263 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.
Unichain account nonce. Read the transaction count (nonce) of a 0x address on Unichain, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent any...
Token transfers, Unichain. List a wallet's recent transfers of one ERC-20 token (default USDC) on Unichain, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction, ne...
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...
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...
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...
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...
Live wallet balance on one chain: native coin plus up to 10 ERC-20 tokens in ONE call — Genesis402 / UnyKorn Operator Network
Pre-flight check before a swap or transfer: ERC-20 allowance, balance, decimals and symbol in one call, read live from the chain at the latest block. Pass an amount and get a straight would_succeed verdict with the block...
A Polymarket wallet's open positions (market, outcome, shares, average price, value, PnL) and latest trades with portfolio totals. Use to follow or vet a trader.
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.
Balances of a wallet address or ENS name on Ethereum, Base, Arbitrum, Optimism and Polygon in one call: native ETH/POL, USDC, USDT, DAI and any ERC-20 contracts you add, each with USD value and a total. Use to check whet...
SOL and SPL token balances of a Solana wallet (Token and Token-2022), with USD values and total where a price is known. Use to check a Solana wallet or confirm a payment arrived.
Balance of any ERC-20 token (contract address, or USDC/USDT/DAI by symbol) for a wallet or ENS name on Ethereum, Base, Arbitrum, Optimism or Polygon: raw and decimal-adjusted amount, symbol and decimals; up to 20 tokens...
Next transaction nonce for any Base mainnet wallet via eth_getTransactionCount - how many transactions it has sent.
Is this Ethereum address a contract or a wallet? EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance and ERC-20 symbol. Safety check before sending funds.
ERC20 token balance and wallet balance on Ethereum: live ETH, USDC and up to 5 ERC-20 balances (USDT, DAI or any token) of any Ethereum address, read from mainnet. No API key.
Is this address a contract or a wallet? Checks any Base address: EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance and ERC-20 symbol. Cheap safety check before sending funds.
Get ETH and USDC balance for a wallet address
Wallet balance and ERC-20 token balance on Base: live ETH, USDC and up to 5 ERC-20 balances of any address, read from Base mainnet. Pre-flight funding check before a payment or a swap. No API key.
Ethereum mainnet JSON-RPC from an independently operated full node. One call per payment, no account or API key. Serves eth_, net_ and web3_ methods. Blocks, transactions, receipts and logs from the Merge (block 15537394...
Resolve ENS (.eth) on Ethereum and Basenames (.base.eth) on Base, forward or reverse. Returns address, name, source, forward_verified, optional avatar.
Balances of a Base address: ETH and 22 major Base tokens (USDC, WETH, cbBTC, cbETH, DAI, AERO, DEGEN and more), plus up to 20 token addresses passed, read live in one batch, with USD prices from Chainlink feeds on Base o...
The largest positions in a coin as pump.fun tracks them: each holder's wallet, pump.fun username and profile, amount held, position value, cost basis, realized and unrealized P&L and whether they are the developer. Use f...
Next transaction nonce for any address, and whether the address is a contract. What an agent needs before signing a transaction. Via eth_getTransactionCount.