EVM Address Check x402 REST usage
EVM address checksum and validation — check an Ethereum/Base address format before sending funds.
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EVM address checksum and validation — check an Ethereum/Base address format before sending funds.
Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism)
Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism)
Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more
Token Balance Check: ERC-20 balance of any wallet address on Ethereum mainnet. Ethereum mainnet ERC-20 balanceOf. Takes query parameters token (ERC-20 contract, 0x + 40 hex) and address (holder, 0x + 40 hex). Returns the...
Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.
Token Quick Check: Ethereum mainnet contract facts -- name, supply, owner, code. Not financial advice. Returns: a token verdict preview on one token contract: the contract facts the full verdict reads -- code size, name,...
Current spot price for crypto trading pairs. Input: pair — a single pair (BTC-USD) or up to 10 comma-separated pairs (BTC-USD,ETH-USD,SOL-USD) returned in ONE call for the same price — poll a whole portfolio per tick. Re...
ENS resolve on Ethereum mainnet: pass name (an ASCII .eth name) for its forward-resolved address, or address (0x + 40 hex) for its verified reverse name. One paid call, USDC on Base.
Get on-chain facts about a Base token contract
Ethereum (ETH) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
On-Chain Bundle: multiple Ethereum mainnet reads in one paid call. Parts: eth_mainnet_erc20_totalsupply, eth_mainnet_contract_abi, eth_mainnet_eth_getcode. Returns: each named part service's own result, in one paid call,...
On-Chain Bundle: multiple Ethereum mainnet reads in one paid call. Parts: eth_mainnet_eth_getbalance, eth_mainnet_eth_gettransactioncount, eth_mainnet_eth_getcode. Returns: each named part service's own result, in one pa...
Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=reque...
Contract ABI Lookup: Ethereum mainnet ABI for any contract address. Ethereum mainnet contract ABI. Takes query parameter address (contract, 0x + 40 hex). Returns the contract's ABI as JSON when one is available for that...
Solana flow and income check: rebuilds SOL or SPL token payments into and out of a wallet or treasury from its latest transactions, groups them by payer and recipient (wallets vs program accounts such as pools and fee va...
Token flow check: every ERC-20 Transfer of one token into and out of an address (a vault, treasury, fee receiver or wallet) since block N, with totals, net, top counterparties, the largest transfers and the balance now....
Heuristic risk flags for a Ethereum contract from free public data: Sourcify verification, upgradeable proxy + admin, owner type, mint/pause/blacklist/fee selectors, bytecode size. Not an audit or financial advice.
Explain a Ethereum transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.
Ethereum: Is this token safe? Send an ERC-20 contract address, get a plain-English verdict (LOW_RISK / CAUTION / HIGH_RISK / DANGER) and 0-100 risk score from honeypot simulation, buy/sell tax, owner powers (mint, pause,...
Ethereum: Full smart-contract security scan of an ERC-20 token: honeypot, buy/sell/transfer tax, mintable, proxy, hidden owner, self-destruct, pausable, blacklist/whitelist, tax-modifiable, owner and creator share, creat...
Ethereum: Can I sell this token? Honeypot detector: simulates a buy and a sell and returns is_honeypot, can_sell, real buy and sell tax and the reason. Check before an agent buys any new token. $0.02 per call.
Ethereum: Trending DEX pools right now on Ethereum: token, price, liquidity, 24h volume, price change, transactions and pool age. $0.02 per call.
Ethereum: Newest DEX pools / token launches on a chain, minutes after creation: token, price, liquidity, volume, buys/sells and creation time. Feed for sniper and screening agents (pair with /token/verdict). $0.02 per ca...