{"uid":"cap_mLqjnlyJ1f3wHyMFaUMYx","slug":"aispace-audio-speech-synthesis-1fcd9bc0","name":"AiSpace Audio Speech Synthesis","description":"Text-to-speech on Venice voices (Kokoro, Qwen 3, xAI, Inworld, Chatterbox, Orpheus, ElevenLabs Turbo, MiniMax, Gemini Flash), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=tts.","url":"https://x402.aispace.bot/api/v1/audio/speech?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"Text to speak."},"model":{"type":"string","description":"Venice TTS model id. See GET /api/v1/models?type=tts (e.g. tts-kokoro, tts-elevenlabs-turbo-v2-5)."},"voice":{"type":"string","description":"Voice id supported by the chosen model."},"response_format":{"enum":["mp3","opus","aac","flac","wav","pcm"],"type":"string","description":"Optional audio container (mp3|opus|aac|flac|wav|pcm). Must be in that model's model_spec.supported_formats; omit to use default_format."}}},"responseSchema":{"type":"json","example":{"note":"Response body is raw binary media, not JSON. Trust the sniffed content type over the header.","type":"binary","contentType":"audio/wav"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wZg8k08W8f6Q3aQXLvH_Z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text input to spoken audio using AiSpace's Venice.ai-powered text-to-speech API","exampleAgentPrompt":"Can you convert this paragraph into spoken audio using AiSpace: 'Welcome to our platform. We are excited to have you here and hope you enjoy your experience.'","exampleUseCases":[{"title":"Voiceover for product demo","prompt":"I need a spoken voiceover for my product demo script — can you use AiSpace to synthesize this into audio: 'Introducing SmartHome Pro, the easiest way to control your home with just your voice.'"},{"title":"Accessibility audio narration","prompt":"Please turn this article summary into speech so visually impaired users can listen to it: 'Scientists have discovered a new species of deep-sea fish off the coast of New Zealand.'"},{"title":"Podcast intro audio clip","prompt":"Generate a spoken audio clip for my podcast intro using AiSpace: 'Welcome to The Daily Digest, your five-minute briefing on the stories that matter most today.'"}],"resultDescription":"Returns a JSON response with an 'ok' boolean confirming successful speech synthesis; the actual audio data is expected to be delivered as part of the response payload or a linked resource.","failureModes":["Missing required 'input' field returns validation error","Invalid HTTP method enum value causes schema rejection","Empty or malformed text input may result in silent failure or error response","Network timeout if audio generation takes too long","Payment failure via x402 protocol if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need privacy-focused text-to-speech synthesis backed by Venice.ai, especially when data privacy is a concern since AiSpace emphasizes on-device data handling. Suitable for lightweight per-call usage at $0.001 USDC with x402 micropayment support.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:35:56.352Z","isFirstParty":false,"canonicalSlug":"aispace-audio-speech-synthesis-1fcd9bc0"}