Czech koruna exchange rates from the Czech National Bank - official daily fixing for about 30 currencies, CZK per unit, EUR, USD, GBP and more
Listing info 80/100
Search MDN Web Docs for HTML, CSS, JavaScript and Web API pages - title, one-paragraph summary, section, relevance score and a direct link
Listing info 80/100
US national debt to the penny - total public debt, public and intragovernmental split, with 30-day, 90-day and one-year change and daily growth
Listing info 80/100
Live England river and tidal gauge levels near any lat/lon from the Environment Agency - station, river, level in metres, reading time, distance
Listing info 80/100
NYC 311 service requests filtered by borough, complaint type, zip and days - the newest requests plus the top complaint types across the whole window
Listing info 80/100
Minecraft Java server status - online flag, player count and sample, version, software, MOTD, plugin and mod counts and resolved IP and port
Listing info 80/100
Linear regression on two lists - slope, intercept, r, r-squared, standard errors, p-value, 95% slope interval, equation and a prediction for a new x
Listing info 80/100
Flathub Linux app lookup - latest version and release date, licence, developer, categories, runtime, total installs and installs in the last 30 days
Listing info 80/100
Search Zenodo datasets, software and papers - DOI, creators, licence, access, views, downloads, file count and size, sorted by relevance, recency or views
Listing info 80/100
Solve volts, amps, ohms and watts from any two known values, with milliamps, kilohms and a recommended resistor wattage rating with a 2x margin
Listing info 80/100
Marketplace and payment processor fee schedule - Amazon, eBay, Etsy, Shopify, Stripe fees as percent and fixed rates, with optional per-sale seller net
Listing info 80/100
VIN decoder - make, model, year, trim, body, engine, drivetrain, plant and safety equipment for any 17-character VIN, with check-digit validation (NHTSA vPIC)
Listing info 80/100
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works