List Polymarket category tags (id + label) used to filter markets by category (politics, crypto, sports, pop-culture). Free Polymarket Gamma data.

Documents currently on public inspection at the US Federal Register, ahead of official publication. Returns titles, agencies, doc numbers, filing details. Keyless Federal Register API. For agents tracking pending rules.

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.

Top anime ranked from MyAnimeList: title, score, rank, popularity, type, episode count and synopsis. Keyless Jikan v4. For agents surfacing the best-rated anime.

Official US Treasury quarterly reporting rates of exchange by country: currency, exchange rate, effective date. For AI agents doing government grade FX conversion, cross border accounting, and treasury compliant currency reference lookups.

Significant earthquakes worldwide in the past month from the USGS feed, no key. Returns magnitude, place, tsunami flag, time, and coordinates. For AI agents tracking major seismic events and disaster response.

Live list of everyone currently in space and their craft, with total count. Keyless Open Notify API. For agents reporting current human spaceflight.

Anime airing this season from MyAnimeList: title, type, episode count, score and broadcast info. Keyless Jikan v4. For agents tracking what is currently airing.

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.

Anime airing schedule by weekday from MyAnimeList: title, type, score and broadcast time. Keyless Jikan v4. For agents building a weekly anime calendar.

All model years available in the US EPA/DOE FuelEconomy.gov vehicle database. Returns selectable year values. Keyless FuelEconomy.gov. For agents building vehicle MPG and emissions lookups.

List Polymarket events (groups of related markets) with title, slug, description and their nested markets + odds. Filter active vs closed. Free Polymarket Gamma data.

The full CISA Known Exploited Vulnerabilities catalog, the US government list of CVEs confirmed exploited in the wild: CVE id, vendor, product, name, date added, due date. For AI agents prioritizing patching by real exploitation and enforcing deadlines.

Detect the caller's public IP address and type (IPv4/IPv6) via keyless BigDataCloud. For agents discovering their own egress IP.

List live Polymarket prediction markets: question, outcomes, outcome prices (implied probability), 24h/total volume and liquidity. Filter active vs closed, sort by volume. Free Polymarket Gamma data.

Total US public debt outstanding to the penny from official Treasury FiscalData, latest record: total debt, debt held by public, intragovernmental holdings, record date. For AI agents tracking the debt ceiling, fiscal trajectory, and macro risk.

Average interest rates on US Treasury securities (bills, notes, bonds, TIPS, FRNs) from official Treasury FiscalData, latest first: security type, rate, and record date. For AI agents tracking federal debt cost, yields, and macro rate trends.

Top active Polymarket markets ranked by volume right now: question, outcome prices (implied probability), 24h volume, liquidity. The trending prediction-market board. Free Polymarket Gamma data.

Hourly marine wave forecast for any coastal latitude and longitude from Open-Meteo: wave height, direction, and period. For AI agents in shipping, maritime logistics, offshore energy, fishing, and coastal risk needing sea state data.

Reverse-geocode lat/lon to country, state, city, locality and postcode via keyless BigDataCloud. Returns ISO codes and admin hierarchy. For agents turning coordinates into human-readable place names.