{"name": "AWS Polly Text-to-Speech Demo", "version": "1.0.0", "endpoints": {"health": "GET /health", "synthesize": "POST /synthesize"}, "default_voice_id": "Lupe", "allowed_voices": ["Andres", "Lupe", "Mia", "Miguel", "Pedro", "Penelope"], "allowed_engines": ["Generative", "Long-form", "Neural", "Standard"], "allowed_output_formats": ["json", "mp3", "ogg_vorbis", "pcm"], "allowed_language_codes": ["es-419", "es-MX", "es-US"], "allowed_speech_mark_types": ["sentence", "ssml", "viseme", "word"], "region": "us-east-1"}