step 1 · free. The gateway returns the x402 challenge — that's what your agent receives. step 2 (after the challenge lands): sign + pay $0.0005 to see the real response. connect wallet first to be ready for step 2.
/ PARAMS · this tool takes no input
/ REQUEST
POST /mcp/e2e-icon-fixture/ping
content-type: application/json
{}
/ responseidle
// Press the button — the gateway will return a 402 challenge. Pay $0.0005 once with your wallet to see the real response.