Developer Builds French TTS API That Accepts Only Crypto Payments From AI Agents

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A developer has launched Voixoff, a French text-to-speech API designed exclusively for autonomous AI agents rather than human users. The service uses the x402 protocol, which revives the long-dormant HTTP 402 status code to enable machine-to-machine payments without accounts, API keys, or sign-up forms. Agents pay per request in USDC stablecoin on the Base blockchain, with the payment itself serving as authentication. Pricing ranges from $0.03 to $0.05 per call for products including ad voiceovers, audiobook narration, and IVR phone greetings. The project launched with no customers or revenue, and the developer describes it as a transparent architectural experiment in building APIs payable directly by AI agents.

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ProgrammingDEV Community ·

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