369 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.
Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.
Paid ETH native balance read on Base (cycle 227 alias path, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?tokens=<A,B,C> OR ?sample=1 OR POST application/json {address|token|tokens}. KEYLESS public Base J...
ENS resolve on Ethereum: a .eth name to its address (?name=vitalik.eth), or an address to its primary ENS name (?address=0x...), forward-verified so a reverse record pointing elsewhere is never returned as the name.
Crypto price lookup: current USD price of bitcoin, ethereum, solana, USDC and other major coins by name or symbol, with 24-hour change, high, low and volume from Coinbase public market data (CoinGecko fallback). Live cry...
What x402 agents actually pay for: the Bazaar's top services by real 30-day call volume and unique payers, with per-category totals and the market median. Read from the facilitator's own usage counters.
Decode Ethereum calldata: selector, 4byte/openchain signature lookup, ABI-decoded args for each matching candidate. Optional {signature} override.
Get the price of a cryptocurrency: live price, market cap, volume and 24h change for a coin or token id.
Latest block and gas price on Ethereum, Base, Arc or BNB Chain: block number, its time and age in seconds, gas price and base fee in gwei, transaction count and chain id. Pass ?chain=
ERC20 token balance of any wallet on Ethereum, Base, Arc or BNB Chain: pass ?address=&token=&chain= and get the raw balance, the decimals, the symbol and the balance in token units, with the block it was read at. A token...
Wallet balance on Ethereum, Base, Arc or BNB Chain: the native coin (ETH, BNB, or USDC on Arc), the chain USDC or up to 20 ERC20 tokens you list, the nonce and whether the address is a contract, read at one block. Pass ?...
Transaction status and receipt by hash on Ethereum, Base, Arc or BNB Chain: success or revert, from, to, value, contract created, gas used, effective gas price, the fee paid, block, time and log count. Pass ?hash=&chain=...
Read-only contract call (eth_call) on Ethereum, Base, Arc or BNB Chain: pass ?to=&data= (hex calldata) and optional &from=, get the returned bytes or the revert reason, at a named block. Nothing is signed or sent.
Is this address a contract? On Ethereum, Base, Arc or BNB Chain: whether code is deployed, its size, the implementation behind an EIP-1967 or ZeppelinOS proxy, and an EIP-7702 delegation if the address is a wallet that d...
ERC20 allowance on Ethereum, Base, Arc or BNB Chain: how much a spender may move from an owner, raw and in token units, and whether the approval is effectively unlimited. Pass ?token=&owner=&spender=&chain=
Wallet nonce on Ethereum, Base, Arc or BNB Chain: the confirmed transaction count, the next nonce to use and how many transactions are pending. Pass ?address=&chain=
Gas estimate before you send, on Ethereum, Base, Arc or BNB Chain: pass ?to=&from=&data=&value= and get the gas units, the gas price and the fee in the native coin, or the revert reason if the transaction would fail. Not...
Detect language, formality and tone of a text with confidence scores. Deterministic heuristics + compact wordlists. Returns iso_639-1 + register. — $0.001 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no...
Ethereum gas prices: rapid, fast, standard, and slow tiers in gwei plus ETH spot price. Use when an agent must time transactions or estimate fees before submitting on-chain operations.
Hyperliquid kPEPE mark, OI, funding. No parameters.
Fetch eth_getLogs results for a chain/address/topic filter, with automatic fallback across multiple public RPC endpoints.
Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass token symbols or 0x addresses (or a default common set); on oth...
ERC-20 token metadata on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): name, symbol, decimals and totalSupply (raw + human), read live from contract state by address.
Is an address a contract or an EOA on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base)? Returns is_contract, deployed code size in bytes, and the keccak256 code hash (eth_getCode).
Look up a transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): from/to/value/nonce/gas, block, and receipt fields (status, gasUsed, logs count). Pending/not-found handled.