{"name":"voice","description":"Turn written text into spoken audio you can drop straight into a player or app. Send text (up to 4,000 characters) with an optional voice, model, speed, and output format of mp3, wav, opus, aac, or flac, and get back a hosted audio_url plus file size and content type, no base64 handling required. Runs on Venice's text-to-speech models with 30+ selectable voices and adjustable playback speed from 0.25x to 4x. Use it as a text-to-speech API, voice synthesis tool, or narration generator for voiceovers, IVR prompts, or accessibility read-aloud features.","price":"$0.05","method":"POST","input_schema":{"properties":{"text":{"type":"string","description":"Text to synthesize into speech. Max 4000 chars."},"voice":{"type":"string","description":"Voice id, e.g. 'af_sky'. Optional, default 'af_sky'."},"model":{"type":"string","description":"TTS model id. Optional, default 'tts-kokoro'."},"speed":{"type":"number","description":"Playback speed multiplier. Optional, 0.25-4, default 1."},"format":{"type":"string","description":"Output audio format: mp3, wav, opus, aac, or flac. Optional, default mp3."}},"required":["text"]},"input_example":{"text":"Hello there.","voice":"af_sky"},"output_example":{"audio_url":"https://...mp3"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}