{"uid":"cap_alSgJqkLN4_80QETpJfNW","slug":"elevenlabs-speech-generation-via-openrouter-2bed1774","name":"ElevenLabs Speech Generation via OpenRouter","description":"Generate speech/audio bytes (one-shot charge; character or bounded audio pricing; models, prices and voices at GET /v1/audio/models)","url":"https://elevenlabs.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":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.92","successRate":"0.99","reviews":1,"stars":"4.7","state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"0.3984","medianCents":"22.5792","p90Cents":"26.5518","minCents":"0.3984","maxCents":"26.5518","p95Cents":"26.5518","sampleCount":144,"varies":true,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"unknown","summary":"$0–$0.27/call (observed)","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_xjel6Cu5geGnEXQ9HLh92","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"unknown","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"ElevenLabs","brandSlug":"elevenlabs-mpp","brandBaseUrl":"https://openrouter.ai","brandDocsUrl":"https://openrouter.ai","whatItDoes":"Converts text to speech audio bytes using ElevenLabs voices, billed per character or audio unit via one-shot USDC payment","exampleAgentPrompt":"Use ElevenLabs to generate a spoken audio clip of the following text in a natural, conversational voice: 'Welcome to our product launch event — we're thrilled to have you here today.'","exampleUseCases":[{"title":"Voiceover for marketing video","prompt":"Generate a professional voiceover for my product ad script using a warm, confident male voice: 'Introducing FlowDesk — the workspace that adapts to you. Try it free for 30 days.'"},{"title":"Audiobook narration excerpt","prompt":"Turn this chapter excerpt into spoken audio using a clear, engaging narrator voice: 'The lighthouse had stood for two hundred years, its beam sweeping the fog like a slow, tired hand.'"},{"title":"Podcast intro jingle narration","prompt":"Synthesize the spoken intro for my podcast using an energetic voice: 'You're listening to The Founder Hour — real stories from the people building tomorrow.'"}],"resultDescription":"Returns raw audio bytes (e.g. MP3 or PCM audio) of the synthesized speech, ready for playback or storage. The audio is generated by ElevenLabs models and priced per character or bounded audio unit, with available models and voices discoverable via the companion GET /v1/audio/models endpoint.","failureModes":["Invalid or unsupported voice ID returns an error","Text input too long or exceeds model limits causes rejection","Unsupported output audio format requested","Payment failure or insufficient USDC balance blocks the request","Unknown or deprecated model ID results in a 404 or bad request error","Empty text input returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need high-quality, natural-sounding text-to-speech synthesis powered by ElevenLabs' voice models, with one-shot USDC payment via OpenRouter. Ideal for agents that need to generate audio dynamically without managing API keys or subscriptions. Prefer this over generic TTS services when voice quality, expressiveness, and ElevenLabs' specific voice library matter. Best for on-demand narration, voiceovers, and spoken content generation tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":145,"lastUsedAt":"2026-10-22T13:26:35.270Z","lastSuccessfullyRanAt":"2026-10-22T13:26:35.270Z","lastHealthCheckAt":"2026-10-29T10:35:00.237Z","isFirstParty":false,"canonicalSlug":"elevenlabs-speech-generation-via-openrouter-2bed1774"}