No-signup utilities for crypto users and AI agent developers. All free, all open.
Test any x402 endpoint URL — see 402 response, payment info, network, price, spec compliance. Free visual validator.
Paste any Base L2 tx hash — see status, value, gas, from/to, block details. Uses live RPC.
Validate any x402 payment endpoint against the official v1.2.0 schema. Catches spec bugs that reject standard clients.
Search 25,000+ AI agent services on the x402 network. Preview results free, unlock full details for $0.005 USDC.
Check ETH + USDC balance of any Base wallet address via public RPC.