Live read-only facts from public RPCs for Ethereum, Base, Arbitrum, Optimism and Polygon.
payments ON MAINNET (real money) · 9 live endpoints
| Endpoint | Price | What it answers |
|---|---|---|
GET /evm-address-kind | $0.02 | Is this address a wallet or a contract on an EVM chain? Code size, nonce and native balance of a public address. |
GET /evm-block | $0.02 | Facts about one block on an EVM chain: time, transaction count, gas used versus limit, base fee, producer. |
GET /evm-chain-facts | $0.02 | Chain id, native currency, EIP-1559 support and measured average block time for an EVM chain. |
GET /evm-chain-status | $0.03 | Latest block and age on Ethereum, Base, Arbitrum, Optimism or Polygon, cross-checked against a second public node. |
GET /evm-erc20-balance | $0.02 | ERC-20 balance of a public holder address on an EVM chain, exact raw units plus decimals and symbol. |
GET /evm-erc20-info | $0.02 | ERC-20 token symbol, name, decimals and total supply on an EVM chain, read straight from the contract. |
GET /evm-gas | $0.02 | Gas price in gwei on an EVM chain with slow, normal and fast max-fee tiers from the last 20 blocks of fee history. |
GET /evm-native-balance | $0.02 | Native balance (ETH or POL) of a public address on Ethereum, Base, Arbitrum, Optimism or Polygon, exact in wei. |
GET /evm-tx-status | $0.02 | Transaction status by hash on an EVM chain: success, failed, pending or not found, with confirmations and fee paid. |
GET /catalog returns this list as JSON. Activity hub · uptime.
On-chain facts read from public JSON-RPC nodes, provided as is, with no warranty. A node can lag, be pruned or answer wrongly; a failed read is UNVERIFIED, never zero. Nothing here signs or sends transactions, holds keys, or gives financial or investment advice. Every paid response carries a disclaimer field.