281 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.
Storage slot read, Unichain. Read one raw storage slot of a contract on Unichain (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...
Unichain ERC-20 balance. ERC-20 token balance of a wallet on Unichain (USDC, USDT, WETH or any token, via balanceOf): raw amount, decimals, symbol and the human-readable amount, live from the token contract. Use to check...
Unichain ERC-20 token info. Look up the name, symbol, decimals and total supply of an ERC-20 token contract on Unichain, live from the contract. Use to identify an unknown token address or to format raw amounts; for a ho...
Unichain transaction. Look up an Unichain 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 or...
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...
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...
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...
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...
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...
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
Latest PulseChain block number and timestamp.
An EVM block by number or tag (latest, finalized, safe): hash, parent, time, miner, gas used and limit, base fee, size and its transaction hashes.
Native ETH balance for any wallet on Base, machine-readable, one call. $0.003 USDC per call on Base.
Bitcoin read-only RPC and supported simulations. Submit method and params as JSON. Method schemas, limits and prices: https://api.block402.xyz/docs/api.md. Obtain a bound quote with a private Idempotency-Key before signi...
Latest Base block number, hash, and timestamp in one machine-readable call. $0.002 USDC per call on Base.
Base transaction explained from the chain: success or reverted, block and time, from, to, ETH value, method selector, gas used and fee, contract created, and every ERC-20 transfer decoded with token symbol and amount. In...
Look up supported blockchain network metadata and chain IDs for $0.001 USDC. Static first-party registry only—no live RPC, balances, blocks, receipts, gas, or contract reads. Call when you need this bounded result withou...