34 APIs available. All normalized to the same response envelope. One key authenticates them all.
Current air quality index (AQI) and pollutant levels (PM2.5, PM10, ozone, NO₂) by coordinates. Free via Open-Meteo, no key required.
Live cryptocurrency and fiat exchange rates from Coinbase. Supports 150+ currencies and all major crypto assets. Free, no key required.
Country data including name, capital, population, area, region, currencies, and languages. Lookup by name or ISO code. Free, no key required.
Cryptocurrency prices, market cap, and 24h change via CoinGecko. Supports 10,000+ coins. Free, no key required for basic usage.
Live currency exchange rates for 150+ currencies. Updated hourly. Free, no key required.
English word definitions, phonetics, and meanings from the Free Dictionary API. Look up any English word. Free, no key required.
Random dog images by breed. Great for testing image display, UI demos, and placeholder content. Free, no key required.
DuckDuckGo Instant Answers — structured summaries, abstracts, and related topics for any search query. Free, no key required.
Live scores and schedules for NFL, NBA, and MLB. Free, no API key required.
Search GitHub repositories by query, language, topic, or stars. Returns top matching repos with metadata. Free, unauthenticated (10 req/min).
Look up public GitHub user profiles, repositories, and activity. No API key required (unauthenticated, 60 req/hour per IP).
Hacker News top stories and item detail. Two-step workflow: call /topstories to get a list of story IDs, then call /story?id=<id> to fetch full content for each story. Free, no key required.
Geolocate any IP address. Returns country, region, city, ISP, and coordinates. Free, no key required.
Recipe search and discovery powered by TheMealDB. Search meals by name or ingredient, browse categories. Free, no API key required. Ideal for agents building meal planning, grocery, or cooking apps.
Realistic placeholder data for testing — posts, users, and comments. Useful for prototyping and demos. Free, no key required.
Predict age and demographics from a first name based on a large dataset of real names. Free, no key required.
NASA Astronomy Picture of the Day. Returns the featured image or video with title and explanation. Free via NASA DEMO_KEY.
Search millions of books from the Internet Archive Open Library. Returns title, author, and publication year. Free, no key required.
Pokémon data including stats, abilities, types, and sprites from the PokéAPI. 1000+ Pokémon available. Free, no key required.
Public prediction market data from Polymarket — browse active markets and events on politics, crypto, sports, and current events. Prices reflect crowd probability. Market titles and descriptions are user-generated content. Free, no key required.
Public holidays for 100+ countries by year and ISO country code. Upcoming holiday lookup included. Free, no key required.
Interesting and surprising random facts. Get a random fact or the fact of the day. Free, no key required. Great for adding educational snippets to apps and agents.
Generate realistic random user profiles with names, addresses, photos, and contact info. Filter by nationality. Free, no key required. Ideal for test data and prototyping.
Sunrise, sunset, solar noon, and twilight times for any coordinates and date. Free, no key required.
Real-time sports betting odds from 40+ bookmakers (FanDuel, DraftKings, BetMGM, and more) for NFL, NBA, MLB, and 40+ sports. Moneylines, spreads, and totals. Operator key required.
Current time for any IANA timezone worldwide (e.g. America/Chicago, Europe/London). Free, no key required. Powered by timeapi.io.
Open Trivia Database — thousands of trivia questions across 20+ categories including science, history, sports, and entertainment. Filter by difficulty and question type. Free, no key required.
Generate RFC 4122 UUID v4 values. Useful for creating unique identifiers in agent workflows. Free, no key required.
Real-time weather data worldwide. Pass latitude and longitude to get current conditions. Free via Open-Meteo, no API key required. Use the geocoding API to convert a city name to coordinates.
Wikipedia article summaries by page title. Returns title, description, and extract for any Wikipedia article. Free, no key required.
World Bank economic indicators by country — GDP, population, and more. 200+ countries, historical data included. Free, no key required.
Real-time and historical stock quotes, crypto prices, and market data. Free, no API key required.
Convert city names, addresses, and place names to coordinates and vice versa. Powered by OpenStreetMap Nominatim. Free, no key required.
Top headlines and news search via GNews. Requires an operator-provided API key — contact support to enable access.
One API key unlocks all 34 APIs. No per-provider onboarding, no credential management.
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