Zain Khan This workflow corresponds to n8n.io template #17152 — we link there as the canonical source.
This workflow follows the Google Drive → Google Sheets recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"meta": {
"templateCredsSetupCompleted": true
},
"nodes": [
{
"id": "ed29ce66-4591-42dd-bf0e-f53a765d65a1",
"name": "Webhook - Trigger",
"type": "n8n-nodes-base.webhook",
"position": [
2208,
784
],
"parameters": {
"path": "voice-clone",
"options": {},
"httpMethod": "POST",
"responseMode": "lastNode"
},
"typeVersion": 1
},
{
"id": "b8e9120a-782b-4700-833f-74347ecde3a0",
"name": "Set - Clean Fields",
"type": "n8n-nodes-base.set",
"position": [
2416,
784
],
"parameters": {
"options": {}
},
"typeVersion": 3
},
{
"id": "955c3dfb-bd9f-4b8a-aebd-d51b6c6522b9",
"name": "HTTP Request - Download Voice Sample",
"type": "n8n-nodes-base.httpRequest",
"position": [
2624,
784
],
"parameters": {
"url": "={{ $json.body.audio_url }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"typeVersion": 4.2
},
{
"id": "b0b7d69e-5824-43e8-96ee-643b94d5f585",
"name": "Code - Extract Voice ID",
"type": "n8n-nodes-base.code",
"position": [
3168,
784
],
"parameters": {
"jsCode": "const response = $input.first().json;\n\nconst voiceId = response.data?.voiceId || null;\n\nif (!voiceId) {\n throw new Error('Voice clone failed \u2014 no voiceId returned: ' + JSON.stringify(response));\n}\n\nreturn [{\n json: {\n voice_id: voiceId,\n voice_name: $('Set - Clean Fields').first().json.voice_name,\n script_text: $('Set - Clean Fields').first().json.script_text,\n cloned_at: $now.toISO()\n }\n}];"
},
"typeVersion": 2
},
{
"id": "591e033d-2ccf-461d-bde3-1f24bffd3083",
"name": "Code - Truncate Script",
"type": "n8n-nodes-base.code",
"position": [
3392,
784
],
"parameters": {
"jsCode": "const text = $input.first().json.script_text || '';\nconst MAX_CHARS = 3500;\nconst truncated = text.length > MAX_CHARS\n ? text.substring(0, MAX_CHARS).replace(/\\s+\\S*$/, '') + '...'\n : text;\nreturn [{\n json: {\n ...($input.first().json),\n tts_text: truncated\n }\n}];"
},
"typeVersion": 2
},
{
"id": "6bf23a11-e9f8-4edc-8d18-ae16142f7551",
"name": "Smallest AI - Synthesize with Cloned Voice",
"type": "n8n-nodes-smallestai.smallestai",
"position": [
3680,
784
],
"parameters": {
"text": "={{ $('Set - Clean Fields').item.json.body.script }}",
"voiceId": "={{ $json.voice_id }}",
"additionalOptions": {
"language": "en"
}
},
"credentials": {},
"typeVersion": 1
},
{
"id": "1da66554-3229-4a9f-afed-ecb54f9c5413",
"name": "Google Drive - Upload Voiceover",
"type": "n8n-nodes-base.googleDrive",
"position": [
3904,
784
],
"parameters": {
"name": "={{ $('Set - Clean Fields').item.json.body.voice_name }}_voiceover_{{ $now.toFormat('yyyy-MM-dd') }}.mp3",
"driveId": {
"__rl": true,
"mode": "list",
"value": "My Drive"
},
"options": {},
"folderId": {
"__rl": true,
"mode": "list",
"value": "root"
}
},
"typeVersion": 3
},
{
"id": "a252b12e-0db4-423f-a224-196b82c2c5c3",
"name": "Google Drive - Make Public",
"type": "n8n-nodes-base.googleDrive",
"position": [
4112,
784
],
"parameters": {
"fileId": {
"__rl": true,
"mode": "id",
"value": "={{ $json.id }}"
},
"options": {},
"operation": "share",
"permissionsUi": {
"permissionsValues": {
"role": "reader",
"type": "anyone"
}
}
},
"typeVersion": 3
},
{
"id": "223170ae-6006-44f9-ac63-e8c993a98b36",
"name": "Google Sheets - Log Voice Library",
"type": "n8n-nodes-base.googleSheets",
"position": [
4320,
784
],
"parameters": {
"columns": {
"value": {
"voice id": "={{ $('Get cloned voice id').item.json.data.voiceId }}",
"voice name ": "={{ $('Set - Clean Fields').item.json.body.voice_name }}"
},
"schema": [
{
"id": "voice id",
"type": "string",
"display": true,
"required": false,
"displayName": "voice id",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "voice name ",
"type": "string",
"display": true,
"required": false,
"displayName": "voice name ",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1WEYzD9hoJ8Kqp5TkMvTAsLeKeiLjp68pDLv8yzil4wQ/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1WEYzD9hoJ8Kqp5TkMvTAsLeKeiLjp68pDLv8yzil4wQ",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1WEYzD9hoJ8Kqp5TkMvTAsLeKeiLjp68pDLv8yzil4wQ/edit?usp=drivesdk",
"cachedResultName": "voice clonned ids"
}
},
"typeVersion": 4
},
{
"id": "02ef225b-be25-4485-b589-267dcc3ffaa9",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
4528,
784
],
"parameters": {
"options": {},
"respondWith": "json",
"responseBody": "={\n \"success\": true,\n \"voice_id\": \"{{ $('Code - Extract Voice ID').first().json.voice_id }}\",\n \"voice_name\": \"{{ $('Set - Clean Fields').item.json.body.voice_name }}\",\n \"audio_link\": \"{{ $('Google Drive - Upload Voiceover').item.json.webViewLink }}\",\n \"cloned_at\": \"{{ $('Code - Extract Voice ID').first().json.cloned_at }}\"\n}"
},
"typeVersion": 1
},
{
"id": "27162556-a99e-4536-a72e-6351687d9507",
"name": "Get cloned voice id",
"type": "n8n-nodes-base.httpRequest",
"position": [
2944,
784
],
"parameters": {
"url": "https://api.smallest.ai/waves/v1/voice-cloning",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "displayName",
"value": "={{ $json.body.voice_name }}"
},
{
"name": "language",
"value": "en"
},
{
"name": "accent",
"value": "general"
},
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer YOUR_TOKEN_HERE"
}
]
}
},
"typeVersion": 4.4
},
{
"id": "77fa3ca0-ad7e-483a-b7fd-9c38ce72244c",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
1296,
512
],
"parameters": {
"width": 816,
"height": 624,
"content": "## Brand Voice Clone to Reusable Voiceovers\n\n### How it works\nThis workflow builds an automated, on-demand custom voice generation engine. When an external application triggers the workflow via a webhook with an audio sample URL and script text, the system downloads the raw sample file and securely registers a brand-new cloned voice layout inside. It extracts the unique voice ID, instantly runs a dynamic text-to-speech script compilation matching that exact cloned voice model, and saves the output into Google Drive. The public link is then cataloged inside a master Google Sheets database for instant recall across marketing or support platforms.\n\n### Setup steps\n* Deploy the workflow to generate your live webhook\n* Connect your credentials to handle both voice registration and speech synthesis.\n* Link your target **Google Drive** and **Google Sheets** accounts to host and log your reusable assets.\n* Ensure incoming payloads provide an file path and a text string parameter.\n\n### Customization\nYou can modify the spreadsheet logging structure to add metadata properties like project names or intent tags. You can also adapt the conditional flow steps to check if a voice ID already exists for a client name before registering a completely new clone profile."
},
"typeVersion": 1
},
{
"id": "df4dbb22-3815-4a1a-be42-6741f9b09288",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
2128,
624
],
"parameters": {
"color": 7,
"width": 704,
"height": 400,
"content": "## Webhook Ingestion & Sample Download\n"
},
"typeVersion": 1
},
{
"id": "744ca954-439f-4375-ab1a-f823851b8277",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
2848,
624
],
"parameters": {
"color": 7,
"width": 720,
"height": 400,
"content": "## Voice Cloning & Extraction\n"
},
"typeVersion": 1
},
{
"id": "a1a11ee5-b046-4270-9116-bdcfab34946f",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
3584,
624
],
"parameters": {
"color": 7,
"width": 1152,
"height": 400,
"content": "## Synthesis, Cloud Storage & Database Log\n\n"
},
"typeVersion": 1
}
],
"connections": {
"Webhook - Trigger": {
"main": [
[
{
"node": "Set - Clean Fields",
"type": "main",
"index": 0
}
]
]
},
"Set - Clean Fields": {
"main": [
[
{
"node": "HTTP Request - Download Voice Sample",
"type": "main",
"index": 0
}
]
]
},
"Get cloned voice id": {
"main": [
[
{
"node": "Code - Extract Voice ID",
"type": "main",
"index": 0
}
]
]
},
"Code - Truncate Script": {
"main": [
[
{
"node": "Smallest AI - Synthesize with Cloned Voice",
"type": "main",
"index": 0
}
]
]
},
"Code - Extract Voice ID": {
"main": [
[
{
"node": "Code - Truncate Script",
"type": "main",
"index": 0
}
]
]
},
"Google Drive - Make Public": {
"main": [
[
{
"node": "Google Sheets - Log Voice Library",
"type": "main",
"index": 0
}
]
]
},
"Google Drive - Upload Voiceover": {
"main": [
[
{
"node": "Google Drive - Make Public",
"type": "main",
"index": 0
}
]
]
},
"Google Sheets - Log Voice Library": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"HTTP Request - Download Voice Sample": {
"main": [
[
{
"node": "Get cloned voice id",
"type": "main",
"index": 0
}
]
]
},
"Smallest AI - Synthesize with Cloned Voice": {
"main": [
[
{
"node": "Google Drive - Upload Voiceover",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
This workflow receives a webhook request with an audio sample URL, voice name, and script, clones a voice and generates a matching voiceover using Smallest AI, uploads the MP3 to Google Drive, logs the voice ID in Google Sheets, and returns a public link in the webhook response.…
Source: https://n8n.io/workflows/17152/ — original creator credit. Request a take-down →
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