wallet-portfolio-analysis

ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC

ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds

Live wallet balance - native ETH plus any ERC20 tokens in one call via eth_getBalance and balanceOf on OneSource Ethereum RPC

Returns profit and loss metrics for a blockchain address.

Read a raw storage slot from any Ethereum contract via eth_getStorageAt

Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range

Read a raw storage slot from any Ethereum contract via eth_getStorageAt

Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block

Full Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value, calldata, block

Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction

Transaction receipt via eth_getTransactionReceipt - status, gas, and event logs for a mined Ethereum transaction

Marine meteorological and oceanographic conditions database. Access high-resolution daily projections for wave heights (max, wind waves, swells), wave directions, ocean wave periods, and dominant sea surface swells for coastal or open ocean locations. Critical for shipping route optimization, marine construction, surfing forecasting, and coastal geointelligence.

Complete DeFi portfolio snapshot for any wallet address in one call. Aggregates wallet balance and token holdings (Viem + Blockscout), on-chain risk score and flags, top USDC DeFi yields available on the chain (DefiLlama), and current gas prices — all fetched in parallel. Ideal for DeFi agents, portfolio trackers, and risk-aware execution engines.

Exact-match OFAC wallet screening and crypto wallet sanctions check for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or clear status, asset coverage, sanctioned entity metadata, sanctions programs, list source, listing date, and a manual-review signal for onchain payment and treasury controls.

A wallet's open Polymarket positions. Pass the wallet (proxy) address; cap with limit. Each position returns the market title + outcome, share size, average vs current price, initial vs current USD value, unrealized USD P&L and percent P&L, whether it's redeemable, and the conditionId/slug. For inspecting any trader's live book (e.g. a wallet from predict.leaderboard or predict.whales). Read-only from Polymarket's Data API.

Returns funding payment history and details for a specified wallet address on a perpetual futures exchange.

Bitcoin address summary (free/keyless): confirmed balance (sats + BTC), total received/sent, transaction count, funded/spent output counts, and pending mempool balance + tx count. Works for any BTC address (legacy, SegWit, Taproot). Net-new — our on-chain reads were EVM-only.

Transaction history for an Ethereum address (via Etherscan V2). Returns normal transactions newest-first: hash, block, timestamp, from/to, value (wei + ETH), gas used, gas price, decoded method id + function name, error flag, and any contract created. Paginate with page + offset; bound with startBlock/endBlock. Defaults to Ethereum mainnet; other EVM chains are reachable by chainId where upstream coverage allows. Net-new vs crypto.tx (single-hash receipt).

Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless). Returns the native-coin balance and, for any ERC-20 contract addresses you pass, the symbol, decimals, raw and human-formatted balance — fetched in one multicall. For wallet dashboards, treasury checks, and agent payment/settlement flows.

Full clearinghouse state for a Hyperliquid wallet: positions, margin, PnL, leverage, liquidation prices.

Returns trades for a specified wallet address as the trader (default) or maker, with optional filtering by token, paired token, pair, side, block range, or timestamp range.

A Polymarket trader's portfolio by wallet address: total portfolio USD value plus open positions (market title, outcome, size, average vs current price, current value, and unrealized PnL). For tracking a wallet's prediction-market book. Read-only from Polymarket's Data API.

Native coin balance for any address on Ethereum, Base, Arbitrum, Optimism or Polygon, optionally an ERC20 token balance with symbol and decimals. wallet balance, eth balance, erc20 token balance, check address balance, multichain balance

Check when a wallet address made its first transaction. Returns the wallet's age in days. A new wallet transacting large amounts is a red flag. Supports Ethereum, Base, and other EVM chains via Etherscan V2.