{"uid":"cap_Ei3F49PYaRIg272e2ba9j","slug":"sift-web-tools-text-to-speech-tts-5a264406","name":"Sift Web Tools – Text-to-Speech (TTS)","description":"Text to natural speech (MP3 or WAV), 30 voices. Turns up to 1500 characters into natural speech with Google's Gemini TTS. 30 voices (e.g. Kore, Puck, Charon, Aoede). MP3 or WAV.","url":"https://sift.srv1996466.hstgr.cloud/v1/tts?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text to speak (max 1500 chars)"},"voice":{"type":"string","description":"Voice name (default Kore)"},"format":{"type":"string","description":"mp3 or wav (default mp3)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__q0Wh32XPf6k-anefQEzb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text into spoken audio (MP3 or WAV) using a selectable voice, returning audio content for playback or download.","exampleAgentPrompt":"Can you read out the following announcement as an MP3 using the Kore voice: 'Welcome to our quarterly review — please take your seats and silence your phones.'","exampleUseCases":[{"title":"Voiceover for a product announcement","prompt":"Turn this product launch blurb into a spoken MP3 using the Kore voice: 'Introducing our newest model — faster, lighter, and built for creators.'"},{"title":"Accessible audio version of an article summary","prompt":"Convert this 200-word article summary into a WAV audio file so users who prefer listening can hear it read aloud."},{"title":"Dynamic audio notification for an agent pipeline","prompt":"Generate a short spoken MP3 of the message 'Your order has shipped and will arrive tomorrow by 5 PM' — I need it to play as a voice alert."}],"resultDescription":"An audio file (MP3 by default, or WAV if requested) containing the synthesized speech of the provided text, ready for playback, download, or embedding. The call costs $0.04 USDC on Base and is only charged on HTTP 200 success.","failureModes":["Text exceeds 1500 character limit — request will fail or be truncated","Invalid voice name provided — falls back to default Kore or returns an error","Unsupported format value (anything other than mp3 or wav) — error response","Payment failure on Base/x402 — no charge and no audio returned","Service unavailable on the hosting provider — HTTP 5xx with no audio"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call text-to-speech without a subscription, paid only on success via USDC on Base. It is ideal for agents with sporadic TTS needs that want a simple GET-based API with no SDK, and when outputs up to 1500 characters per call are sufficient. Prefer it over heavyweight TTS services when you want crypto-native micropayment billing and minimal integration overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T05:34:06.997Z","isFirstParty":false,"canonicalSlug":"sift-web-tools-text-to-speech-tts-5a264406"}