{"uid":"cap_3pL3ZoABarb-378SsdE-_","slug":"kino402-elevenlabs-tts-8a633f96","name":"kino402 ElevenLabs TTS","description":"ElevenLabs TTS: 29 characters, voice 21m00Tcm4TlvDq8ikWAM","url":"https://kino402.com/v1/audio/tts","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":{"type":"object","description":"a JSON body, up to 16 KB. The price is parametric: an unpaid POST answers 402 with the exact quote for the body you sent."},"type":{"type":"string","const":"http"},"method":{"type":"string","const":"POST"},"bodyType":{"type":"string","const":"json"}},"additionalProperties":false},"output":{"type":"object","required":["type","format"],"properties":{"type":{"type":"string","const":"text"},"format":{"type":"string","const":"audio/mpeg","description":"the spoken audio as an mp3 response body"},"example":{"description":"a sample response from the real code path"}},"additionalProperties":false}}},"responseSchema":{"type":"text","format":"audio/mpeg","example":"binary audio/mpeg response body (~1 KB per spoken word)"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RWjSl1ufatUcffGXH0hpZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text to spoken audio using ElevenLabs voice synthesis (voice ID 21m00Tcm4TlvDq8ikWAM), returning an MP3 audio file","exampleAgentPrompt":"Read this aloud and give me an MP3: 'Welcome to our platform. We're glad you're here.' Use the ElevenLabs Rachel voice.","exampleUseCases":[{"title":"Voiceover for product announcement","prompt":"Turn this product launch copy into spoken audio I can use in a video: 'Introducing the all-new Nova — built for speed, designed for you.'"},{"title":"Accessibility audio version of article","prompt":"Convert this article summary to audio so I can listen to it on my commute: 'Scientists have discovered a new reef system in the Pacific Ocean that spans over 200 miles.'"},{"title":"Podcast intro narration","prompt":"Generate a spoken intro for my podcast using ElevenLabs: 'Welcome back to The Daily Digest — your five-minute briefing on what matters today.'"}],"resultDescription":"A binary MP3 audio file (~1 KB per spoken word) containing the synthesized speech. The agent receives raw audio/mpeg bytes that can be saved, streamed, or embedded in media workflows.","failureModes":["Input text too long or exceeds body size limit (16 KB) — returns 402 or 4xx error","Malformed JSON body — returns 400 bad request","Payment not provided — returns 402 with exact price quote for the submitted body","Voice ID unavailable or ElevenLabs upstream error — returns 5xx","Empty input text — may return empty or error response"],"whenToPreferThis":"Choose this endpoint when you need ElevenLabs-quality neural TTS via a pay-per-call x402 micropayment model, without managing an ElevenLabs API key. Ideal for agents that need on-demand speech synthesis for short text snippets (the pricing is parametric and quoted per body). Prefer this over self-hosted TTS when voice quality matters and per-call costs are acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T12:03:52.020Z","isFirstParty":false}