Transcripción de audio - Creador de n8n (plantilla)
Avanzado
Este es unDocument Extraction, Multimodal AIflujo de automatización del dominio deautomatización que contiene 22 nodos.Utiliza principalmente nodos como If, Set, Switch, Telegram, HttpRequest. Transcripción de audio con Telegram y Groq Whisper
Requisitos previos
- •Bot Token de Telegram
- •Pueden requerirse credenciales de autenticación para la API de destino
Nodos utilizados (22)
Vista previa del flujo de trabajo
Visualización de las conexiones entre nodos, con soporte para zoom y panorámica
Exportar flujo de trabajo
Copie la siguiente configuración JSON en n8n para importar y usar este flujo de trabajo
{
"id": "BN02jX48DXzgyJFd",
"meta": {
"instanceId": "733e9abfd67f4f2666a76557fe5d7598ae7705aa1e6ff21081cb972137b3c8b4",
"templateCredsSetupCompleted": true
},
"name": "Audio Transcript - n8n Creator (Template)",
"tags": [
{
"id": "K8YLAjjyi0ToB8gy",
"name": "playground",
"createdAt": "2025-10-09T12:08:34.847Z",
"updatedAt": "2025-10-09T12:08:34.847Z"
}
],
"nodes": [
{
"id": "ddd06891-12f5-4227-81cd-03fd55b864fe",
"name": "Telegram: Recibir Mensaje",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-864,
48
],
"webhookId": "823f9309-3b41-4ed6-995f-cf5b657970ee",
"parameters": {
"updates": [
"message"
],
"additionalFields": {
"chatIds": "8464412504"
}
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "fb897823-f7ef-4400-9e43-cf2b25b1c6c8",
"name": "Switch (Verificar Tipo de Mensaje)",
"type": "n8n-nodes-base.switch",
"position": [
-432,
32
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "audio",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "da43a983-aec8-424c-956d-a4f335ec3639",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.audio.file_id }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "voice",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b5b7d9ac-0a1a-4b65-bde4-8ab98ca2d8f4",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.voice.file_id }}",
"rightValue": ""
}
]
},
"renameOutput": true
},
{
"outputKey": "error",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "68cd3161-3841-402d-8df7-6b5e0aa062e0",
"operator": {
"type": "string",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.text }}",
"rightValue": ""
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.3
},
{
"id": "2ff93d32-9942-47d4-9500-91fb50a62d9d",
"name": "Telegram: Mensaje de Tipo No Soportado",
"type": "n8n-nodes-base.telegram",
"position": [
-448,
320
],
"webhookId": "b0f48834-4a46-4378-9f52-ab563c2ccc8d",
"parameters": {
"text": "Yo! I only take audio😅, drop a audio message instead!",
"chatId": "={{ $('Telegram: Receive Message').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "ed090526-76d4-417d-9e2b-9eb5a1043192",
"name": "Set Node (tipo audio)",
"type": "n8n-nodes-base.set",
"position": [
-80,
-48
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "ed1a6e35-7378-4907-be8d-70946ffd0326",
"name": "fileid",
"type": "string",
"value": "={{ $('Telegram: Receive Message').item.json.message.audio.file_id }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "60c0e970-e175-481d-9cd4-d50a83ae67f6",
"name": "Set Node (tipo voz)",
"type": "n8n-nodes-base.set",
"position": [
-80,
112
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "ed1a6e35-7378-4907-be8d-70946ffd0326",
"name": "fileid",
"type": "string",
"value": "={{ $('Telegram: Receive Message').item.json.message.voice.file_id }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "4a1dd34d-aadd-4b4a-be92-1090529d111c",
"name": "Telegram: Descargar Archivo de Audio",
"type": "n8n-nodes-base.telegram",
"position": [
400,
32
],
"webhookId": "b4d5787b-b958-4d86-b0bb-98b5f6703dba",
"parameters": {
"fileId": "={{ $json.fileid }}",
"download": false,
"resource": "file"
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "1f20c4c9-fea0-4bc0-b424-1bb04813f40d",
"name": "HTTP - Transcribir Audio (Groq)",
"type": "n8n-nodes-base.httpRequest",
"position": [
1040,
32
],
"parameters": {
"url": "https://api.groq.com/openai/v1/audio/transcriptions",
"method": "POST",
"options": {
"response": {
"response": {
"responseFormat": "json"
}
}
},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "url",
"value": "=https://api.telegram.org/file/bot{{ $('Set Credentials (Groq + Telegram)').item.json.Telegram_access_token }}/{{ $('Telegram: Download Audio File').item.json.result.file_path }}"
},
{
"name": "model",
"value": "whisper-large-v3"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "=Bearer {{ $('Set Credentials (Groq + Telegram)').item.json.Groq_API }}"
},
{
"name": "Content-Type",
"value": "multipart/form-data"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "af9c037a-6b23-4570-b71b-3f1cb24b31fd",
"name": "Set Credentials (Groq + Telegram)",
"type": "n8n-nodes-base.set",
"position": [
848,
32
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "51f14a4d-3941-40f1-8990-f339f975fbe6",
"name": "Groq_API",
"type": "string",
"value": "YOUR_GROQ_API_KEY"
},
{
"id": "4359c1e6-d3e9-4456-8dca-da0162c54942",
"name": "Telegram_access_token",
"type": "string",
"value": "YOUR_TELEGRAM_BOT_ACCESS_TOKEN"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "c8c763af-dd67-448c-8d2c-cb6add5a1419",
"name": "Telegram: Enviar Opciones de Salida",
"type": "n8n-nodes-base.telegram",
"position": [
1488,
32
],
"webhookId": "d26b66fd-68ef-48a8-889c-4961108c02a7",
"parameters": {
"chatId": "={{ $('Telegram: Receive Message').item.json.message.chat.id }}",
"message": "=Which format do you want? 👇",
"options": {
"appendAttribution": false
},
"operation": "sendAndWait",
"approvalOptions": {
"values": {
"approvalType": "double",
"approveLabel": "Text message",
"disapproveLabel": "Text file"
}
}
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "77cda3ba-1c15-4c59-88a5-6f29bece5df9",
"name": "If: Tipo de Salida Seleccionado",
"type": "n8n-nodes-base.if",
"position": [
1696,
32
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "9d302e0c-44e2-4b9e-a3ed-8d21e67945ed",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.data.approved }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.2
},
{
"id": "9346c0a9-6f5e-4f01-b156-ef0945b85bed",
"name": "Telegram: Enviar Mensaje de Transcripción",
"type": "n8n-nodes-base.telegram",
"position": [
2048,
-240
],
"webhookId": "c27aae61-d82e-4bd5-ba6e-89d4fad05dc6",
"parameters": {
"text": "={{ $('HTTP - Transcribe Audio (Groq)').item.json.text }}",
"chatId": "={{ $('Telegram: Receive Message').item.json.message.from.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "95e83cb8-1db4-46c7-ab23-288bba951bf4",
"name": "Set: Texto de Audio Transcrito",
"type": "n8n-nodes-base.set",
"position": [
2224,
256
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "20342409-f694-48b6-a09d-3607fed653ed",
"name": "text",
"type": "string",
"value": "={{ $('HTTP - Transcribe Audio (Groq)').item.json.text }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "e74b6a79-5e27-4f36-962d-cda423db241e",
"name": "Convertir a Archivo TXT",
"type": "n8n-nodes-base.convertToFile",
"position": [
2432,
256
],
"parameters": {
"options": {
"fileName": "transcription.txt"
},
"operation": "toText",
"sourceProperty": "text",
"binaryPropertyName": "=transcription"
},
"typeVersion": 1.1
},
{
"id": "cfa6abb9-e7ec-4c13-beec-18bf88f9977f",
"name": "Enviar Archivo de Transcripción",
"type": "n8n-nodes-base.telegram",
"position": [
2640,
256
],
"webhookId": "3eeca011-cdd1-457b-ba1d-8806dfa0e5d2",
"parameters": {
"chatId": "={{ $('Telegram: Receive Message').item.json.message.from.id }}",
"operation": "sendDocument",
"binaryData": true,
"additionalFields": {},
"binaryPropertyName": "transcription"
},
"credentials": {
"telegramApi": {
"id": "s9JmQ5AGImJ32oBQ",
"name": "abhiman1bot - Telegram"
}
},
"typeVersion": 1.2
},
{
"id": "a65deb4c-a125-4ca2-9966-bf9c4f8fcb73",
"name": "Nota Adhesiva",
"type": "n8n-nodes-base.stickyNote",
"position": [
-992,
-192
],
"parameters": {
"color": 5,
"width": 352,
"height": 432,
"content": "# Telegram Trigger\n\n- Triggers workflow when a message is received in your Telegram bot.\n- Setup:\n 1. Create a bot via BotFather.\n 2. Add bot token in this node.\n 3. Choose event type (Message or Command)."
},
"typeVersion": 1
},
{
"id": "f3f96946-1b21-4e3e-a973-84aba1c22f8f",
"name": "Nota Adhesiva1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-560,
-288
],
"parameters": {
"color": 5,
"width": 752,
"height": 816,
"content": "# Audio/Voice Switch\n\n- Checks if the incoming Telegram message is an audio file or a voice message. \n- If valid, sets the file ID for further processing. \n- If the message is not audio/voice:\n - Sends a \"Wrong file type. Please send an audio or voice message.\" notification back to the user via Telegram. \n - Stops the workflow immediately to prevent further execution. \n- Routes messages based on type for downstream nodes."
},
"typeVersion": 1
},
{
"id": "1433aed5-6a96-47b3-84a1-88c76c743f34",
"name": "Nota Adhesiva2",
"type": "n8n-nodes-base.stickyNote",
"position": [
272,
-176
],
"parameters": {
"color": 5,
"width": 352,
"height": 416,
"content": "# Telegram Download\n\n- Downloads the audio/voice file from Telegram using the file ID. \n- Outputs the **file path** for use in downstream nodes."
},
"typeVersion": 1
},
{
"id": "1911d9ab-b858-4dd3-a40e-9cc9bc3e4ee1",
"name": "Nota Adhesiva3",
"type": "n8n-nodes-base.stickyNote",
"position": [
704,
-512
],
"parameters": {
"color": 5,
"width": 608,
"height": 736,
"content": "# Set & HTTP Nodes for Transcription\n\n- **Purpose:** Prepares credentials and transcribes audio using OpenAI Whisper via Groq API. \n\n### Set Node\n- Contains fields for your credentials: \n - `Groq_API` → Enter your **Groq API key** (can be created for free at [Groq Console](https://console.groq.com/keys)). \n - `Telegram_access_token` → Enter your **Telegram bot token**. \n- Both fields are **mandatory** for this automation to work. \n- Ensures downstream nodes have the necessary authentication to access Telegram and Groq API.\n\n### HTTP Node\n- Sends the audio file to the **Groq API** for transcription using the OpenAI Whisper model. \n- Uses credentials set in the Set node (`Groq_API`) for authorization. \n- Outputs the transcribed text for further processing in the workflow. \n\n> ⚠️ **Important:** Without entering the Telegram access token and the Groq API key in the Set node, the workflow will **not function**."
},
"typeVersion": 1
},
{
"id": "1dc3c2c2-fdff-4454-9b9c-eedfcda542bf",
"name": "Nota Adhesiva4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1408,
-256
],
"parameters": {
"color": 5,
"width": 448,
"height": 496,
"content": "# Telegram Reply Option & Switch\n\n- Lets user choose how to receive the transcription: \n - As a **Telegram message** \n - As a **.txt file** \n- Switch node routes workflow into two branches based on the selected option."
},
"typeVersion": 1
},
{
"id": "26477433-02a0-4651-98b6-c1f96a522889",
"name": "Nota Adhesiva5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1952,
-480
],
"parameters": {
"color": 5,
"width": 320,
"height": 448,
"content": "# Telegram Send Message\n\n- Sends the transcribed text directly to the user as a Telegram message. \n- Triggered when the user chooses the **message** option in the previous switch node."
},
"typeVersion": 1
},
{
"id": "2e97dee2-0493-4be7-af26-aacf5dd50418",
"name": "Nota Adhesiva6",
"type": "n8n-nodes-base.stickyNote",
"position": [
2128,
16
],
"parameters": {
"color": 5,
"width": 736,
"height": 448,
"content": "# Set, Convert & Send Transcript as File\n\n- **Set Node:** Stores the transcribed text in a field. \n- **Convert to File Node:** Converts the text field into a `.txt` file. \n- **Telegram Send Document Node:** Sends the `.txt` file to the user. \n- Triggered when the user chooses the **.txt file** option in the switch node."
},
"typeVersion": 1
},
{
"id": "897b05e5-b03c-43e7-a4d5-4a8fe3418517",
"name": "Nota Adhesiva7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1776,
-320
],
"parameters": {
"color": 3,
"width": 704,
"height": 736,
"content": "# Description\nTranscribe Telegram voice/audio to text using Groq's OpenAI-compatible Whisper endpoint, then return the transcript either as a Telegram message or as a `.txt` file.\n\n## How it works (brief)\n1. **Telegram Trigger** — receives incoming message. \n2. **Switch (Audio/Voice)** — if `voice` or `audio` → set `file_id`; else send \"Wrong file type\" and stop. \n3. **Telegram Download** — download audio using `file_id`, output **file path/binary**. \n4. **Set Node (credentials)** — **must** set `Groq_API` and `Telegram_access_token` fields for the workflow to work. \n5. **HTTP Node → Groq (Whisper)** — POST audio (multipart) to Groq’s transcription endpoint; get text. \n6. **Reply Switch** — choose **message** or **.txt file**. \n - **Message branch:** Telegram Send Message → sends transcript text. \n - **File branch:** Set transcript → Convert to `.txt` → Telegram Send Document → sends file.\n\n## Requirements\n- n8n instance with internet access \n- Telegram bot token (BotFather) \n- Groq API key (https://console.groq.com/keys) \n\n## Notes / Security\n- Enter `Groq_API` and `Telegram_access_token` in the **Set** node (or n8n Credentials). \n- Do **not** hardcode keys in public nodes. \n- Workflow stops after sending \"Wrong file type\" when incoming message is not audio/voice."
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "8f44217a-1e75-4f99-b539-164737cf6451",
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}Preguntas frecuentes
¿Cómo usar este flujo de trabajo?
Copie el código de configuración JSON de arriba, cree un nuevo flujo de trabajo en su instancia de n8n y seleccione "Importar desde JSON", pegue la configuración y luego modifique la configuración de credenciales según sea necesario.
¿En qué escenarios es adecuado este flujo de trabajo?
Avanzado - Extracción de documentos, IA Multimodal
¿Es de pago?
Este flujo de trabajo es completamente gratuito, puede importarlo y usarlo directamente. Sin embargo, tenga en cuenta que los servicios de terceros utilizados en el flujo de trabajo (como la API de OpenAI) pueden requerir un pago por su cuenta.
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If
Set
Code
+
If
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38 NodosMuhammad Farooq Iqbal
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Gestor inteligente de archivos de Telegram (integración de Drive + OCR)
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Información del flujo de trabajo
Nivel de dificultad
Avanzado
Número de nodos22
Categoría2
Tipos de nodos8
Descripción de la dificultad
Autor
Abhiman
@abhimangsAutomation consultant helping creators and small teams streamline their workflows using Notion and n8n. I build systems that save time, boost productivity, and keep everything running smoothly. Check my LinkedIn to connect or collaborate on custom automations.
Enlaces externos
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