{"message":"x402 Payment System API","version":"2.0.0","description":"Pay 1 USDC and record to system, accumulate user payment totals","endpoints":{"protected":[{"method":"POST","path":"/pay","price":"$0.001 USDC","description":"Pay and record to system"}],"public":[{"method":"GET","path":"/health","description":"Health check"},{"method":"GET","path":"/stats","description":"Get global statistics"},{"method":"GET","path":"/stats/:address","description":"Get user statistics"},{"method":"GET","path":"/","description":"API information"}]},"documentation":"https://x402.gitbook.io/x402"}