{"openapi":"3.1.0","info":{"title":"Robinhood Chain Explorer","version":"1.0.0","x-guidance":"Every path is payable per request over HTTP 402 in USDG on eip155:4663. GET or POST without credentials to receive the challenge (WWW-Authenticate Payment header, plus the x402 payment-required header). Sign PermitWitnessTransferFrom for the advertised offer (spender is the canonical x402ExactPermit2Proxy) and retry with the payment-signature header. Buyers only need USDG: a one-time sponsored Permit2 approval is available at POST /api/gas/sponsor {\"address\"}."},"x-service-info":{"description":"Raw explorer data for Robinhood Chain from Blockscout: addresses, transactions, tokens, and network stats. Machine-payable per request."},"paths":{"/address":{"get":{"summary":"Balance, contract flags, and metadata for an address. Append the address to the path, e.g. address/0x... Sub-resources work too: address/0x.../transactions, address/0x.../token-balances.","responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.010000"},"protocols":[{"mpp":{"method":"evm","intent":"charge","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168"}},{"x402":{}}],"amount":"10000","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","description":"Robinhood Chain Explorer: Address info","intent":"charge","method":"evm","recipient":"0xbB818E97E2260904B1D502E154488392ba2Ab5C9","scheme":"exact","network":"eip155:4663","extra":{"assetTransferMethod":"permit2","spender":"0x402085c248EeA27D92E8b30b2C58ed07f9E20001","name":"USDG"}}}},"/stats":{"get":{"summary":"Chain-wide counters: total blocks, transactions, addresses, gas prices, and utilization.","responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.010000"},"protocols":[{"mpp":{"method":"evm","intent":"charge","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168"}},{"x402":{}}],"amount":"10000","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","description":"Robinhood Chain Explorer: Network stats","intent":"charge","method":"evm","recipient":"0xbB818E97E2260904B1D502E154488392ba2Ab5C9","scheme":"exact","network":"eip155:4663","extra":{"assetTransferMethod":"permit2","spender":"0x402085c248EeA27D92E8b30b2C58ed07f9E20001","name":"USDG"}}}},"/token":{"get":{"summary":"Search tokens with ?q=AAPL, or fetch one by contract address appended to the path, e.g. token/0x... Sub-resources: token/0x.../holders.","responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.010000"},"protocols":[{"mpp":{"method":"evm","intent":"charge","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168"}},{"x402":{}}],"amount":"10000","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","description":"Robinhood Chain Explorer: Tokens","intent":"charge","method":"evm","recipient":"0xbB818E97E2260904B1D502E154488392ba2Ab5C9","scheme":"exact","network":"eip155:4663","extra":{"assetTransferMethod":"permit2","spender":"0x402085c248EeA27D92E8b30b2C58ed07f9E20001","name":"USDG"}}}},"/tx":{"get":{"summary":"Latest network transactions, or one transaction by hash appended to the path, e.g. tx/0x... Sub-resources: tx/0x.../logs, tx/0x.../token-transfers.","responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"price":{"mode":"fixed","currency":"USD","amount":"0.010000"},"protocols":[{"mpp":{"method":"evm","intent":"charge","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168"}},{"x402":{}}],"amount":"10000","currency":"0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168","description":"Robinhood Chain Explorer: Transactions","intent":"charge","method":"evm","recipient":"0xbB818E97E2260904B1D502E154488392ba2Ab5C9","scheme":"exact","network":"eip155:4663","extra":{"assetTransferMethod":"permit2","spender":"0x402085c248EeA27D92E8b30b2C58ed07f9E20001","name":"USDG"}}}}}}