Wallet Safety Checks
Is this address sanctioned? Screens a crypto address against the US Treasury OFAC SDN list's published digital currency addresses (ETH, USDC, USDT, XBT, SOL, TRX and others): the listed entity, programs and listing date on a match, or not found as of the list date. Adds whether it is a wallet (EOA) or contract on Base, Ethereum, Arbitrum, Optimism or Polygon, or a wallet or program-derived address
- Category
- Crypto & DeFi
- Starting price
- $0.001
- Paid calls · 30 days
- 154
- Unique payers · 30 days
- 145
Paid endpoints
68 endpoints, sorted by usage. Prices are per request.
- GET/optimism/gas
Current OP Mainnet gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).
$0.005Base2calls / 30d - GET/optimism/tx
Human-readable summary of a OP Mainnet transaction: status, block and time, sender and recipient, ETH value, gas used and fee, method selector, and decoded ERC-20 transfers with token symbols and amounts.
$0.005Base2calls / 30d - GET/polygon/allowance
ERC-20 allowance on Polygon PoS: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.
$0.005Base2calls / 30d - GET/polygon/balances
Native POL balance of a Polygon PoS wallet plus the balances of up to 20 ERC-20 tokens you list, formatted with each token's symbol and decimals, read live from Polygon PoS.
$0.005Base2calls / 30d - GET/polygon/contract
Identify what lives at a Polygon PoS address: wallet (EOA, including EIP-7702 delegation) or contract, which token standard it implements (ERC-20, ERC-721, ERC-1155), name and symbol, upgradeable-proxy implementation and admin, smart-wallet proxies, bytecode size, nonce and POL balance.
$0.005Base2calls / 30d - GET/polygon/gas
Current Polygon PoS gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in POL and USD of a native transfer and an ERC-20 transfer (Chainlink POL/USD).
$0.005Base2calls / 30d - GET/polygon/tx
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.
$0.005Base2calls / 30d - GET/solana/wallet
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, transactions in the last 24 hours, and the oldest transaction in the newest 1,000, with a flag when history goes further back.
$0.005Base2calls / 30d - GET/tax
Canadian sales tax breakdown for an amount in a province or territory: GST, HST, PST, RST or QST with each rate and amount rounded to the cent, plus the total. Rates are looked up for the given date (default today), so historical changes such as Nova Scotia's 2025 HST cut are handled.
$0.005Base2calls / 30d - GET/check
Is it safe to pay this address? One check before sending or accepting crypto: OFAC SDN sanctions screen, wallet age, EOA or contract, first funder and recent large transfers on Base, Ethereum, Arbitrum, Optimism or Polygon (wallet kind and activity on Solana), plus the token's 0-100 risk score when a token is given. Returns ok, caution or block with plain reasons and each check in full. Rules-base
$0.02Base2calls / 30d - GET/base/trades
Whale and large-trade tracker for an ERC-20 on Base: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Aerodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02Base2calls / 30d - GET/eth/trades
Whale and large-trade tracker for an ERC-20 on Ethereum: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02Base2calls / 30d - GET/arbitrum/trades
Whale and large-trade tracker for an ERC-20 on Arbitrum One: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02Base2calls / 30d - GET/optimism/trades
Whale and large-trade tracker for an ERC-20 on OP Mainnet: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3 or Velodrome), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02Base2calls / 30d - GET/watchlist
Re-check up to 5 tokens you hold or watch in one call, on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: each token's 0-100 risk score, level, reason codes, price, liquidity and a fingerprint. Send the fingerprints back as since to get what changed (new risks, owner or authority changes, liquidity or price moves of 10%+) and a short list of alerts. One price for the whole list, made for po
$0.01Base2calls / 30d - GET/deployer
Who launched this token, and what happened to their other tokens? A creator's launch record on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana from our own history of new pools: every token the wallet launched since 2026-10-23 with its risk score at launch and whether its liquidity was gone 24 hours and 7 days later, plus a verdict (repeat-rugger, prior-rug, serial-launcher, clean-so-far, to
$0.005Base2calls / 30d - POST/verdict
Rug Radar verdict for a token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a grade (CLEAN, MID, SKETCHY, RUGGY), a one-liner, a short take and a shareable card, built from real onchain facts: the 0-100 risk score with its reasons and the deployer's record (did their earlier tokens lose liquidity?). Same call shape as quest verdicts: POST tokenAddress with an optional requestKey, echoe
$0.01Base2calls / 30d - GET/polygon/trades
Whale and large-trade tracker for an ERC-20 on Polygon PoS: every buy and sell in the last N minutes on the token's deepest WPOL/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02Base1calls / 30d