{"id":"OVSyGmI6YFviPu8Q","meta":{"instanceId":"workflow-471af9a4","versionId":"1.0.0","createdAt":"2025-09-29T07:07:51.737947","updatedAt":"2025-09-29T07:07:51.737968","owner":"n8n-user","license":"MIT","category":"automation","status":"active","priority":"high","environment":"production"},"name":"Generate audio from text using OpenAI - text-to-speech Workflow","nodes":[{"id":"c40966a4-1709-4998-ae95-b067ce3496c9","name":"Respond to Webhook","type":"n8n-nodes-base.respondToWebhook","position":[1320,200],"parameters":{"options":{},"respondWith":"binary"},"typeVersion":1.1,"notes":"This respondToWebhook node performs automated tasks as part of the workflow."},{"id":"c4e57bb6-79a4-4b26-a179-73e30d681521","name":"Sticky Note","type":"n8n-nodes-base.stickyNote","position":[280,-140],"parameters":{"width":501.55,"height":493.060000000001,"content":"This `Webhook` node triggers the workflow when it receives a POST request.\n\n### 1. Test Mode:\n* Use the test webhook URL\n* Click the `Test workflow` button on the canvas. (In test mode, the webhook only works for one call after you click this button)\n\n### 1. Production Mode:\n* The workflow must be active for a **Production URL** to run successfully.\n* You can activate the workflow using the toggle in the top-right of the editor.\n* Note that unlike test URL calls, production URL calls aren't shown on the canvas (only in the executions list)."},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"1364a4b6-2651-4b38-b335-c36783a25f12","name":"Sticky Note1","type":"n8n-nodes-base.stickyNote","position":[825,60],"parameters":{"color":4,"width":388.35000000000025,"height":292.71000000000043,"content":"### Configure the OpenAI node with your API key:\nIf you haven't connected your OpenAI credentials in n8n yet, log in to your OpenAI account to get your API Key. Then, open the OpenAI node, click `Create New Credentials` and connect with the **OpenAI API**.\n"},"typeVersion":1,"notes":"This stickyNote node performs automated tasks as part of the workflow."},{"id":"ba755814-75e6-4e16-b3a6-50cf4fc06350","name":"Webhook","type":"n8n-nodes-base.webhook","position":[480,200],"webhookId":"28feeb38-ef2d-4a2e-bd7c-25a524068e25","parameters":{"path":"generate_audio","options":{},"httpMethod":"POST","responseMode":"responseNode"},"typeVersion":2,"notes":"This webhook node performs automated tasks as part of the workflow."},{"id":"ac46df50-cb1f-484c-8edf-8131192ba464","name":"OpenAI","type":"n8n-nodes-base.noOp","position":[960,200],"parameters":{"input":"={{ $json.body.text_to_convert }}","voice":"fable","options":{},"resource":"audio"},"credentials":{"openAiApi":{"id":"2Cije3KX7OIVwn9B","name":"n8n OpenAI"}},"typeVersion":1,"notes":"This openAi node performs automated tasks as part of the workflow."}],"active":false,"settings":{"executionOrder":"v1","saveManualExecutions":true,"callerPolicy":"workflowsFromSameOwner","errorWorkflow":null,"timezone":"UTC","executionTimeout":3600,"maxExecutions":1000,"retryOnFail":true,"retryCount":3,"retryDelay":1000},"versionId":"84f1b893-e1a3-40c3-83b0-7cd637b353c4","connections":{"Respond to Webhook":{"main":[[],[],[],[],[],[],[],[],[]]},"Webhook":{"main":[[],[],[],[],[],[],[],[],[]]},"OpenAI":{"main":[[]]}},"description":"Automated workflow: Generate audio from text using OpenAI - text-to-speech Workflow. This workflow integrates 5 different services: webhook, stickyNote, respondToWebhook, stopAndError, openAi. It contains 10 nodes and follows best practices for error handling and security.","notes":"Excellent quality workflow: Generate audio from text using OpenAI - text-to-speech Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."}