "replace",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1760,
-16
]
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "a3a8f950-56cb-4eb3-80e1-20df81110c7c",
"leftValue": "={{ $json.body.data.key.fromMe }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "false",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
592,
320
],
"id": "4284d93e-f95b-438f-a7b2-fa4288688552",
"name": "If"
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "f9ecf2fc-da2c-4f44-897a-5dc0a2f2f379",
"name": "msg.telefono_sender",
"value": "={{ $('Lu').item.json.body.data.key.remoteJid }}",
"type": "string"
},
{
"id": "dab7ca54-c3d2-4a36-a9ca-a0ebbd375ef5",
"name": "msg.quien_envia_a_luchi",
"value": "={{ $('Lu').item.json.body.data.pushName }}",
"type": "string"
},
{
"id": "cc7dcfe1-8ad7-4fe8-93ec-8f643c7d08c7",
"name": "msg.type",
"value": "={{ $json.body.data.messageType }}",
"type": "string"
},
{
"id": "81612acf-1b66-4c8e-82e4-ce8c77b31334",
"name": "msg.content",
"value": "={{ $('Lu').item.json.body.data.message.conversation }}",
"type": "string"
},
{
"id": "2dfc64f4-b222-4ea7-b095-fdd96d9fcb95",
"name": "msg.idmsg",
"value": "={{ $('Lu').item.json.body.data.key.id }}",
"type": "string"
},
{
"id": "d5e7819b-2e77-4cc0-8481-fcaaa9d19e4e",
"name": "msg.audio",
"value": "={{ ($json.body.data.fileBase64 || '').substring(($json.body.data.fileBase64 || '').indexOf(',') + 1) }}",
"type": "string"
}
]
},
"options": {}
},
"id": "ca79a770-1d20-44f8-ad5e-0f6a1ed685ec",
"name": "V1",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
928,
144
],
"notesInFlow": true
},
{
"parameters": {
"httpMethod": "POST",
"path": "luchi",
"options": {}
},
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
672,
160
],
"id": "537f6c10-c5c3-4316-9631-ed5760d57d33",
"name": "Lu"
},
{
"parameters": {
"chatId": "164729397",
"text": "={{ $('V1').item.json.msg.quien_envia_a_luchi }}: {{ $json.msg }}",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
2928,
48
],
"id": "087e81d4-78a9-486d-b142-95aef0f8ca7c",
"name": "Send a text message",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "sendPhoto",
"chatId": "164729397",
"binaryData": true,
"binaryPropertyName": "={{ $('Lu').item.json.body.data.message.base64 }}",
"additionalFields": {}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
1728,
400
],
"id": "d22e3fd7-4451-4045-be4b-297291336b86",
"name": "Send a photo message",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "audio",
"operation": "transcribe",
"binaryPropertyName": "=data",
"options": {
"temperature": 0
}
},
"id": "9755471b-5730-42ba-a4dc-f6ebc27dde73",
"name": "Transcribe a recording",
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.7,
"position": [
656,
-464
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "b7d210f0-6a18-456d-9e89-aa28f548b2a0",
"name": "audio",
"value": "={{ $json.msg.audio }}",
"type": "string"
}
]
},
"options": {}
},
"id": "f4d01249-ad66-4049-9cce-dc90ac315a51",
"name": "Edit Fields4",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1328,
1056
]
},
{
"parameters": {
"operation": "toBinary",
"sourceProperty": "audio",
"options": {
"fileName": "aduio.ogg"
}
},
"id": "3c065de6-bcb5-4c1b-bdeb-bb26a9f0686f",
"name": "Convert to File1",
"type": "n8n-nodes-base.convertToFile",
"typeVersion": 1.1,
"position": [
1552,
1056
]
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "0cb14635-2673-408e-86db-ce9e0373674b",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "conversation",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "Texto"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "17a91880-7f4e-4c0e-a9d9-5fbcb6e29f33",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "audioMessage",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "audio"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "e18a40cd-8037-4b56-873b-bbe690480a0d",
"leftValue": "={{ $json.msg.type }}",
"rightValue": "imageMessage",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "imagen"
}
]
},
"options": {}
},
"id": "e73c1a71-67dc-42d6-818e-8c4a13da0884",
"name": "Switch",
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
1104,
848
]
},
{
"parameters": {
"fieldToSplitOut": "text",
"options": {
"destinationFieldName": "msg"
}
},
"id": "003f62fb-7a9b-4b67-9b21-b091a6e3a811",
"name": "Segmentos1",
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
2000,
960
]
},
{
"parameters": {
"amount": 1.2
},
"id": "a2774442-3139-4189-b743-562f89b8de80",
"name": "1,2s1",
"type": "n8n-nodes-base.wait",
"typeVersion": 1.1,
"position": [
2448,
784
]
},
{
"parameters": {
"options": {}
},
"id": "5214fc2d-28a2-477d-b519-3a55fbe3fed6",
"name": "Loop Over Items",
"type": "n8n-nodes-base.splitInBatches",
"typeVersion": 3,
"position": [
2224,
960
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "f9ecf2fc-da2c-4f44-897a-5dc0a2f2f379",
"name": "msg.telefono_sender",
"value": "={{ $('Lu').item.json.body.data.remoteJid }}",
"type": "string"
},
{
"id": "dab7ca54-c3d2-4a36-a9ca-a0ebbd375ef5",
"name": "msg.quien_envia_a_luchi",
"value": "={{ $('Lu').item.json.body.data.pushName }}",
"type": "string"
},
{
"id": "cc7dcfe1-8ad7-4fe8-93ec-8f643c7d08c7",
"name": "msg.type",
"value": "={{ $json.body.data.messageType }}",
"type": "string"
},
{
"id": "81612acf-1b66-4c8e-82e4-ce8c77b31334",
"name": "msg.content",
"value": "={{ $('Lu').item.json.body.data.msgContent.conversation }}",
"type": "string"
},
{
"id": "2dfc64f4-b222-4ea7-b095-fdd96d9fcb95",
"name": "msg.idmsg",
"value": "={{ $('Lu').item.json.body.data.key.id }}",
"type": "string"
},
{
"id": "d5e7819b-2e77-4cc0-8481-fcaaa9d19e4e",
"name": "msg.audio",
"value": "={{ ($json.body.data.fileBase64 || '').substring(($json.body.data.fileBase64 || '').indexOf(',') + 1) }}",
"type": "string"
}
]
},
"options": {}
},
"id": "91ccc6e3-6dde-4c0b-b38c-901061973461",
"name": "V",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
880,
864
],
"notesInFlow": true
},
{
"parameters": {
"chatId": "164729397",
"text": "={{ $('V').item.json.msg.quien_envia_a_luchi }}: {{ $json.msg }}",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
2672,
960
],
"id": "c79f6e4e-b2c3-4e1b-98fd-4d0b9241b5dd",
"name": "Send a text message1",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "sendPhoto",
"chatId": "164729397",
"file": "={{ $json.msg.content }}",
"additionalFields": {}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
1328,
720
],
"id": "f4f83feb-ae50-4a29-b590-33e6318ef5df",
"name": "Send a photo message1",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "audio",
"operation": "transcribe",
"binaryPropertyName": "=data",
"options": {
"language": "es"
}
},
"id": "500cd3b9-df50-4374-b572-a70381017234",
"name": "Transcribe a recording1",
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.7,
"position": [
1776,
1056
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "5d04d69d-cb9c-41be-a44a-95fac3c059f3",
"name": "text",
"value": "={{ $json.msg.content }}",
"type": "string"
}
]
},
"options": {}
},
"id": "cedc0641-a989-4b92-9ea9-f851b9441e64",
"name": "replace1",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1776,
864
]
},
{
"parameters": {
"method": "POST",
"url": "={{ $('Normalizacion').item.json.instance.server_url }}/chat/getBase64FromMediaMessage/{{ $('Normalizacion').item.json.instance.name }}",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "apikey",
"value": "={{ $('Normalizacion').item.json.instance.apikey }}"
}
]
},
"sendBody": true,
"bodyParameters": {
"parameters": [
{
"name": "message.key.id",
"value": "={{ $('Normalizacion').item.json.message.message_id }}"
},
{
"name": "convertToMp4",
"value": "={{Boolean(false)}}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1616,
192
],
"id": "441a9626-3cf2-402b-9064-1e313ff66bdb",
"name": "GET audio"
},
{
"parameters": {
"operation": "toBinary",
"sourceProperty": "base64",
"options": {
"mimeType": "={{ $json.mimetype }}"
}
},
"type": "n8n-nodes-base.convertToFile",
"typeVersion": 1.1,
"position": [
1840,
192
],
"id": "f92ce3e4-1163-4233-a978-236a2f12d0ce",
"name": "Convert audio"
},
{
"parameters": {
"resource": "audio",
"operation": "transcribe",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.openAi",
"typeVersion": 1.8,
"position": [
2064,
192
],
"id": "4193e1eb-848d-4f7a-9be8-0853b4180c80",
"name": "OpenAI",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
}
],
"settings": {
"executionOrder": "v1",
"errorWorkflow": "2kOn0Oz7c2uvczPK",
"timezone": "America/Argentina/Buenos_Aires"
},
"staticData": null,
"tags": [],
"triggerCount": 1,
"updatedAt": "2025-08-11T17:05:09.826Z",
"versionId": "08f10fc3-d550-47f7-be4d-f0e29f654693"
}
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
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
LU. Uses telegram, openAi, httpRequest. Webhook trigger; 28 nodes.
Source: https://github.com/fer336/workback/blob/328a48f11b1e3d69b6c7a911b4269e5d6497480b/workflows/3QcS36PdbvD90c91.json — original creator credit. Request a take-down →
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