Factline x402 REST usage
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...
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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...
Portfolio and activity of a Solana wallet: SOL and every SPL and Token-2022 balance with USD values from Jupiter, sorted by value, with dust, unpriced and empty token accounts summarized, plus the newest transaction time...
Human-readable summary of a Polygon PoS transaction: status, block and time, sender and recipient, POL value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.
Portfolio and activity of a Solana wallet: SOL and every SPL and Token-2022 balance with USD values from Jupiter, sorted by value, with dust, unpriced and empty token accounts summarized, plus the newest transaction time...
AI-model probability estimate for a yes/no question that resolves by a date: probability, rationale, drivers and what to watch, anchored on live prediction-market prices when they exist. Not a calibrated or track-recorde...
Pre-send safety check: is this recipient a known malicious address (caught live on Base seeding address-poisoning via zero-value transfer sprays), or a look-alike of an address you trust? Checks our continuously-updated...
Use when you need a wallet's token balances on several chains in one call: native coin plus USDC, USDT, DAI, WETH, WBTC/cbBTC on Ethereum, Base, Arbitrum and Polygon. Pass address (0x or an ENS name like vitalik.eth, res...
Ink account nonce. Read the transaction count (nonce) of a 0x address on Ink, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent anything; for...
Token transfers, Ink. List a wallet's recent transfers of one ERC-20 token (default USDC) on Ink, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction, newest first...
Scroll native balance. Native ETH balance (eth_getBalance) of any 0x wallet address on Scroll 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 scroll_...
Avalanche native balance. Native AVAX balance (eth_getBalance) of any 0x wallet address on Avalanche at the latest block, in wei and in AVAX. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use...
NFT balance, Avalanche. How many NFTs of one ERC-721 collection a wallet holds on Avalanche (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet...
Avalanche account nonce. Read the transaction count (nonce) of a 0x address on Avalanche, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent a...
Token transfers, Avalanche. List a wallet's recent transfers of one ERC-20 token (default USDC) on Avalanche, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction,...
Berachain native balance. Native BERA balance (eth_getBalance) of any 0x wallet address on Berachain at the latest block, in wei and in BERA. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use...
Berachain account nonce. Read the transaction count (nonce) of a 0x address on Berachain, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent a...
Token transfers, Berachain. List a wallet's recent transfers of one ERC-20 token (default USDC) on Berachain, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction,...
Celo native balance. Native CELO balance (eth_getBalance) of any 0x wallet address on Celo at the latest block, in wei and in CELO. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use celo_toke...
NFT balance, Celo. How many NFTs of one ERC-721 collection a wallet holds on Celo (balanceOf), with the collection's name and symbol. Use to check a holder before a token-gated action or to see whether a wallet still hol...
Celo account nonce. Read the transaction count (nonce) of a 0x address on Celo, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent anything; f...
Token transfers, Celo. List a wallet's recent transfers of one ERC-20 token (default USDC) on Celo, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction, newest fir...
Gnosis native balance. Native xDAI balance (eth_getBalance) of any 0x wallet address on Gnosis at the latest block, in wei and in xDAI. Use to check whether a wallet can pay gas or a transfer; for ERC-20 tokens use gnosi...
Gnosis account nonce. Read the transaction count (nonce) of a 0x address on Gnosis, both confirmed and including pending transactions. Use to build the next transaction or to tell whether an address has ever sent anythin...
Token transfers, Gnosis. List a wallet's recent transfers of one ERC-20 token (default USDC) on Gnosis, in and out, over the last N blocks (1-2,000, default 1,000): direction, counterparty, amount and transaction, newest...