{"uid":"cap_Mfi_BC2wRN7ulT6u6-I0g","slug":"x402-deployer-x402-deployer-workers-dev-fc4ca503","name":"Venice TTS Voice Synthesis","description":"Text-to-speech / TTS / voice synthesis. Venice TTS (Kokoro/xAI/ElevenLabs/Orpheus/MiniMax). 30+ voices, MP3/WAV/OPUS/AAC/FLAC.","url":"https://x402-deployer.x402-deployer.workers.dev/voice?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["text"],"properties":{"text":{"type":"string","description":"Text to synthesize into speech. Max 4000 chars."},"model":{"type":"string","description":"TTS model id. Optional, default 'tts-kokoro'."},"speed":{"type":"number","description":"Playback speed multiplier. Optional, 0.25-4, default 1."},"voice":{"type":"string","description":"Voice id, e.g. 'af_sky'. Optional, default 'af_sky'."},"format":{"type":"string","description":"Output audio format: mp3, wav, opus, aac, or flac. Optional, default mp3."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"audio_url":{"type":"string"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"body":{"text":"Welcome to our weekly newsletter. This week we cover the latest breakthroughs in renewable energy.","model":"tts-kokoro","speed":1,"voice":"af_bella","format":"mp3"},"type":"http","method":"POST","bodyType":"json"}},"response":{"model":"tts-kokoro","speed":1,"voice":"af_bella","format":"mp3","audio_url":"https://v3b.fal.media/files/b/0a9ebf80/40ONd6LzPt_sJkM-YOME4_tts.mp3","input_chars":98,"content_type":"audio/mpeg","file_size_bytes":27309}},"exampleRequest":{"text":"Welcome to our weekly newsletter. This week we cover the latest breakthroughs in renewable energy.","model":"tts-kokoro","speed":1,"voice":"af_bella","format":"mp3"},"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.83","successRate":"0.33","reviews":1,"stars":"4.3","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_co2eNscjuwQJp1RsqcPfE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text to speech audio using multiple TTS providers (Kokoro, ElevenLabs, Orpheus, MiniMax) with 30+ voices and multiple output formats.","exampleAgentPrompt":"Can you read this aloud for me using a warm female voice and give me an MP3: 'Welcome to our weekly newsletter. This week we cover the latest breakthroughs in renewable energy.'","exampleUseCases":null,"resultDescription":"Returns a synthesized audio file in the requested format (MP3, WAV, OPUS, AAC, or FLAC) containing the spoken version of the input text, rendered by the selected voice and TTS provider.","failureModes":["Unsupported voice name returns an error or falls back to default","Invalid output format returns a 400 error","Text too long may be truncated or rejected","Provider-specific outages may cause synthesis failure","Missing payment header results in 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need high-quality TTS with broad voice selection (30+ voices) and multiple providers including Kokoro, ElevenLabs, Orpheus, and MiniMax, and you want flexible audio output formats. Ideal for AI agents building audio content, narrating articles, or producing voice responses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":4,"lastUsedAt":"2026-07-16T00:36:28.084Z","lastSuccessfullyRanAt":"2026-06-30T12:22:37.881Z","lastHealthCheckAt":"2026-10-09T18:55:03.974Z","isFirstParty":false,"canonicalSlug":"x402-deployer-x402-deployer-workers-dev-fc4ca503"}