KI-Sprachchat mit OpenAI, Gemini und ElevenLabs

* ### For the Text-to-Speech part, we'll use ElevenLabs.io, which is free and offers a variety of voices to choose from. However, you can also use the OpenAI "Generate audio" node instead. * ### Since there is no pre-built node for "ElevenLabs" in n8n, we'll connect to it through its API using the "HTTP Request" node. ## Prerequisites: * ### "ElevenLabs API Key" (you can obtain it from their website). * ### "Voice ID" (you can also get it from ElevenLabs' "Voice Library"). ## Setup * ### In the URL parameter, replace "{{voice id}}" at the end of the URL with the Voice ID you obtained from ElevenLabs.io. * ### To set up your API Key, add custom authentication and include the following JSON with your acual ElevenLabs API Key: json { "headers": { "xi-api-key": "put-your-API-Key-here" } }