Count Korean business days between two dates (after from, up to and including to), excluding weekends and official Korean public holidays, with the holidays in range.
Romanise a Korean name every way it is spelled in practice: Revised Romanization, McCune-Reischauer, Yale, North Korean forms and common passport spellings (Lee/Yi/Rhee,…
Latest Korean export period vs the prior month and prior year at the same stage, with each major item's contribution, from Korea Customs Service statistics.
Won exchange rate for one currency on a date: KEXIM deal basis rate plus TTB and TTS, with the official date and source.
Korean law article lookup: the official text of one article of a Korean statute by law name (Korean, common abbreviation or English) and article number, from the Nationa…
Korean law: ask about a Korean statute in Korean or English and get the matching law and article text from the National Law Information Center, with the official article…
List and search podcasts
Particle ProList and search podcasts. Returns a paginated list of podcasts, with filters for topic, language, suitability tier, popularity, and format.
Xynaptic Menuisier Search — find menuisiers in any French department: official companies registry (active businesses only). GET ?dept=69 (&city= optional). Returns name,…
Fuzzy-search countries, currencies and languages by name or code
Search ISO registriesFuzzy-search countries, currencies and languages by name or code. Scope with `registry` (defaults to all). Matches are ranked exact-code/name → prefix → substring.
The most-cited papers on a topic (Crossref citation counts), for literature reviews and finding the foundational work: title, authors, year, venue, DOI, citations, abstr…
Parses any standard cron expression and computes its next 1-20 firing times in a chosen timezone, flagging malformed expressions clearly rather than letting a bad schedu…
Groups managed news feeds into events when an agent needs a compact news briefing. Supply topic, language, time window and result limit using the published schema. Retur…
Validate a French VAT (TVA) number against the official company register
Validate French VAT numberValidate a French VAT (TVA) number against the official company register. Validity means the SIREN exists and the company is administratively active.
Validate a Norwegian VAT (MVA) number against the official business register
Validate Norwegian VAT numberValidate a Norwegian VAT (MVA) number against the official business register. Validity means the entity exists and is entered in the VAT register.
Validate a Polish VAT (NIP) number against the official VAT register
Validate Polish VAT numberValidate a Polish VAT (NIP) number against the official VAT register. Validity means the taxpayer's VAT status is active (Czynny).
Validate a Latvian VAT (PVN) number against the official VAT-payers register
Validate Latvian VAT numberValidate a Latvian VAT (PVN) number against the official VAT-payers register. Validity means the number has a currently active entry in the register.
Validate a Finnish VAT (ALV) number against the official VAT register
Validate Finnish VAT numberValidate a Finnish VAT (ALV) number against the official VAT register. Validity means the entity exists and holds a live registration.
Test whether a RE2 pattern matches anywhere in the input
Test for a matchTest whether a RE2 pattern matches anywhere in the input. Returns { matched }. RE2 guarantees linear-time evaluation, so this is safe against catastrophic backtracking.…
Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word o…
similarity.openverbs.comSørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.
Encode a coordinate to a geohash and return its bounding box and 8 neighbors.
Distance and initial bearing between two coordinates
Great-circle distanceDistance and initial bearing between two coordinates.
Parse a coordinate string into decimal lat/lon
Parse a coordinate stringParse a coordinate string into decimal lat/lon. Accepts a plain decimal pair ('40.4462, -79.9822') or DMS with hemisphere letters ('40°26'46"N 79°58'56"W'). Anything unr…
Convert decimal lat/lon to a Military Grid Reference System (MGRS) string on WGS84
geospatial.openverbs.comConvert decimal lat/lon to a Military Grid Reference System (MGRS) string on WGS84. Precision is the number of digits per axis (1–5; 5 = 1-metre resolution, default 5).
Convert a UTM coordinate (zone, hemisphere, easting, northing) back to decimal lat/lon…
geospatial.openverbs.comConvert a UTM coordinate (zone, hemisphere, easting, northing) back to decimal lat/lon on WGS84.