I Built a CAPTCHA Solver That AI Agents Pay For With Crypto (No API Keys)

Every AI agent builder hits the same wall: your agent navigates to a website, and a CAPTCHA appears. Game over. The standard fix? Sign up for a captcha-solving service, get API keys, manage billing, handle rate limits. Your "autonomous" agent now depends on a human managing a SaaS subscription. I wanted something different. The Problem AI agents are getting really good at browsing the web. Tools like Playwright, Puppeteer, and browser-use make it trivial to automate complex workflows. But CAPTCHAs are designed to stop exactly this. The existing solutions all share the same friction: Service Problem 2Captcha API keys, account signup, manual billing Anti-Captcha Same — plus slow solve times CapSolver Same model, different name Self-hosted AI solvers You maintain GPU infra for vision models What if an agent could just... pay for the solve directly? No accounts. No keys. Just HTTP. Enter x402 HTTP status code 402 has been "reserved for future use" since 1996. Coinbase finally gave it a pur