https://entroute.com/blog x402 API discovery, AI agent payments, and building with EntRoute. en https://entroute.com/blog/how-ai-agents-discover-and-pay-for-apis-with-x402 https://entroute.com/blog/how-ai-agents-discover-and-pay-for-apis-with-x402 I've been building a discovery API for AI agents that need to find and pay for services on their own. Here's what I've learned about x402 and why I think discovery is the missing piece. Tue, 07 Apr 2026 00:00:00 GMT x402 ai-agents api-discovery