{"uid":"cap_eAJwG__UiPAxhmSYAKlIz","slug":"baron-power-play-text-to-speech-e1e20a93","name":"Baron Power Play Text-to-Speech","description":"Pay-per-call AI infrastructure for autonomous agents. USDC on Base, settled by Coinbase. No API key, no account, no subscription.","url":"https://baron-power-play.baronpowerplay.workers.dev/tts?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"tags":["speech","text-to-speech","audio","voice","agents"],"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["title","description","input","output"],"properties":{"tags":{"type":"array","items":{"type":"string"},"description":"Machine-readable discovery categories for directory search and ranking."},"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"title":{"type":"string"},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{}},"additionalProperties":false},"description":{"type":"string"}},"additionalProperties":false},"responseSchema":{"type":"audio","example":"audio/mpeg binary stream"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZRVeSeS_kLaDjzHCHZrze","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts text to speech audio, returning an MPEG audio stream, billed per-call at $0.01 USDC on Base with no API key required.","exampleAgentPrompt":"Read this aloud and give me the audio file: 'Welcome to Baron Power Play — your autonomous agent, ready to go.'","exampleUseCases":[{"title":"Voiceover for agent notification","prompt":"Turn this status update into spoken audio so I can play it as a voice alert: 'Your order has shipped and will arrive tomorrow.'"},{"title":"Podcast script narration","prompt":"Convert this script paragraph into an audio clip I can use in my podcast intro: 'Every day, thousands of agents make decisions that shape the world around us.'"},{"title":"Accessibility audio for article","prompt":"Generate an audio version of this article summary so visually impaired users can listen to it: 'Researchers have discovered a new method for carbon capture that reduces costs by 40 percent.'"}],"resultDescription":"An audio/mpeg binary stream containing synthesized speech of the submitted text, ready for playback or storage. The response is a raw audio file, not a JSON object.","failureModes":["Payment not settled (402 response if USDC payment on Base is not included or insufficient)","Malformed request body missing required fields (title, description, input, output) returns a 400 error","Empty or oversized text input may result in a processing error or truncated audio","Network timeout on the Cloudflare Worker edge if the TTS synthesis takes too long","Unsupported body type or method returns validation error"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call text-to-speech with no API key, subscription, or account setup — ideal for autonomous AI agents that pay micropayments in USDC on Base via the x402 protocol. Prefer this over subscription-based TTS APIs when you want zero credential management and on-demand, per-call billing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:40:01.913Z","isFirstParty":false,"canonicalSlug":"baron-power-play-text-to-speech-e1e20a93"}