Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass token symbols or 0x addresses (or a default common set); on other networks pass explicit 0x token addresses.

One specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, cryptocurrency legal status by country, stablecoin regulation and capital controls, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 195 countries, 58 fields, verified sources. Example: /api/v1/country/JP/vat

One specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, cryptocurrency legal status by country, stablecoin regulation and capital controls, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 195 countries, 58 fields, verified sources. Example: /api/v1/country/JP/vat

Aggregate stats for a merchant

One specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, cryptocurrency legal status by country, stablecoin regulation and capital controls, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 195 countries, 58 fields, verified sources. Example: /api/v1/country/JP/vat

The most recent quality snapshot for the repository. Returns 404 if no snapshot exists.

Claude pricing table: what every Claude model costs per token right now — Claude 5, Claude Opus, Claude Sonnet, Claude Haiku — from Anthropic and every provider that resells or hosts them (Bedrock, Azure, Vertex, OpenRouter, Fireworks). Input, output, cache and batch USD per 1M tokens, sorted cheapest first, so you can compare Claude inference cost across hosts and pick the cheapest place to run one. Normalized, cross-checked, refreshed hourly.

One specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, cryptocurrency legal status by country, stablecoin regulation and capital controls, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 195 countries, 58 fields, verified sources. Example: /api/v1/country/JP/vat

$0.005/lookup. Reverse-geocode coordinates to the nearest address — lat/lng in, street address out. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Top trending prediction events by 24-hour traded volume: a normalized list with 24h and total volume, liquidity, market count, a top-market summary, close date, status and a link-back.

Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. Uses the keyed Have I Been Pwned account API; when no API key is configured the route returns available false and the keyless password and domain routes still work. Breach indicators, not a guarantee.

Search awarded US federal contracts and grants from USASpending.gov, filtered by award type, recipient, agency, NAICS, keyword and fiscal year, returning a normalized award list plus a summary.

US natural gas data from the EIA: Henry Hub spot price (daily) and weekly working gas in underground storage (Bcf, Lower 48 or region). Returns latest value, change vs the prior period (week-over-week for storage), and short history. Source: U.S. Energy Information Administration.

Perpetual-swap funding rates for an asset fused across decentralized venues (Hyperliquid, dYdX v4): each venue's current funding plus an open-interest weighted aggregate funding rate, annualized APR, the cross-venue spread and dispersion. One normalized call instead of polling each protocol and reconciling funding intervals yourself.

Market-intelligence aggregate over a normalized RWA sub-category: total TVL, the top products ranked with their TVL share, issuer concentration and the leading product's growth trend. Called without a category it returns a market-wide roll-up of every sub-category's TVL and product count. Cited to the open-data source.

The US Treasury operating cash balance (the Treasury General Account) from the Daily Treasury Statement. Returns the latest TGA closing balance, the history over a window and the computed daily change flagged as a build or a drawdown. Cited to Treasury Fiscal Data.

Static security scan of an MCP manifest or tool list. Detects tool poisoning, hidden unicode instructions, prompt injection, data-exfiltration directives, dangerous capabilities, tool shadowing and post-approval rug-pull drift. Returns a 0-100 risk score, category, per-tool findings and content hashes. Security indicators, not a guarantee.

Estimate the effective US import duty for one HTS code from one origin country. Returns the base rate (MFN or FTA), the additional trade-war layers (Section 301, Section 232, IEEPA) with their Chapter 99 provisions, the combined effective rate, and an optional landed-cost estimate.

US petroleum prices and stocks from the EIA: retail gasoline and diesel by PADD region (weekly), WTI and Brent crude spot (daily), and weekly crude/gasoline/distillate inventories. Returns latest value, change vs prior period, short history, and a region-vs-US spread.

Non-custodial swap calldata for Base: give tokenIn, tokenOut, raw amountIn, slippage and recipient; we read Aerodrome and Uniswap V3 on-chain state, pick the max-output route, and return ready-to-sign transaction calldata plus the ERC-20 approval, amountOutMin, price impact and the venues compared. You sign with your own wallet — we never hold or move funds.