7,300 resources accept payment on this network. eip155:137
Locale facts from CLDR for a BCP 47 tag - language, region and script names, text direction, week start, calendar, plural rules and format samples
Format one number across locales - decimal, currency, accounting, percent, compact, scientific and ordinal category for up to 8 locale tags
Password strength estimate - entropy bits, 0 to 4 score, offline and online crack time, common password and pattern penalties, with suggestions
Compare two JSON documents - every added, removed, changed or retyped path with old and new values, plus a summary count by operation
Exact combinatorics with big integers - factorial, nPr, nCr, combinations with repetition, derangements and Catalan numbers for n up to 2000
Analyze a Cache-Control header - browser and CDN freshness, no-store and no-cache handling, stale-while-revalidate and conflicting directive warnings
Convert an IPv4 start and end address into the minimal list of CIDR blocks, with the first and last address and size of each block
MIME type lookup from mime-db - content type for a file extension, extensions for a type, charset, compressibility and IANA source, or search by term
Check a top-level domain against the IANA root zone - exists or not, ccTLD, gTLD or IDN type, RDAP server URLs and the current TLD count
OECD statistics via SDMX - CPI inflation by country preset or any dataflow and key, with named dimensions, units and the latest observation
NWS Area Forecast Discussion by forecast office - the meteorologists' own reasoning, key messages, near and long term outlook, aviation and marine sections
NOAA SPC severe weather outlook at a coordinate - risk category for days 1 to 3 and day 1 tornado, damaging wind and large hail probabilities
SEC EDGAR full-text search for a phrase, optionally by form type and date range - company, form, filing date, period, SIC, location and document link
Paper impact for PubMed IDs from NIH iCite - citations, Relative Citation Ratio, NIH percentile, expected rate, clinical flags and translation potential
Search US court opinions on CourtListener - case name, court, filing date, reporter citations, docket number, times cited, snippet and link
US federal grant opportunities from Grants.gov by keyword and status - agency, opportunity number, open and close dates, assistance listings and link
Statistics Norway tables by ID - list a table's variables, then pull CPI, wages, population or labour data for chosen codes and the latest periods
Finnish Meteorological Institute observations for a town - temperature, dew point, humidity, wind, gusts, pressure and rain with the last hours of data
Rank candidate strings against an input with Jaro-Winkler, Levenshtein, token-set and Soundex scores plus a verdict, for name matching and deduplication
Standardize a free-text US address to USPS abbreviations and split it into house number, street, suffix, unit, city, state, ZIP and ZIP+4
Run a JSONPath query on a JSON document - keys, indexes, slices, wildcards, recursive descent and filters - returning values and their paths
Convert XML to JSON with attributes as @keys, repeated elements as arrays, CDATA and entities handled, using a parser that rejects DOCTYPE and entities
Render Markdown to escaped, safe HTML with heading anchors, links, images and lists, plus the heading outline, link list, word count and reading time
European Central Bank series - euro area inflation, deposit and refinancing rates, Euribor, unemployment, M3, GDP growth and EUR FX rates, or any dataflow and key
