{"uid":"cap_HNeUgeP0oHIc5I9BPFGKO","slug":"apexapi-text-to-speech-tts-5ee7afb5","name":"ApexAPI Text-to-Speech (TTS)","description":"Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/ai/audio/tts?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.080678","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":"$0.080678/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.080678","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.080678","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0vIYENEiyaqnTpORoWZCx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.080678","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts input text into synthesized audio speech using an AI text-to-speech engine, returning audio content.","exampleAgentPrompt":"Can you convert this paragraph into spoken audio for me? Here's the text: 'Welcome to our platform. We're glad you're here and hope you enjoy your experience.'","exampleUseCases":[{"title":"Podcast episode audio generation","prompt":"I have a blog post about cryptocurrency trends that I want to turn into a podcast episode. Can you convert this text into clear, natural-sounding audio that I can publish? Here's the content: 'Bitcoin's latest price movement reflects growing institutional adoption and shifting market sentiment. Analysts predict increased volatility as regulatory frameworks evolve globally.'"},{"title":"Accessibility narration for web content","prompt":"We need to make our finance news website more accessible for visually impaired users. Can you generate audio versions of our latest market analysis articles? Please synthesize this text into speech: 'Today's market opened with significant gains in tech stocks as investors responded positively to earnings reports and forward guidance from major companies.'"},{"title":"Customer service voice message automation","prompt":"I want to create personalized voice messages for our weather alert system. Can you convert this alert message into audio so it sounds like a real announcement? Convert this to speech: 'Severe thunderstorm warning in effect until 8 PM. Seek shelter immediately and avoid outdoor activities. This is an automated weather alert.'"}],"resultDescription":"The agent receives synthesized audio data (likely an audio file or base64-encoded audio) representing the spoken version of the provided input text.","failureModes":["Empty or missing query/text input returns an error","Input text too long may exceed limits or time out","Payment failure in USDC on Base blocks the call","Service unavailable or cold-start delay on Vercel deployment","Unsupported characters or languages in input may produce garbled audio"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-API-key text-to-speech conversion paid in USDC on Base via x402 protocol, and don't want to manage subscriptions or API credentials. Best for lightweight, on-demand TTS needs within the ApexAPI ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:50:23.151Z","isFirstParty":false,"canonicalSlug":"apexapi-text-to-speech-tts-5ee7afb5"}