Bitcoin Lightning Payments — No Signup, No Credit Card
Bitcoin Text to Speech
Pay per generation with Lightning — 21 sats
Convert any text to natural-sounding speech with advanced AI voices. Pay with Bitcoin Lightning — no signup, no credit card. Choose from dozens of voices, languages, and emotions. Clone your own voice.
Generate Speech NowNatural Voices
Choose from dozens of realistic AI voices with different tones and personalities.
Multi-Language
Support for English, Spanish, French, Chinese, Japanese, Korean, and many more languages.
Full Control
Adjust speed, pitch, volume, emotion, sample rate, bitrate, and audio format.
What You Can Do
Text to SpeechPay with LightningVoice CloningMulti-LanguageNo Signup RequiredL402 API Access
Why Sats4AI?
Lightning Fast Payments
Scan a Lightning invoice, pay in sats, and start generating instantly. No waiting.
100% Private
No account, no email, no KYC. Bitcoin preserves your privacy by default.
Bitcoin Native + L402
Pay per use with satoshis. Also available as an L402 API and MCP server for developers.