{"uid":"cap_B-ELHEIr5ykAZ8jK42sm0","slug":"forgemesh-text-to-speech-base-route-6375b455","name":"ForgeMesh Text-to-Speech (Base Route)","description":"Paid text-to-speech via x402. WAV audio in 31 languages, OpenAI-compatible, no API keys.","url":"https://tts.forgemesh.io/v1/tts/base","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"lang":{"enum":["en","ko","ja","ar","bg","cs","da","de","el","es","et","fi","fr","hi","hr","hu","id","it","lt","lv","nl","pl","pt","ro","ru","sk","sl","sv","tr","uk","vi"],"type":"string","description":"Language code; 31 languages supported"},"text":{"type":"string","maxLength":2000,"minLength":1,"description":"Text to synthesize into speech, max 2000 characters. Use non-long routes for 1-500 chars and -long routes for 501-2000 chars."},"voice":{"enum":["M1","M2","M3","M4","M5","F1","F2","F3","F4","F5"],"type":"string","description":"Standard voice: M1-M5 or F1-F5"}}},"responseSchema":{"type":"json","example":{"description":"44.1kHz 16-bit mono WAV speech audio returned inline","content_type":"audio/wav"}},"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_EyyFrT15r-3w3Eb3ZByPl","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 short text (1–500 characters) into a WAV audio file using a selected voice and language, paid per-call via x402 with no API key required.","exampleAgentPrompt":"Read this aloud using a male voice (M2) in Spanish: 'Bienvenidos a nuestra tienda, estamos felices de atenderte hoy.'","exampleUseCases":[{"title":"Multilingual product announcement audio","prompt":"Turn this English product tagline into spoken French audio using a female voice (F1): 'Discover the future of smart home living.'"},{"title":"Podcast intro narration","prompt":"Generate a WAV audio clip of this podcast intro using male voice M3 in English: 'Welcome back to The Daily Stack — your five-minute tech briefing.'"},{"title":"Accessibility voice readout","prompt":"Convert this Korean notice into speech using female voice F2: '공지사항: 내일 오전 9시부터 시스템 점검이 있을 예정입니다.'"}],"resultDescription":"Returns a 44.1kHz 16-bit mono WAV audio file inline (content-type: audio/wav) containing the synthesized speech of the submitted text in the chosen language and voice.","failureModes":["Text exceeds 2000 characters — use the -long route instead","Invalid or unsupported language code returns a validation error","Invalid voice ID (outside M1-M5/F1-F5) returns a validation error","Text is empty or below minimum length of 1 character","x402 payment failure if wallet has insufficient USDC balance","Network timeout if audio rendering takes too long"],"whenToPreferThis":"Choose this endpoint when you need short-form TTS (1–500 characters) in one of 31 supported languages, want OpenAI-compatible behavior, and prefer pay-per-call micro-payments via x402 rather than managing API keys or subscriptions. Ideal for agents that need occasional TTS without long-term API key setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T17:51:12.198Z","isFirstParty":false}