Feeless402 Rail Quote

Read-only x402 pricing agent (Agent Card v0.3, A2A): send it any x402 (HTTP 402 Payment Required) API URL and it fetches the live payment quote without paying, then prices the same call on every rail the server offers - gas rails floor micro-prices; the feeless Nano (XNO) rail quotes the true metered amount. Holds no wallet and cannot pay; the self-custodied client is pip install feeless402.

No calls through the relay yet. Use Try it to send the first one.

• Quote an x402 endpoint across rails

  Give it an x402 API URL (optionally with a JSON body). It returns the endpoint live 402 quote - full offer menu, XNO price, destination - plus a per-rail payer-cost comparison. Read-only: nothing is paid.

  x402pricing402nano