| Latest Ethereum Block Height API Latest Ethereum block height - current chain tip via eth_blockNumber | - | $0.001 | - | certified | call recipe → |
| Block API Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber | - | $0.003 | - | listed | call recipe → |
| ENS Resolve API ENS resolve - turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC | - | $0.005 | - | listed | call recipe → |
| Estimate Gas API Estimate the gas a transaction will consume via eth_estimateGas before signing it | - | $0.004 | - | listed | call recipe → |
| Ethereum Chain Id (eip 155) Via ETH Chainid API Ethereum chain ID (EIP-155) via eth_chainId - confirm which chain a network is on | - | $0.001 | - | listed | call recipe → |
| Evm Network Info API EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header) | - | $0.001 | - | listed | call recipe → |
| NFT Metadata API NFT metadata, traits, and image URI for any ERC721 or ERC1155 token - fetched via eth_call with IPFS resolution (OneSource live Ethereum RPC) | - | $0.008 | - | listed | call recipe → |
| NFT Owner API Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call) | - | $0.003 | - | listed | call recipe → |
| Call API Simulate a read-only Ethereum contract call via eth_call - no transaction sent | - | $0.005 | - | listed | call recipe → |
| Code API Check if an Ethereum address is a contract via eth_getCode - returns deployed bytecode | - | $0.003 | - | listed | call recipe → |
| ERC20 Allowance Via Allowance (eth Call) API ERC20 allowance via allowance (eth_call) - how much a spender is approved to move from an owner's wallet | - | $0.003 | - | listed | call recipe → |
| ERC20 Token Balance For Any Ethereum Wallet API ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC | - | $0.003 | - | listed | call recipe → |
| ERC20 Transfer Logs Via ETH Getlogs API ERC20 Transfer logs via eth_getLogs - decoded sender, recipient, and amount for a token or wallet | - | $0.005 | - | listed | call recipe → |
| Erc1155 Token Balance Via Balanceof (eth Call) API ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds | - | $0.003 | - | listed | call recipe → |
| Erc721 Tokens API List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call) | - | $0.008 | - | listed | call recipe → |
| Live Wallet Balance API Live wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ethereum RPC | - | $0.003 | - | listed | call recipe → |
| Nonce API Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent | - | $0.003 | - | listed | call recipe → |
| Storage API Read a raw storage slot from any Ethereum contract via eth_getStorageAt | - | $0.005 | - | listed | call recipe → |
| Tx API Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block | - | $0.008 | - | listed | call recipe → |
| Pending Block API Pending block - transactions not yet mined, via eth_getBlockByNumber("pending") | - | $0.01 | - | listed | call recipe → |
| Query Ethereum Contract Event Logs Via ETH Getlogs API Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range | - | $0.005 | - | listed | call recipe → |
| Total Supply API Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call) | - | $0.003 | - | listed | call recipe → |
| Contract Introspection Via ETH Call API Contract introspection via eth_call - name, symbol, decimals, and ERC20/721/1155 interface support | - | $0.005 | - | listed | call recipe → |
| Proxy API Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy | - | $0.005 | - | listed | call recipe → |
| Transaction Receipt Via ETH Gettransactionreceipt API Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction | - | $0.005 | - | listed | call recipe → |