{"product_id":"n8n-webhook-text-to-speech-generate-audio-with-openai","title":"n8n Webhook Text to Speech: Generate Audio with OpenAI","description":"\u003ch3\u003eTurn Webhook Text Into Speech—Instantly\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow listens for text via a webhook, uses the OpenAI API to generate audio (text-to-speech), and returns the generated speech back through the webhook response—so you can automate voice output with minimal manual effort.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a text input via a webhook\u003c\/strong\u003e when an external system sends a request to your n8n endpoint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConverts the received text to audio using OpenAI\u003c\/strong\u003e, using your configured OpenAI credentials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSends the generated speech back\u003c\/strong\u003e by using a \u003cem\u003erespond to webhook\u003c\/em\u003e node, returning the audio as the webhook response.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer support automation:\u003c\/strong\u003e Convert incoming message text into spoken audio for agents or automated announcements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContent creation:\u003c\/strong\u003e Turn scripts or captions into voice audio on demand from any system that can call a webhook.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeveloper tooling:\u003c\/strong\u003e Build a simple text-to-speech API experience for your app by wiring requests to n8n.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrigger:\u003c\/strong\u003e \u003ccode\u003ewebhook\u003c\/code\u003e (receives text input)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpenAI processing:\u003c\/strong\u003e \u003ccode\u003en8n-nodes-langchain-openai\u003c\/code\u003e (OpenAI API for text-to-speech generation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse handling:\u003c\/strong\u003e \u003ccode\u003erespond to webhook\u003c\/code\u003e (returns the generated audio through the webhook response)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e a \u003ccode\u003esticky note\u003c\/code\u003e for workflow guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSetup (quick steps)\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eGet your \u003cstrong\u003eOpenAI API key\u003c\/strong\u003e from OpenAI.\u003c\/li\u003e\n  \u003cli\u003eSet up the \u003cstrong\u003ewebhook URL and parameters\u003c\/strong\u003e for the incoming text request.\u003c\/li\u003e\n  \u003cli\u003eConfigure the OpenAI node using \u003cstrong\u003eCreate New Credentials\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eEnsure the \u003cstrong\u003e\u003cem\u003erespond to webhook\u003c\/em\u003e\u003c\/strong\u003e node is set to return the generated speech.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003ePerfect for n8n users, automation engineers, and SaaS operators who need reliable webhook-based \u003cstrong\u003etext-to-speech automation with OpenAI\u003c\/strong\u003e.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45726245421235,"sku":"N8N-2386","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/1ANOT76npcHbPZIUJATB__E7ybmt3y.png?v=1785057334","url":"https:\/\/buyflowscripts.com\/products\/n8n-webhook-text-to-speech-generate-audio-with-openai","provider":"N8N Commerce","version":"1.0","type":"link"}