{"uid":"cap_LvEeXPTEXc8ENW4B1sz1m","slug":"sitecheck-api-text-to-speech-79f6f011","name":"SiteCheck API Text-to-Speech","description":"Pay-per-call tools for AI agents: image generation, speech-to-text, text-to-speech, embeddings, LLM chat, website audits and contact enrichment. Plus prediction-market search, briefs, quotes and unsigned buy transactions, powered by Panta. Payment: x402, USDC on Base, Solana or Arc. No signup, no API key.","url":"https://api.sitecheck-api.workers.dev/api/tts?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","description":"Up to 1000 chars"},"voice":{"type":"string","description":"luna, asteria, athena, helena, hera, aurora, orion, apollo, arcas, atlas, hermes, zeus, draco, odysseus"}}},"responseSchema":{"type":"json","example":{"mime":"audio/mpeg","model":"@cf/deepgram/aura-2-en","voice":"luna","audio_base64":"SUQzBAAAAAAA..."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0hZqhPHga4B4GyG8WdeAT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text (up to 1000 characters) into an MP3 audio file using a choice of named voices, powered by Deepgram Aura-2, with pay-per-call billing via USDC on Base.","exampleAgentPrompt":"Read this aloud using the 'luna' voice: 'Welcome to our quarterly product update — here's what we shipped this month.' Return the MP3 audio.","exampleUseCases":[{"title":"Podcast intro narration","prompt":"Can you synthesize this 200-word podcast intro as audio using the 'zeus' voice? The text is: 'Welcome to The Future Stack, where we break down AI tools that matter. Today we're diving into x402 payments and what they mean for autonomous agents.'"},{"title":"Accessibility audio for article","prompt":"Turn this article summary into spoken audio with the 'athena' voice so I can add it as an accessibility feature: 'In 2024, renewable energy accounted for 30% of global electricity generation, a record high driven by solar and wind expansion.'"},{"title":"Customer support voice prompt","prompt":"Generate a friendly spoken greeting for my customer support bot using the 'aurora' voice — the text is: 'Hi there! Thanks for reaching out. I'm here to help you with your order or any questions you might have.'"}],"resultDescription":"A JSON object containing the audio encoded as a base64 MP3 string (audio_base64), the MIME type (audio/mpeg), the model used (@cf/deepgram/aura-2-en), and the voice name selected. The agent must decode the base64 string to obtain the playable audio file.","failureModes":["Text exceeds 1000 character limit — request rejected or truncated","Invalid voice name provided — may return error or fall back to default","Payment failure via x402/USDC — 402 response, audio not returned","Network timeout on Cloudflare Worker — 5xx error","Empty text input — likely returns an error or silent audio"],"whenToPreferThis":"Choose this endpoint when you need quick, pay-per-call text-to-speech without any signup or API key setup, especially when operating in an agentic context that supports x402 micropayments on Base. It offers a wide selection of named voices and returns base64 MP3 audio suitable for embedding or playback. Prefer it over subscription-based TTS APIs when cost must be per-call and no authentication credential management is desired.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:13:33.219Z","isFirstParty":false,"canonicalSlug":"sitecheck-api-text-to-speech-79f6f011"}