241 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.
Paid ERC-20 token balance on Base (cycle 225, x402 $0.01) - GET ?address=<0xWALLET> OR ?token=<0xTOKEN> OR ?token=USDC OR ?sample=1|2|3 OR POST application/json {address|token}. KEYLESS public Base JSON-RPC -- no key, no...
Decentralised exchange volumes: totals, 24h/7d/30d windows, per-chain and per-protocol breakdowns, all in one payload cached at the edge. For market-structure work and volume share screens.
Full unclaimed-crypto report for one wallet: which open airdrops, reward distributions, refunds and forgotten balances it can still claim (Uniswap 2020 UNI, Merkl on Ethereum/Base/Arbitrum/Optimism/Polygon, Doppler XDP,...
Listed or Not listed: is one wallet in "Set and Earn week one: every wallet that hired an agent, Oct 1 to 8, with tier and groups", with the tier and the row's own fields as the reason and the dataset's window as the lim...
ERC20 token balance of any wallet on Ethereum, Base, Arc or BNB Chain: pass ?address=&token=&chain= and get the raw balance, the decimals, the symbol and the balance in token units, with the block it was read at. A token...
Wallet nonce on Ethereum, Base, Arc or BNB Chain: the confirmed transaction count, the next nonce to use and how many transactions are pending. Pass ?address=&chain=
Detect language, formality and tone of a text with confidence scores. Deterministic heuristics + compact wordlists. Returns iso_639-1 + register. — $0.001 USDC/call on eip155:8453. Pay-per-call via x402 — no API key, no...
Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly in USDC.
Hyperliquid wallet analysis: liquidation price, distance to liquidation, margin, leverage, unrealized PnL, equity buffer and risk for every open perpetual position.
Address Watch for 30 days: every confirmed transaction paying to or spending from one Bitcoin address, in a private feed (web, JSON, RSS) and as phone push (ntfy). Optional feed=<id> adds the address to, or extends it in...
Wallet bundle: ETH balance + balance_usd + tx count + contract-code check for a Base mainnet address, in one call.
Real-time Base wallet forensics, KYA attestation & reputation audit: queries ETH/USDC balances, nonce count, ERC-8004 identity, EIP-3009 pipelines, sybil behavior, and circular wash-trading detection ($0.75 USDC). Input:...
Deterministic OFAC SDN & EU sanctions screening for EVM and Solana wallet addresses. Fast compliance verification for agentic payments.
Base mainnet wallet snapshot for counterparty vetting: ETH + USDC balance, tx count (nonce), EOA vs contract, and whether it holds an ERC-8004 agent identity NFT.
Portfolio of a DePIN operator or investor wallet from public data. Give network (helium) and a Solana wallet pubkey and get the hotspot count, a breakdown by subnetwork, the geographic spread, token balances (HNT, IOT, M...
One-call Farcaster profile fusion. Give one of fid or username and get back the full profile (display name, bio, picture, url, location, socials), the primary Ethereum address, every verified on-chain wallet, the custody...
Resolve a Farcaster identity to its verified on-chain wallets. Give one of fid or username and get every cryptographically verified address (Ethereum and Solana) linked to that FID, plus the in-profile primary Ethereum a...
Bidirectional Farcaster identity and wallet resolver. Give an address to get the FID it belongs to (custody address resolves keyless; a verified address needs the optional enrichment), or give a fid or username to get th...
Open Hyperliquid perpetual positions for an EVM address: per-position direction, size, USD notional, leverage, entry, mark, unrealized PnL, ROE and liquidation price, PLUS derived signals — distance-to-liquidation, accou...
Polymarket wallet intelligence for an EVM address: open positions (title, outcome, size, avg vs current price, current value, realized + unrealized PnL, redeemable), portfolio value, recent trade activity, and derived to...
Standing-state audit of a wallet's live ERC-20 token approvals. Indexes every approval the address ever granted, filters to those still live on-chain, flags unlimited, stale, scam-listed and canonical spenders, estimates...
ENS resolve (name ⇄ address), $0.001 USDC per call: Resolve an ENS name (vitalik.eth, also *.base.eth via CCIP) to its Ethereum address, or reverse-resolve an address to its primary ENS name (forward-verified), plus avat...
Fresh wallet-only Web3 reward tasks, filtered for no deposit, no signup, and no social or referral requirement.
Base or Ethereum contract address -> ABI and function list: Sourcify verification (exact/partial match), contract name, compiler, ABI, function selectors + signatures, event topics; proxies (EIP-1967, ZeppelinOS, others...