163 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.
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...
Screen a crypto address (EVM/BTC/TRON etc.) against Japan MOF asset-freeze sanctions designations (外為法・資産凍結措置). Returns match status with designated-entity details and list date. Source: Ministry of Finance Jap...
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.
Resolve ENS (.eth) on Ethereum and Basenames (.base.eth) on Base, forward or reverse. Returns address, name, source, forward_verified, optional avatar.
Check the latest or current Base Mainnet block number. Use this to get the live Base block height.
Use this when you need the Solana tokens traders are watching right now. Trending Solana tokens with liquidity, 24h volume, pair age, and a short summary. Each token includes holder concentration (top-10 share), mint and...
Balance of a Bitcoin address (confirmed and pending), total received and sent, transaction count and its latest 10 transactions with net amount. Use to check a BTC payment or wallet.
Next transaction nonce of an EVM address (confirmed and pending), pending tx count, native balance, contract flag and EIP-7702 delegate. Use before signing or to detect stuck transactions.
Current USDC balance of an address on Base or Base Sepolia (balanceOf on the official Circle contract).
Check whether a Base transaction settled x402 payments (USDC transferWithAuthorization, EIP-3009): for each, the payer, the payTo address, the amount in USDC, the authorization nonce, the facilitator that sent it, and th...
Currency exchange rates and FX conversion, official ECB reference rates for USD, EUR, GBP, JPY and 25 more. Use to convert an amount between currencies with an official, citable rate: the European Central Bank's referenc...
Check whether a Base wallet holds enough USDC to pay an x402 amount (default $0.001). Returns balance, can_pay, shortfall. The checklist agents run before spending. Try GET /can-pay/sample.
Overwing Preflight for x402: should an agent sign this payment? POST the PAYMENT-REQUIRED terms and your policy; get allow, review or refuse with reasons: terms vs policy, payee vs the x402 directory and the server's own...
Drop-in OpenAI Embeddings endpoint: POST {input: string | string[], model, encoding_format: float|base64, dimensions} and get {object: "list", data: [{embedding, index}], model, usage}. Models (Cloudflare Workers AI): bg...
Profile of a Base address: wallet (EOA), EIP-7702 delegated wallet or contract; transaction count; ETH and USDC balances; its primary Basename; the token it is, if it is an ERC-20; and the x402 seller it receives payment...