Show HN: Web tools an AI agent pays for per call in USDC, no API key (x402+MCP) (superhighway.walls.sh)

A new web-search API tailored for AI agents has been launched, allowing them to autonomously perform searches without the need for human intervention, signups, or traditional API keys. This service operates on a pay-per-call model, charging just $0.001 per search, paid in USDC through the innovative x402 protocol. The system enables AI agents to directly manage their payment processes, streamlining operations for developers who can implement queries using a simple code snippet in TypeScript. Significantly, this development marks a step towards greater autonomy for AI agents, reducing dependency on human oversight and traditional API management. This open system not only simplifies the integration of AI with web tools but also encourages experimentation and innovation in cost-effective ways. The integration of SearXNG alongside the x402 protocol highlights a commitment to building reliable machine-readable specifications, which can enhance trust and usability in AI-driven applications within the rapidly evolving AI/ML landscape.