Search the NIST National Vulnerability Database for CVEs matching a keyword (product, vendor, technology): up to twenty CVEs with ids, descriptions, CVSS severity. For AI agents doing security research, SBOM risk checks, and vendor due diligence.

Words related in meaning to a given word from the Datamuse API, no key. Returns ranked associated words with scores. For AI agents in writing assistance, search expansion, and word games.

DeFi protocol fee revenue (24h, 7d, 30d) ranked by earnings. Protocol name, category, fees collected, treasury revenue, growth metrics. AI agent profitability ranker, business-model comparator, fee-vs-revenue analyzer, DeFi valuation API. 200+ protocols.

Historical 90-day TVL for any DeFi protocol — Aave, Uniswap, Lido, Curve, MakerDAO, Compound and 3000+ more. Daily TVL points. AI agent protocol growth analyzer, competitive positioning tool, capital-outflow detector, DeFi dashboard. DeFiLlama-powered TVL API.

Total Value Locked TVL per blockchain where DeFi exists. Chain name, current TVL USD, 24h change, 7d change, chain ID. AI agent chain growth tracker, capital rotation analyzer, Ethereum vs L2 market share, emerging ecosystem detector. 300+ chains. DeFiLlama.

Top DeFi yield farming pools by APY across 800+ protocols on all chains. Pool name, project, chain, TVL USD, current APY, base APY, reward APY, IL risk, stablecoin flag. AI agent yield bot, portfolio rebalancer, yield aggregator, treasury manager. Filter by min TVL.

Reverse-map a US latitude/longitude to its official Census geographies (state, county, tract FIPS codes and names). Pass x (lon) and y (lat). Authoritative US Census Bureau geocoder, no key required.

Map a US street address to its official Census geographies: state, county, tract, and block FIPS codes plus names. Essential for demographic joins and redistricting. US Census Bureau geocoder, no key needed.

Resolve any US latitude/longitude to its 15-digit Census block FIPS, county, and state. Lightweight and fast, the FCC block API is the standard tool for assigning points to Census geographies. Keyless and free.

Definitions, phonetics, and examples for an English word from the free Dictionary API, no key. Returns meanings, parts of speech, and synonyms. For AI agents in language, education, and writing tools.

COVID-19 case statistics for a country from the disease.sh aggregator, no key. Returns cases, deaths, recovered, active, tests, and per million metrics. For AI agents in public health dashboards and risk context.

Global COVID-19 totals from the disease.sh aggregator, no key. Returns worldwide cases, deaths, recovered, active, tests, and per million metrics. For AI agents in public health dashboards.

Historical COVID-19 case timeline for a country from disease.sh, no key, last 30 days. Returns daily cases, deaths, and recovered. For AI agents charting pandemic trends.

COVID-19 vaccine doses administered timeline for a country from disease.sh, no key, last 30 days. Returns daily cumulative doses. For AI agents tracking vaccination progress.

Resolve DNS records for a domain over Google public DNS over HTTPS, no key. Returns answers for the requested record type such as A, AAAA, MX, TXT, or NS. For AI agents in security, deliverability, and infrastructure checks.

Total population for any country by ISO code as a yearly time series from World Bank Open Data, no key: country, year, population. For AI agents sizing markets and demographics. Pipeline auto-index verification endpoint.

Terrain elevation for any coordinate from Open-Meteo's Copernicus DEM based elevation API. Returns elevation in meters. Keyless, global, fast. Useful for mapping, hydrology, routing and geospatial enrichment.

Live earthquake feed from USGS (FDSN). Query by start/end date and minimum magnitude; returns GeoJSON features with magnitude, place, time and coordinates. Keyless, authoritative seismic data for monitoring, alerting and research.

Find earthquakes near any point. Pass latitude, longitude and a search radius (km) plus minimum magnitude and start date; returns GeoJSON quake features from USGS. Keyless. Ideal for location-aware seismic risk checks.

Real-time river discharge from a USGS stream gage. Pass an NWIS site number and a period (ISO 8601 duration) to get instantaneous flow (parameter 00060) values. Keyless USGS Water Services data for hydrology and flood monitoring.

Annual inflation measured by the GDP deflator (% per year) for any country/year range. World Bank indicator NY.GDP.DEFL.KD.ZG. Pass ISO country code (path) plus optional date range. A broad alternative to CPI inflation.

Annual lending interest rate (% charged by banks to the private sector) for any country/year range. World Bank indicator FR.INR.LEND. Pass ISO country code (path) plus optional date range.

Trade openness: the sum of exports and imports of goods and services as a share of GDP (%) for any country/year range. World Bank indicator NE.TRD.GNFS.ZS. Pass ISO country code (path) plus optional date range.

Ground elevation in meters for a latitude and longitude via the Open-Meteo elevation service, no key. Returns the elevation for the point. For AI agents in mapping, terrain, drone, and outdoor planning use cases.

Current GB electricity generation mix by fuel percentage: gas, nuclear, wind, solar, hydro, biomass, coal, imports. Keyless UK Carbon Intensity API (National Grid ESO). For agents tracking the grid.

Look up a Rick and Morty character by numeric id and get name, status, species, gender and origin planet. Backed by the keyless Rick and Morty API. Pass a character id like 1 for Rick Sanchez.

Look up a Rick and Morty episode by numeric id and get its title, air date, season/episode code and the count of featured characters. Backed by the keyless Rick and Morty API. Pass an episode id like 1.

Look up a Rick and Morty location by numeric id and get its name, type, dimension and number of residents. Backed by the keyless Rick and Morty API. Pass a location id like 1.

Daily river discharge forecast for any coordinate from Open-Meteo's GloFAS-based flood API. Returns a multi-day discharge series in m3/s. Keyless, global. Useful for flood risk monitoring and hydrology agents.

Extended peak river discharge outlook for any coordinate from Open-Meteo's flood API. Returns up to 30 days of daily maximum discharge (m3/s). Keyless, global. Built for early flood-risk and basin-stress signals.

The categories of natural events tracked by NASA EONET, no key, such as wildfires, severe storms, and volcanoes. Returns category id, title, and description. For AI agents navigating natural-event data.

Open natural events worldwide from NASA EONET, no key, including wildfires, severe storms, volcanoes, and floods. Returns each event with title, category, date, and coordinates. For AI agents monitoring natural hazards and earth observation.

Crypto fear and greed sentiment index (0 extreme fear to 100 extreme greed) with classification label, 30-day history for trend analysis, timestamp. AI agent sentiment extreme detector, contrarian signal, risk-management trigger, market mood API.

The list of US federal agencies from the Federal Register API, no key. Returns agency names, ids, and slugs. For AI agents resolving and navigating US agencies.

Search US Federal Register documents (rules, proposed rules, notices, executive orders) by term, no key. Returns documents with title, type, agency, and publication date. For AI agents monitoring US regulatory activity.

Monthly and fiscal-year-to-date interest expense on US Treasury debt, broken out by security type (bills, notes, bonds, etc). Source: US Treasury FiscalData. Sorted newest first; trim page size as needed.

Monthly Statement of the Public Debt (MSPD) summary table: amounts of marketable Treasury securities outstanding by class, split into debt held by the public vs intragovernmental holdings. Source: US Treasury FiscalData. Sorted newest first.

The official US Treasury Reporting Rates of Exchange used by federal agencies to convert foreign currency balances to USD, by country and currency. Source: US Treasury FiscalData. Sorted newest first; trim page size as needed.

Look up a food product by barcode from Open Food Facts, no key. Returns product name, brand, ingredients, nutrition grade, and Nutri-Score. For AI agents in nutrition, grocery, and health apps.

Historical daily ECB FX rate for any currency pair on any date going back to 1999. Covers major + emerging currencies USD EUR GBP JPY CHF AUD CAD CNY. AI agent historical tx reconciliation, returns computation, regulatory reporting, forex backtest API.

Current FX rates for up to 30 currency pairs in one call with last-update date. USD EUR GBP JPY CHF AUD CAD CNY plus EM currencies. AI agent cross-border calculator, forex arbitrage detector, international portfolio valuation, batch currency API.

List of currencies supported by the Frankfurter ECB rate service with full currency names, no key. For AI agents validating currency codes and building dropdowns and conversion UIs.

Live conversion table from a base currency (e.g. USD) to ~160 fiat currencies in one call. Includes last-update timestamps. Source: open.er-api.com / ExchangeRate-API free tier. Pass any ISO 4217 base code as the path param.

Latest European Central Bank reference rates from a base currency to selected targets (comma-separated). Pass base and symbols as query params. Source: Frankfurter / ECB. Good for clean, citable, official daily FX.

Historical daily FX time series between two currencies over a date range (path: YYYY-MM-DD..YYYY-MM-DD). Returns one rate per business day. Source: Frankfurter / ECB reference rates. Ideal for backtests and charts.

ECB reference exchange rates on a specific historical date for a base currency via Frankfurter, no key. For AI agents reconciling past transactions and historical valuation.

Latest ECB reference exchange rate from one currency to another via Frankfurter, no key. Returns base, date, and the converted rate. For AI agents doing reliable fiat conversion, treasury, and pricing math.

Daily ECB reference exchange rate time series between two currencies over a date range via Frankfurter, no key. For AI agents backtesting FX, computing volatility, and charting currency trends.

Detailed info for a single free-to-play game by ID: full description, status, system requirements and screenshots. Keyless FreeToGame. For agents deep-diving one title.

Snap a lon,lat coordinate to the nearest routable road via public OSRM. Returns matched location, road name and snap distance for the closest N points. Keyless OpenStreetMap map-matching for agents.