{"slug":"text-to-speech-98747264","name":"Text-to-speech","summary":"OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a five-model failover chain (xAI Grok Voice, Kokoro, MAI-Voice-2.1 Flash, MAI-Voice-2.1), every link proven by a real paid canary - a provider outage never becomes your failure. 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