19 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Token allowance, zkSync ERC-20. ERC-20 token allowance on zkSync Era: how much a spender may move from an owner's wallet (allowance), raw and in token units, and whether the approval is unlimited. Use to check an approva...
zkSync Era native balance. Native ETH balance (eth_getBalance) of any 0x wallet address on zkSync Era at the latest block, in wei and in ETH. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use...
Block number, zkSync Era. Latest block number and block details on zkSync Era, or any block by decimal number: hash, timestamp, transaction count, gas used and limit, base fee in gwei and producer. Use for timestamps and...
Eth call, zkSync contract call. Read-only contract call on zkSync Era (eth_call): send ABI-encoded calldata to a contract at the latest block and get the raw return data, without a transaction or gas. Use to read any vie...
zkSync Era gas price. Current gas price on zkSync Era (eth_gasPrice): gas price, base fee and suggested priority fee in gwei, plus what a plain ETH transfer (21,000 gas) costs right now. Takes no input. Use before sendin...
Gas history, zkSync gas price. Gas price history on zkSync Era (eth_feeHistory): base fee in gwei for each of the last N blocks (5-100, default 20), how full each block was, and the 10th, 50th and 90th percentile priorit...
zkSync Era contract check. Check whether a 0x address on zkSync Era is a smart contract or a plain wallet: bytecode size, and whether it is an EIP-1167 minimal proxy and which implementation it points to. Use before send...
zkSync Era recent event logs. Recent contract event logs on zkSync Era (eth_getLogs): the events a contract emitted over the last N blocks (1-1,000, default 50), optionally filtered by topic0 (the 0x 32-byte event signat...
NFT balance, zkSync. How many NFTs of one ERC-721 collection a wallet holds on zkSync Era (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet s...
NFT metadata, zkSync. NFT metadata on zkSync Era: the token URI of one ERC-721 token id (tokenURI) and the JSON it points to (name, description, image, attributes), read from data: URIs, https or ipfs:// (through ipfs.io...
NFT owner, zkSync. Owner of an NFT on zkSync Era: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an ai...
zkSync Era account nonce. Read the transaction count (nonce) of a 0x address on zkSync Era, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent...
Proxy implementation, zkSync. Find the implementation behind a proxy contract on zkSync Era: reads the EIP-1967 implementation, beacon and admin slots, EIP-1822 (UUPS), the older OpenZeppelin layout and EIP-1167 minimal-...
zkSync Era transaction receipt. Transaction receipt on zkSync Era (eth_getTransactionReceipt): success or reverted, gas used, effective gas price, fee paid in ETH, number of event logs and any contract created. Use to co...
Storage slot read, zkSync. Read one raw storage slot of a contract on zkSync Era (eth_getStorageAt): the 32-byte word, as a number and, when it holds one, as an address. Slot is a decimal index or a 0x 32-byte key (mappi...
zkSync Era ERC-20 balance. ERC-20 token balance of a wallet on zkSync Era (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to c...
zkSync Era ERC-20 token info. Look up the name, symbol, decimals and total supply of an ERC-20 token contract on zkSync Era, live from the contract. Use to identify an unknown token address or to format raw amounts; for...
Token transfers, zkSync Era. List a wallet's recent transfers of one ERC-20 token (default USDC) on zkSync Era, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction...
zkSync Era transaction. Look up a zkSync Era transaction by hash: sender, recipient, value in ETH, nonce, gas limit, the 4-byte function selector and its block. Use to see what was sent or whether it exists; for success...