x402 services ranked by 30-day on-chain settlement volume, optionally by category.

Liquidity depth history, all published rows, JSON. Hourly observations of public USDC liquidity per payment platform and currency: listed depth, sellers, best premium, largest order near mid-market and depth within 0.5%, 1%, 2% and 3% of mid-market. Past hours cannot be reconstructed, so coverage starts at the first observation.

Trust Bundle: should I trust this outside agent, wallet or token before I pay, trade or let it through? One call returns allow / caution / block, a 0-100 trust score and plain-English reasons. Combines the Counterparty Check (wallet profile, exchange labels, wallet age, whale history, spam/junk filters, token contract checks) with the token security verdict (honeypot, taxes, owner/proxy flags) when the address is a token. Chains: base (default), ethereum, solana. Cached 10 min; no charge on bad input or RPC failure

Liquidity depth history, 2026-10, JSON. Hourly observations of public USDC liquidity per payment platform and currency: listed depth, sellers, best premium, largest order near mid-market and depth within 0.5%, 1%, 2% and 3% of mid-market. Past hours cannot be reconstructed, so coverage starts at the first observation.

Purchase full dataset 'Base New Token Security Scan: Honeypot, Tax & Owner Risk Score' (30 records)

Purchase full dataset 'Live US Stocks & ETFs Snapshot: Price, 1d/5d Change, 52w Range' (93 records)

Counterparty Check: before you pay or trade, send one wallet or token and get a safe / caution / block verdict, a 0-100 safety score and plain-English reasons. Auto-detects token vs wallet. Combines on-chain token contract checks (copycat/impostor symbol, owner, upgradeable proxy, Solana mint/freeze authority), holder concentration (Solana), wallet profile (exchange label, age, activity), the store's 30-day whale history and its spam/junk-token filter. Chains: ethereum, base, solana. Cached 10 min; no charge on bad input or RPC failure

Weekly seller rates, all published rows, JSON. Realised seller premiums against the ECB reference for every ISO week since the first Base fill, per route and per currency. Route-weeks that fail the publishing rules keep only the reason; a currency-week aggregates only that week's published routes, so it never reveals a withheld one.

New trading pools created on Base in the last N minutes on Uniswap v4, Uniswap v3 or Aerodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.

Rug check and due-diligence snapshot of an ERC-20 token on Base: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3 or Aerodrome. Facts only, no buy or sell opinion.

New trading pools created on Arbitrum One in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.

Rug check and due-diligence snapshot of an ERC-20 token on Arbitrum One: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.

Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.

New trading pools created on Polygon PoS in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with POL, WPOL or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.

Rug check and due-diligence snapshot of a Solana SPL or Token-2022 token: a 0-100 risk score with reasons, name, symbol, supply, mint and freeze authority, Token-2022 controls (permanent delegate, transfer fees, transfer hook, pausable), metadata mutability, top-holder concentration split into wallets and program accounts, and USD price, liquidity, volume and pools from Jupiter and DexScreener. Facts only, no buy or sell opinion.

Crypto Due-Diligence quick check on a token or wallet: recommendation (allow / caution / avoid) with confidence, trust score, top 3 red flags, on-chain DEX liquidity and holder concentration, with explorer proof link. Deterministic, built from the store's own on-chain signals. Chains: base (default), ethereum, solana. Upgrade to /v1/dd/report for the full report. Cached 10 min; no charge on bad input or failure

New trading pools created on Ethereum in the last N minutes on Uniswap v4, Uniswap v3: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.

New trading pools created on OP Mainnet in the last N minutes on Uniswap v4, Uniswap v3 or Velodrome: both tokens with symbol, name and decimals, fee tier, v4 hooks, whether it pairs with ETH, WETH or USDC, and quote liquidity where readable. Unvetted: many new pools are spam.

Statutory (general) holidays for a Canadian province or territory in a given year, using the province's local names, with the actual date and the weekday it is observed when it falls on a weekend.

Rug check and due-diligence snapshot of an ERC-20 token on Ethereum: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WETH or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.