{"uid":"cap_0jll0ZdHRoiqnCXll_dG9","slug":"forgemesh-text-to-speech-voice-generation-4f74cff2","name":"ForgeMesh Text-to-Speech & Voice Generation","description":"Paid text-to-speech via x402. WAV audio in 31 languages, OpenAI-compatible, no API keys.","url":"https://tts.forgemesh.io/v1/audio/speech","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","maxLength":2000,"minLength":1,"description":"OpenAI-compatible text input to synthesize, max 2000 characters"},"model":{"type":"string","description":"Ignored — always uses ForgeMesh Voice"},"voice":{"enum":["M1","M2","M3","M4","M5","F1","F2","F3","F4","F5"],"type":"string","description":"Standard voice: M1-M5 or F1-F5"},"response_format":{"enum":["wav","flac","ogg"],"type":"string","description":"Requested audio format"}}},"responseSchema":{"type":"json","example":{"description":"OpenAI-compatible inline speech audio response","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_LMRHVs70mQkh8hGvDO6Vm","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 to spoken audio (WAV/FLAC/OGG) in 31 languages using 10 distinct voices, paid per-call via x402 micropayment with no API key required.","exampleAgentPrompt":"Can you turn this text into spoken audio using a female voice (F2) in WAV format: 'Welcome to our platform. We're glad you're here.'","exampleUseCases":[{"title":"Podcast intro narration","prompt":"Generate a spoken audio clip using a deep male voice — use M3 — and save it as a WAV file. The text is: 'Welcome to TechTalks Weekly, your source for the latest in software and innovation.'"},{"title":"Multilingual customer greeting","prompt":"Convert this French greeting to speech using a female voice F1 and give me an OGG file: 'Bonjour et bienvenue chez NovaBoutique. Comment pouvons-nous vous aider aujourd'hui?'"},{"title":"Accessibility audio for article","prompt":"I need a WAV audio version of this paragraph for visually impaired readers using voice M4: 'Our quarterly earnings exceeded expectations, with a 12% growth in net revenue compared to last year.'"}],"resultDescription":"Returns a binary audio file (WAV, FLAC, or OGG) containing the synthesized speech rendered by ForgeMesh Voice. The response content type is audio/wav (or the requested format), and the audio can be played back directly or saved to disk. No JSON wrapper — it is a raw audio stream.","failureModes":["Text input exceeds 2000 characters — request rejected with error","Invalid voice identifier (not in M1-M5 or F1-F5) — bad request error","Payment via x402 fails or insufficient USDC balance — 402 Payment Required response","Unsupported language or character set in input — may produce degraded or silent output","Invalid response_format value — falls back to WAV or returns error"],"whenToPreferThis":"Choose ForgeMesh TTS when you need pay-per-call speech synthesis with no API key registration, no subscription, and no monthly commitment — ideal for agents that call TTS infrequently or need to spin up quickly. It is OpenAI-compatible, so switching cost is low. Prefer this over OpenAI TTS or ElevenLabs when you want x402 micropayment billing and broad language coverage (31 languages) with a simple 10-voice palette.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T09:15:34.694Z","isFirstParty":false}