Heidi
Heidi
Heidi is an AI voice by Inworld — warm, engaging german female voice, ideal for business, e-learning, and narration. Available in German. Access Heidi through the Inworld TTS API with OpenAI SDK compatibility.
Languages
🇩🇪German
Generate speech with this voice
curl --location 'https://api.inworld.ai/tts/v1/tts' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--output speech.mp3 \
--data '{
"text": "Hello, welcome to Inworld!",
"voiceId": "Heidi",
"modelId": "v3"
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Start building with Heidi
Access Heidi and every other voice through the Realtime TTS API. Create your free account and start generating speech in minutes.