{"uid":"cap_dHoU2sTSeP9ICSxsEWmMo","slug":"fish-audio-speech-synthesis-99da73c3","name":"Fish Audio Speech Synthesis","description":"Generate speech/audio bytes (one-shot charge; character or bounded audio pricing; models, prices and voices at GET /v1/audio/models)","url":"https://fish-audio.mpp.tempo.xyz/v1/audio/speech?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["ai"],"displayCostAmount":"unknown","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"unknown_unparsed","priceSource":"registry","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":"unknown","summary":"price unknown","primary":{"kind":"unknown","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"unknown","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_nwxMVjdini3yP_s-PJZWM","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"unknown","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"Fish Audio","brandSlug":"fish-audio-mpp","brandBaseUrl":"https://openrouter.ai","brandDocsUrl":"https://openrouter.ai","whatItDoes":"Converts text to speech audio bytes using Fish Audio voice models, billed per character or audio unit via one-shot USDC payment","exampleAgentPrompt":"Can you synthesize this paragraph into spoken audio using Fish Audio — use the default voice model and convert this text: 'Welcome to our platform. We are excited to have you here.'","exampleUseCases":[{"title":"Podcast intro narration generation","prompt":"Turn this podcast intro script into a realistic spoken voiceover using Fish Audio: 'Welcome to The Future Forward podcast, where we explore the latest in tech and innovation. I'm your host, Alex.'"},{"title":"E-learning course audio narration","prompt":"Generate audio narration for my e-learning slide — synthesize this into speech with Fish Audio: 'In this module, you will learn the fundamentals of machine learning and how neural networks are trained.'"},{"title":"Accessibility audio for web content","prompt":"Convert this article summary into audio for my accessibility feature using Fish Audio speech synthesis: 'Scientists have discovered a new exoplanet orbiting a nearby star, raising hopes for signs of life beyond our solar system.'"}],"resultDescription":"Returns raw audio bytes representing the synthesized speech of the provided text, in the audio format produced by the selected Fish Audio voice model. The agent receives binary audio data ready for playback, storage, or further processing.","failureModes":["Invalid or unsupported voice model ID returns an error","Text input too long for the selected model's character limit","Insufficient USDC balance for the one-shot payment charge","Malformed request body missing required text or model fields","Unsupported audio output format requested","Rate limiting if too many requests are made in quick succession"],"whenToPreferThis":"Choose this endpoint when you need high-quality AI-generated speech audio from Fish Audio's voice models, especially when operating in a crypto-native or agent payment environment that supports x402 one-shot USDC billing. It is ideal for agents that need to produce voiceovers, narrations, or spoken content on demand without managing a long-term subscription, and when you want access to Fish Audio's specific voice catalog and pricing transparency via the companion /v1/audio/models endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:32:29.004Z","isFirstParty":false,"canonicalSlug":"fish-audio-speech-synthesis-99da73c3"}