Pay-per-call discovery

Recent on-chain trades for one Polymarket market by condition id: wallet, side, outcome, size and price. Public Polymarket Data API.

Polymarket markets filtered by a category tag id (e.g. politics, crypto, sports): question, outcome prices and volume. Public Polymarket Gamma API.

List Kalshi events (groups of related markets) with event ticker, title, category and nested markets. Public Kalshi trade-api v2.

Current open Polymarket positions for a wallet address: market, outcome, size, average price and current value. Public Polymarket Data API.

Full detail for one Kalshi market by ticker: title, rules summary, yes/no bid and ask, last price, volume, open interest and close time. Public Kalshi trade-api v2.

Top holders of each outcome token for a Polymarket market by condition id: wallet and position size. Public Polymarket Data API.

Total current portfolio value (USDC) of all open Polymarket positions for a wallet address. Public Polymarket Data API.

List Kalshi markets with ticker, title, yes/no bid and ask, last price and volume. Public Kalshi trade-api v2.

Full detail for one Kalshi event by event ticker: title, category and every nested market with prices. Public Kalshi trade-api v2.

Paginated list of Polymarket CLOB markets with token ids, tick size, min order size and order-book status. Public Polymarket CLOB API.

Look up a Polymarket market by its url slug and return question, outcomes, prices, condition id and CLOB token ids. Public Polymarket Gamma API.

Monthly interest expense on the US public debt by security type. Source: US Treasury FiscalData API, keyless.

Returns metadata for an xkcd comic by number (title, date, alt text, image URL) from xkcd.com.

Annual GDP-deflator inflation rate (%) for a country over a year range. Indicator NY.GDP.DEFL.KD.ZG. Source: World Bank Open Data, keyless.

Returns full anime details by MyAnimeList id (title, type, episodes, score, year) via the keyless Jikan v4 API.

Returns daily exchange rates from one base currency to ~160 world currencies. Source: open.er-api.com (ExchangeRate-API free, keyless).

Search Federal Register documents by free-text term and return matching rules, notices and proposed rules. Data from the Federal Register API.

List of breweries in a given US state with type, address, and geo coordinates. Source: Open Brewery DB, keyless.

Full detail for a single US court by its court id (name, citation string, dates, scrapers). Data from the CourtListener REST API.

Returns the full list of curatorial departments at the Metropolitan Museum of Art with IDs and display names. Source: collectionapi.metmuseum.org.