{"service":"402rpc","description":"Ethereum mainnet JSON-RPC, paid per request over x402","endpoint":"POST /rpc","price":{"chainMetadata":"$0.001","lookup":"$0.002","rawTransaction":"$0.002","execution":"$0.005","getLogs":{"up to 100 blocks":"$0.005","up to 1000":"$0.01","beyond":"$0.03"},"maxPerRequest":"$0.100","note":"Requests refused before the paywall (400) and node failures (502) are never charged."},"limits":{"requestsPerMinute":120,"heavyRequestsPerMinute":20},"network":"base","payTo":"0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1","facilitator":"coinbase-cdp","coverage":{"blocks":"from 15537394 onward (the Merge, September 2022)","state":"current only — not an archive node; historical state calls are refused, not charged","maxLogRange":10000,"maxBatch":20,"namespaces":["eth_","net_","web3_"]}}