{"uid":"cap_ScmUaylt6Cn7J89JXzryJ","slug":"nova-tts-text-to-speech-api-cf478094","name":"Nova TTS — Text-to-Speech API","description":"Pay-per-call AI inference. Chat, reason, translate, analyze, generate. USDC on Base.","url":"https://novva.orbonomy.xyz/api/tts","method":"POST","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text to convert to speech"},"voice":{"type":"string","description":"Voice name (optional)"}}},"responseSchema":{"type":"string","format":"binary"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_aDyvHOQ4AznfMs_b1_abF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text input into synthesized speech audio, returning a binary audio stream, paid per call in USDC on Base.","exampleAgentPrompt":"Can you read this text aloud using Nova's TTS API: 'Welcome to our platform. We're glad you're here.' — use the default voice.","exampleUseCases":[{"title":"Narrate blog post as audio","prompt":"Take the intro paragraph from my latest blog post and turn it into spoken audio using Nova's TTS — I want to offer an audio version for readers who prefer listening."},{"title":"Voiceover for product demo","prompt":"I've written a script for my product walkthrough video. Can you use Nova to synthesize it into a voiceover so I can drop it straight into my video editor?"},{"title":"Read notification aloud on-device","prompt":"Convert this push notification message into speech audio using Nova's TTS API so my app can play it out loud for users who have audio alerts enabled."}],"resultDescription":"A binary audio stream containing the synthesized speech corresponding to the provided text input, ready to be played back or saved as an audio file.","failureModes":["Empty or missing 'text' field returns a 400 Bad Request","Invalid voice name may cause a 400 or fall back to default voice","Payment not received or insufficient USDC balance results in 402 Payment Required","Text too long may exceed server limits, returning a 413 or 400 error","Service unavailable returns 503 with no audio output"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-subscription TTS service that settles in USDC on Base. Ideal for agents operating in crypto-native or x402 payment environments that need voice output on demand without a monthly commitment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:46:34.865Z","isFirstParty":false}