{ "generated_at": "2026-04-24T15:01:35.625676+00:00", "slug": "api-venice-ai-api-v1-audio-speech", "title": "Venice AI \u00b7 Text-to-Speech", "url": "https://api.venice.ai/api/v1/audio/speech", "category": "media", "summary": "Synthesize speech audio from text input using Venice AI's text-to-speech model with binary audio output.", "seo": { "title": "Venice AI TTS API | Uncensored Speech Synthesis x402", "description": "Generate speech audio from text via Venice AI's private, uncensored API. Binary audio output. 10 USDC per call. x402 on Base." }, "use_cases": [ "Convert text content to spoken audio for accessibility", "Generate voice content for media production", "Create audio versions of written materials" ], "ideal_buyer": "Content creators, accessibility tools, and media production pipelines needing TTS capabilities.", "example_prompt": "Generate speech audio for this text: 'Welcome to the future of AI payments.'", "risk_notes": [], "pricing_sanity": { "flag": "expensive_outlier", "ratio": 125, "median_category_atomic": 80000 }, "pricing_review_required": false, "pricing_decimal_suspect": false, "trust_tier": "indexed_external", "accepts": [ { "scheme": "exact", "network": "base", "pay_to": "0x2670b922ef37c7df47158725c0cc407b5382293f", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "max_amount_required_atomic": "10000000", "max_timeout_seconds": 300, "verified": false, "hints": { "input": { "type": "http", "method": "POST", "bodyFields": { "input": { "type": "string", "required": true, "description": "The text to generate audio for. The maximum length is 4096 characters." }, "model": { "enum": [ "tts-kokoro", "tts-qwen3-0-6b", "tts-qwen3-1-7b" ], "type": "string", "description": "The model ID of a Venice TTS model." }, "speed": { "type": "number", "description": "The speed of the generated audio. Select a value from 0.25 to 4.0. 1.0 is the default." }, "top_p": { "type": "number", "description": "Nucleus sampling parameter. Only supported by Qwen 3 TTS models. Default is 1.0." }, "voice": { "enum": [ "af_alloy", "af_aoede", "af_bella", "af_heart", "af_jadzia", "af_jessica", "af_kore", "af_nicole", "af_nova", "af_river", "af_sarah", "af_sky", "am_adam", "am_echo", "am_eric", "am_fenrir", "am_liam", "am_michael", "am_onyx", "am_puck", "am_santa", "bf_alice", "bf_emma", "bf_lily", "bm_daniel", "bm_fable", "bm_george", "bm_lewis", "zf_xiaobei", "zf_xiaoni", "zf_xiaoxiao", "zf_xiaoyi", "zm_yunjian", "zm_yunxi", "zm_yunxia", "zm_yunyang", "ff_siwis", "hf_alpha", "hf_beta", "hm_omega", "hm_psi", "if_sara", "im_nicola", "jf_alpha", "jf_gongitsune", "jf_nezumi", "jf_tebukuro", "jm_kumo", "pf_dora", "pm_alex", "pm_santa", "ef_dora", "em_alex", "em_santa", "Vivian", "Serena", "Ono_Anna", "Sohee", "Uncle_Fu", "Dylan", "Eric", "Ryan", "Aiden" ], "type": "string", "description": "The voice to use when generating the audio. Voices are model-specific: Kokoro voices (e.g. af_sky, af_bella, am_adam) work with tts-kokoro; Qwen 3 voices (e.g. Vivian, Serena, Dylan, Eric, Ryan, Aiden) work with tts-qwen3-0-6b and tts-qwen3-1-7b. Using an incompatible voice returns a 400 error." }, "prompt": { "type": "string", "description": "A style prompt to control the emotion and delivery of the speech. Only supported by Qwen 3 TTS models. Examples: \"Very happy.\", \"Sad and slow.\", \"Excited and energetic.\"" }, "language": { "enum": [ "Auto", "English", "Chinese", "Spanish", "French", "German", "Italian", "Japanese", "Korean", "Portuguese", "Russian" ], "type": "string", "description": "The language of the input text. Only supported by Qwen 3 TTS models. If not specified, the language is auto-detected." }, "streaming": { "type": "boolean", "description": "Should the content stream back sentence by sentence or be processed and returned as a complete audio file." }, "temperature": { "type": "number", "description": "Sampling temperature for speech generation. Higher values produce more varied output. Only supported by Qwen 3 TTS models. Default is 0.9." }, "response_format": { "enum": [ "mp3", "opus", "aac", "flac", "wav", "pcm" ], "type": "string", "description": "The format to audio in." } } }, "output": { "type": "string", "format": "binary" } } } ], "origin": { "slug": "api-venice-ai", "host": "api.venice.ai", "title": "Venice API Docs", "description": "Harness the full capabilities of Venice AI with the Venice API, a private and uncensored AI API enabling the development of advanced applications that generate text and images.", "url": "https://api.venice.ai", "og_image": "https://venice.ai/images/venice_social_preview.png", "favicon": "https://docs.venice.ai/mintlify-assets/_mintlify/favicons/veniceai/HJGBlV4jYrSOrFXh/_generated/favicon/favicon-16x16.png" }, "json_ld": { "@id": "https://x402all.com/resource/api-venice-ai-api-v1-audio-speech", "url": "https://x402all.com/resource/api-venice-ai-api-v1-audio-speech", "name": "Venice AI \u00b7 Text-to-Speech", "@type": "WebAPI", "offers": { "url": "https://x402all.com/resource/api-venice-ai-api-v1-audio-speech", "@type": "Offer", "price": "10", "availability": "https://schema.org/InStock", "priceCurrency": "USDC", "priceSpecification": { "@type": "UnitPriceSpecification", "price": "10.000000", "unitText": "call", "priceCurrency": "USDC" }, "eligibleCustomerType": "Agent", "additionalProperty": [ { "@type": "PropertyValue", "name": "paymentNetwork", "value": "base" }, { "@type": "PropertyValue", "name": "paymentAsset", "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" } ] }, "sameAs": "https://api.venice.ai/api/v1/audio/speech", "@context": "https://schema.org", "provider": { "@id": "https://x402all.com/server/api-venice-ai", "url": "https://api.venice.ai", "name": "Venice API Docs", "@type": "Organization" }, "identifier": "api-venice-ai-api-v1-audio-speech", "description": "Generate speech audio from text via Venice AI's private, uncensored API. Binary audio output. 10 USDC per call. x402 on Base.", "potentialAction": { "@type": "BuyAction", "target": "https://axon402.com/test-buy?resource=api-venice-ai-api-v1-audio-speech", "description": "Test-buy this endpoint on AXON" }, "applicationCategory": "media" }, "axon_deep_link": "https://axon402.com/test-buy?resource=api-venice-ai-api-v1-audio-speech" }