{"uid":"cap_5y8SFdZXlzRp3txJYd4aJ","slug":"dexl-agents-text-to-speech-1408d012","name":"DexL Agents Text-to-Speech","description":"Turn text into speech and get a WAV back: eight voices, 24 kHz mono, up to 5000 characters per call. Priced per call with x402, and the quote is a ceiling - pay with the upto scheme and only the audio you actually generated settles.","url":"https://agents.dexl.io/v1/audio/speech","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"Text to speak, up to 5000 characters."},"voice":{"type":"string","description":"One of: Kore, Puck, Charon, Fenrir, Aoede, Leda, Orus, Zephyr."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NSrxCNXtaT93FdGBmTUZ0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 5000 characters) into a WAV audio file using a selectable AI voice, billed per call via x402 with no API key required.","exampleAgentPrompt":"Read this out loud in the Aoede voice: 'Welcome to our weekly briefing. Here are the top three stories you need to know about today.' — give me back a WAV file.","exampleUseCases":[{"title":"Podcast intro narration","prompt":"Generate a spoken intro for my podcast using the Puck voice — the text is: 'Hello and welcome to The Build Log, the show where we talk to founders about what actually happens behind the scenes. I'm your host, and today's guest built a company from zero to a million users in eighteen months.'"},{"title":"Accessibility voiceover for article","prompt":"Turn this article summary into audio using the Zephyr voice so I can attach it to my newsletter: 'Researchers at MIT have developed a new battery design that charges in under two minutes and retains 90% capacity after 1000 cycles.'"},{"title":"Alert message audio for monitoring bot","prompt":"Synthesize a short warning message using the Fenrir voice that my monitoring bot can play: 'Critical alert — database CPU usage has exceeded 95% for the past five minutes. Immediate action required.'"}],"resultDescription":"Returns a binary WAV audio file in a RIFF/WAVE container, encoded as 24 kHz mono PCM, containing the synthesized speech of the provided text in the selected voice.","failureModes":["Text exceeds 5000 character limit — request rejected or truncated","Invalid voice name not in the allowed enum (Kore, Puck, Charon, Fenrir, Aoede, Leda, Orus, Zephyr) — error response","x402 payment failure or insufficient USDC balance — 402 Payment Required response","Empty or missing input text field — malformed request error","Upstream TTS model unavailability — 503 or gateway error"],"whenToPreferThis":"Choose this endpoint when you need programmatic text-to-speech with no account registration or API key setup, and you want pay-per-call billing via x402 crypto micropayments. It is ideal for AI agents that need to generate audio on demand without managing subscription credentials, and when a choice of named AI voices and WAV output format is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:45:24.830Z","isFirstParty":false}