{
"id": "6Yzmlp5xF6oHo1VW",
"meta": {
"instanceId": "173f55e6572798fa42ea9c5c92623a3c3308080d3fcd2bd784d26d855b1ce820"
},
"name": "Text to Speech (OpenAI)",
"tags": [],
"nodes": [
{
"id": "938fedbd-e34c-40af-af2f-b9c669e1a6e9",
"name": "When clicking \"Test workflow\"",
"type": "n8n-nodes-base.manualTrigger",
"position": [
380,
380
],
"parameters": {},
"typeVersion": 1
},
{
"id": "1d59db5d-8fe6-4292-a221-a0d0194c6e0c",
"name": "Set input text and TTS voice",
"type": "n8n-nodes-base.set",
"position": [
760,
380
],
"parameters": {
"mode": "raw",
"options": {},
"jsonOutput": "{\n \"input_text\": \"The quick brown fox jumped over the lazy dog.\",\n \"voice\": \"alloy\"\n}\n"
},
"typeVersion": 3.2
},
{
"id": "9d54de1d-59b7-4c1f-9e88-13572da5292c",
"name": "Send HTTP Request to OpenAI's TTS Endpoint",
"type": "n8n-nodes-base.httpRequest",
"position": [
1120,
380
],
"parameters": {
"url": "https://api.openai.com/v1/audio/speech",
"method": "POST",
"options": {},
"sendBody": true,
"sendHeaders": true,
"authentication": "predefinedCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "model",
"value": "tts-1"
},
{
"name": "input",
"value": "={{ $json.input_text }}"
},
{
"name": "voice",
"value": "={{ $json.voice }}"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "Authorization",
"value": "Bearer $OPENAI_API_KEY"
}
]
},
"nodeCredentialType": "openAiApi"
},
"credentials": {
"openAiApi": {
"id": "VokTSv2Eg5m5aDg7",
"name": "OpenAi account"
}
},
"typeVersion": 4.1
},
{
"id": "1ce72c9c-aa6f-4a18-9d5a-3971686a51ec",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
280,
256
],
"parameters": {
"width": 273,
"height": 339,
"content": "## Workflow Trigger\nYou can replace this manual trigger with another trigger type as required by your use case."
},
"typeVersion": 1
},
{
"id": "eb487535-5f36-465e-aeee-e9ff62373e53",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
660,
257
],
"parameters": {
"width": 273,
"height": 335,
"content": "## Manually Set OpenAI TTS Configuration\n"
},
"typeVersion": 1
},
{
"id": "36b380bd-0703-4b60-83cb-c4ad9265864d",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
1020,
260
],
"parameters": {
"width": 302,
"height": 335,
"content": "## Send Request to OpenAI TTS API\n"
},
"typeVersion": 1
},
{
"id": "ff35ff28-62b5-49c8-a657-795aa916b524",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
660,
620
],
"parameters": {
"color": 4,
"width": 273,
"height": 278,
"content": "### Configuration Options\n- \"input_text\" is the text you would like to be turned into speech, and can be replaced with a programmatic value for your use case. Bear in mind that the maximum number of tokens per API call is 4,000.\n\n- \"voice\" is the voice used by the TTS model. The default is alloy, other options can be found here: [OpenAI TTS Docs](https://platform.openai.com/docs/guides/text-to-speech)"
},
"typeVersion": 1
},
{
"id": "5f7ef80e-b5c8-41df-9411-525fafc2d910",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1020,
620
],
"parameters": {
"color": 4,
"width": 299,
"height": 278,
"content": "### Output\nThe output returned by OpenAI's TTS endpoint is a .mp3 audio file (binary).\n\n\n### Credentials\nTo use this workflow, you'll have to configure and provide a valid OpenAI credential.\n"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "19d67805-e208-4f0e-af44-c304e66e8ce8",
"connections": {
"Set input text and TTS voice": {
"main": [
[
{
"node": "Send HTTP Request to OpenAI's TTS Endpoint",
"type": "main",
"index": 0
}
]
]
},
"When clicking \"Test workflow\"": {
"main": [
[
{
"node": "Set input text and TTS voice",
"type": "main",
"index": 0
}
]
]
}
}
}