Pay-per-call discovery

Sends one unpaid GET/POST/HEAD probe to any x402 resource URL and grades its 402 surface: ALIVE means a well-formed 402 with valid accepts and extracted minimum USD price; DEGRADED means reachable…

Historical bank failure records (name, city/state, failure date) filtered by failure year. Data from the FDIC BankFind failures API.

Returns hourly wave height, direction and period at a coastal lat/lng point from the Open-Meteo Marine API, as JSON.

Searches Magic: The Gathering cards by name and returns matching card data (mana cost, type, rarity, set) from the magicthegathering.io API.

Returns full catalog detail for one Cleveland Museum of Art artwork by numeric ID, including title, creation date, and type. Source: openaccess-api.clevelandart.org.

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

Latest ECB reference exchange rate from a base currency to one or more target currencies. Source: Frankfurter (frankfurter.dev), ECB data, keyless.

Returns the REST summary (title, description, extract) for a Wikiquote page by title. Source: en.wikiquote.org.

Returns the list of states/provinces with codes for a given country via the keyless countriesnow.space API.

Searches the Project Gutenberg catalog by author or title text and returns matching public-domain books with authors and download counts. Source: gutendex.com.

Returns the FavQs quote of the day with author and topic tags. Source: favqs.com.

Retrieve the current half-hourly Great Britain electricity generation mix as a percentage by fuel: gas, nuclear, wind, solar, hydro, biomass, coal, and imports. Keyless UK Carbon Intensity API from…

List of digital PC game stores tracked by CheapShark, with store ID, name, active flag and logo/banner images. Keyless. Use the IDs to filter deals.

List documents currently on public inspection at the US Federal Register, available before official publication. Returns titles, agencies, document numbers, and filing details from the official…

Words and phrases with a meaning similar to a given word via the keyless Datamuse API. Returns ranked results with relevance scores and part-of-speech tags. For AI agents expanding concepts,…

Structured Wikidata entity data for a given Q-id via the Wikidata API, no key. Returns labels, descriptions, aliases, claims, and sitelinks for the entity. For AI agents resolving entities to…

Machine translation between any two languages via the keyless MyMemory free tier, with explicit source and target codes. Returns the translated text plus alternative matches with quality scores. For…

Sun and Moon rise, set, transit and twilight times for a given date and location, plus current Moon phase, illumination fraction and closest upcoming phase. Powered by the keyless US Naval…

Daily marine wave summary for a lat/lon: maximum wave height, maximum wave period, and dominant wave direction, from Open-Meteo Marine.

Hourly marine wave forecast for a lat/lon: significant wave height, period, direction, plus wind-wave and swell components, from Open-Meteo Marine.