{"service":"Vapi TTS Service","version":"1.0.0","description":"Custom TTS webhook for Vapi voice assistants","endpoints":{"webhook":"POST /api/vapi/tts-webhook","health":"GET /api/vapi/health","config":"GET /api/vapi/config","docs":"GET /docs"},"features":["20+ TTS models via TTS-WebUI","Real-time PCM audio conversion","Rate limiting per user/organization","Automatic fallback providers","Health monitoring and statistics"]}