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Pay-per-call discovery
Endpoints you can call with USDC over the x402 protocol — verified through Suverse Pay or self-listed by their operators.
562 listings
Country GDP Per Capita
GDP Per Capita for any country by ISO code as a yearly World Bank Open Data time series, no key. Returns country, year, and value. For AI agents doing macro, demographic, and cross country analysis.
$0.07 per call
Met Museum Art Search
Search The Metropolitan Museum of Art open collection by keyword, no key. Returns matching object ids and a total count. For AI agents building art discovery and culture content.
$0.06 per call
SEC Ticker To CIK Map
The full SEC ticker-to-CIK mapping for all US public companies, no key. Returns ticker, company name, and CIK for every registrant. For AI agents resolving stock tickers to SEC identifiers before…
$0.09 per call
NWS Station Latest Observation
Latest weather observation from a US National Weather Service station, no key. Returns temperature, wind, humidity, and conditions. For AI agents needing official US ground-truth weather.
$0.06 per call
Country Real Interest Rate
Real Interest Rate for any country by ISO code as a yearly World Bank Open Data time series, no key. Returns country, year, and value. For AI agents doing macro, demographic, and cross country…
$0.07 per call
USGS River Streamflow
Real-time river streamflow for a USGS monitoring site, no key. Returns the latest discharge in cubic feet per second with timestamp. For AI agents in hydrology, flood, and water management.
$0.07 per call
Country Total Labor Force
Total Labor Force for any country by ISO code as a yearly World Bank Open Data time series, no key. Returns country, year, and value. For AI agents doing macro, demographic, and cross country…
$0.07 per call
Medical Conditions Search
Search Medical Conditions from the NIH NLM Clinical Tables service by terms, no key. Returns matching codes and display names. For AI agents in health, coding, and clinical workflows.
$0.09 per call
Healthcare Organizations (NPI) Search
Search Healthcare Organizations (NPI) from the NIH NLM Clinical Tables service by terms, no key. Returns matching codes and display names. For AI agents in health, coding, and clinical workflows.
$0.09 per call
Individual Healthcare Providers (NPI) Search
Search Individual Healthcare Providers (NPI) from the NIH NLM Clinical Tables service by terms, no key. Returns matching codes and display names. For AI agents in health, coding, and clinical…
$0.09 per call
English Dictionary Lookup
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.
$0.05 per call
Recipes By Category
Recipes filtered by category from TheMealDB, no key. Returns meals in the category with thumbnails and ids. For AI agents browsing recipes by type.
$0.07 per call
Country Health Expenditure Share Of GDP
Health Expenditure Share Of GDP for any country by ISO code as a yearly World Bank Open Data time series, no key. Returns country, year, and value. For AI agents doing macro, demographic, and cross…
$0.07 per call
US Treasury Gold Reserves
US Treasury-owned gold reserves by facility from the official Treasury FiscalData service, no key, latest records. Returns location, fine troy ounces, and book value. For AI agents tracking…
$0.09 per call
OpenAlex Sources Search
Search OpenAlex sources (journals, conferences, repositories) by name, no key. Returns matching venues with ID, name, and metadata. For AI agents discovering and validating publication venues.
$0.08 per call
COVID Global Totals
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.
$0.09 per call
Country Exports Share Of GDP
Exports Share Of GDP for any country by ISO code as a yearly World Bank Open Data time series, no key. Returns country, year, and value. For AI agents doing macro, demographic, and cross country…
$0.07 per call
RxNorm Drug Products
Drug products related to a name from the NIH RxNav RxNorm service, no key. Returns concept groups with product names and RxCUIs. For AI agents enumerating formulations and strengths of a medication.
$0.09 per call
openFDA Food Recalls
Query the openFDA food recalls dataset by search expression, no key, US FDA public data. Returns matching records with structured fields. For AI agents in pharma, health, and safety research.
$0.09 per call
Domain RDAP Registration
Structured domain registration data over RDAP, the modern WHOIS replacement, no key. Returns registrar, status, nameservers, and key event dates. For AI agents doing domain due diligence, fraud…
$0.05 per call