{"sample":true,"free":true,"note":"Static example of the paid response shape (not live data). Drop sample=1 and pay via x402 for live data. Failed calls (4xx/5xx) are never charged.","path":"/crypto/base-rpc","price_usdc":"0.002000","pay_url":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/base-rpc?method=eth_blockNumber&params=%5B%5D","input_schema":{"type":"object","properties":{"method":{"type":"string","description":"JSON-RPC method (default eth_blockNumber)","examples":["eth_blockNumber","eth_getBalance","eth_call"]},"params":{"type":"string","description":"URL-encoded JSON array of params (default [])","examples":["[]","[\"0xe4be4d0bd82d8e68203deff81f79ede0529f2617\",\"latest\"]"]}},"additionalProperties":false},"example":{"jsonrpc":"2.0","id":1,"result":"0x32c8f1a","chain":"base","chain_id":8453,"upstream":"https://base.drpc.org","latency_ms":84},"start_here":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/ping"}