b3f4de103f34

What do they say they sell?

Descriptions and categories below are claims from the seller's own listings, organized by the published category rule — never verified by us. Find by claim, trust by evidence: the evidence is the table above.

• Student's t distribution other auto-assigned

  Student's t distribution with df degrees of freedom (> 0). `function` selects the density (pdf), cumulative distribution (cdf) or quantile / inverse-CDF. — seller-asserted

• Local business category counts search-retrieval auto-assigned

  Count how many Google businesses fall under each category within a radius of a coordinate, optionally filtered by category or name. Returns categories ranked by business count - for local market sizing, competitor-density analysis and site-selection research. No match → empty results. — seller-asserted

• Validate BIC verification-conformance auto-assigned

  Validate a BIC/SWIFT code and decompose it into bank, country, location and branch codes. — seller-asserted

• On-chain Wallet Balance (native) data-access auto-assigned

  Native ETH / wallet balance for an address on any EVM chain: native balance (wei + ether), transaction count (nonce), and whether it's a contract or an externally-owned account (with deployed code size). Reads live on-chain data with automatic endpoint fallback. — seller-asserted

• Constant list data-access auto-assigned

  List every physical constant in the dataset, or only those in a given category (universal, adopted, electromagnetic, atomic, physico-chemical). Returns the constants, the total count and the set of available categories. — seller-asserted

• Multiply matrices other auto-assigned

  Multiply two matrices A·B. The inner dimensions must agree (columns of A equal rows of B); a mismatch or a ragged/empty matrix is a clean 400. — seller-asserted

• Simple / compound interest other auto-assigned

  Grow a principal by simple or compound interest over a number of years. Compound interest uses compoundsPerYear compounding periods (default 12, monthly). — seller-asserted

• Constant lookup trading-execution auto-assigned

  Look up a physical constant by its key (e.g. "speed-of-light"), symbol (e.g. "c") or exact name. Returns the CODATA 2018 recommended value, unit, relative standard uncertainty (0 for values that are exact by SI definition) and category. — seller-asserted

• Day of year other auto-assigned

  Return the ordinal day of the year (1..366), the number of days in that year and whether it is a leap year. — seller-asserted

• Encode JSON to MessagePack/CBOR communications auto-assigned

  Serialize a JSON value into a compact MessagePack or CBOR byte stream, returned as a base64 (default), base64url or hex string, along with the byte length. — seller-asserted

• Country flag emoji other auto-assigned

  Build the flag emoji for an ISO 3166-1 alpha-2 country code from its regional-indicator symbols (e.g. "US" → 🇺🇸). Non two-letter codes are clean 400s. — seller-asserted

• Convert color other auto-assigned

  Parse any CSS color and return it as hex, rgb, hsl, hwb, lab, lch and oklch. — seller-asserted

• CIDR membership other auto-assigned

  Test whether an IP address falls within a CIDR block. A well-formed address of a different family (or simply outside the block) returns contains=false — not an error. — seller-asserted

• Exchange rates data-access auto-assigned

  Reference exchange rates for a base currency against some or all supported currencies (latest or a historical date). — seller-asserted

• geospatial.openverbs.com/v1/tile-bounds other auto-assigned

  Compute the geographic bounding box (west/south/east/north in degrees) of a slippy-map tile z/x/y, plus its Bing quadkey. — seller-asserted

• Phonetic compare data-access auto-assigned

  Report whether two tokens sound alike under a chosen algorithm (soundex, metaphone or double-metaphone; default double-metaphone). Returns each token's codes and a boolean match. — seller-asserted

• Query string parse / build other auto-assigned

  Two directions over query strings. action='parse' decodes a query string (with or without a leading '?') into an object, collapsing repeated keys into arrays. action='build' encodes a params object into a query string, expanding array values into repeated keys; set sort=true to order keys alphabetic… — seller-asserted

• Generate QR code media-generation auto-assigned

  Render text (URL, vCard, Wi-Fi config, …) as a QR code — SVG string or PNG data URL. — seller-asserted

• Generate a UUID (v4/v7) inference auto-assigned

  Generate one or more UUIDs. Supports v4 (random), v1/v7 (time), and v3/v5 (namespaced). — seller-asserted

• Resolve reference other auto-assigned

  Resolve a relative or absolute reference against a base URL, following RFC 3986 reference resolution (e.g. base 'https://a.com/x/y' + ref '../z' → 'https://a.com/z'). The base must itself be a valid absolute URL, else a clean 400. — seller-asserted

• Readability scores data-access auto-assigned

  Compute the standard English readability formulas — Flesch Reading Ease, Flesch–Kincaid grade, Gunning fog, SMOG, Coleman–Liau and ARI — along with the underlying sentence/word/syllable statistics. Empty text is a clean 400. — seller-asserted

• DeFi Market Overview API trading-execution auto-assigned

  DeFi market overview: total value locked (USD) across all chains, the chain count, and the top chains by TVL with each chain's TVL dominance. This is DeFi TVL — not total crypto market cap. — seller-asserted

• Domain SEO traffic overview other auto-assigned

  Domain overview: estimate a domain's Google SEO footprint — total organic and paid keywords, estimated traffic (ETV), traffic cost, and how many keywords rank in the top 3, top 10 and top 100. Fast website and domain SEO traffic overview and audit. Unknown domain returns found=false. — seller-asserted

• On-Chain Reads (EVM + Bitcoin) data-access auto-assigned

  Balance and activity for a Bitcoin address (base58 1…/3… or bech32 bc1…): confirmed balance (sats and BTC), total received and sent, confirmed transaction count, and unconfirmed/pending value and tx count from the mempool. On-chain ground truth an agent cannot compute locally. — seller-asserted

• Create iCalendar inference auto-assigned

  Build a valid .ics document from event fields (summary, start/end, location, …). — seller-asserted

• Infer a JSON Schema verification-conformance auto-assigned

  Infer a JSON Schema (draft-07) from a sample document in any supported format. Types are inferred, present keys are marked required, and heterogeneous array item schemas are merged. The result validates out of the box with /v1/validate. — seller-asserted

• MIME to extension other auto-assigned

  Resolve a MIME type to its default file extension. — seller-asserted

• Mask a card number other auto-assigned

  Mask a card number for display, keeping the first six and last four digits (the PCI-permitted maximum) and replacing the rest with a mask character (default `*`). — seller-asserted

• geospatial.openverbs.com/v1/forward other auto-assigned

  Project WGS84 longitude/latitude (degrees) to Web Mercator (EPSG:3857) easting/northing in metres. Latitude is clamped to ±85.0511° (the projection's valid extent). — seller-asserted

• Reaction stoichiometry data-access auto-assigned

  Given a reaction and a known amount (moles or grams) of one species, compute the amount of a target species. The equation is balanced automatically. — seller-asserted

• List supported countries other auto-assigned

  List every ISO 3166-1 alpha-2 country code for which a postal-code pattern is available. — seller-asserted

• Generate a random MAC address inference auto-assigned

  Generate a random EUI-48 MAC address. By default it is locally-administered and unicast (safe for testing); set `local:false` for a universal-bit address or `multicast:true` for a group address. — seller-asserted

• Ordinal other auto-assigned

  Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first). — seller-asserted

• Split by a pattern other auto-assigned

  Split the input into parts on each match of a RE2 pattern. An optional limit caps the number of parts (0 = unlimited). Returns the parts array and its count. — seller-asserted

• Determinant other auto-assigned

  Compute the determinant of a square matrix via Gaussian elimination with partial pivoting. A non-square, ragged or empty matrix is a clean 400; a singular matrix simply returns 0. — seller-asserted

• HOTP (counter-based) inference auto-assigned

  Generate an RFC 4226 counter-based HMAC one-time password from a base32 secret and counter. Configurable digits (6–10, default 6) and algorithm (SHA1/SHA256/SHA512, default SHA1). An invalid base32 secret is a clean 400. — seller-asserted

• Validate French VAT number verification-conformance auto-assigned

  Validate a French VAT (TVA) number against the official company register. Validity means the SIREN exists and the company is administratively active. — seller-asserted

• Organic search competitors search-retrieval auto-assigned

  Find a domain's organic search competitors: rival domains ranking for the same Google keywords, each with the number of common keywords, average position, total ranked keywords and estimated organic traffic. For competitive SEO research. Empty results if none. — seller-asserted

• geospatial.openverbs.com/v1/to-dms other auto-assigned

  Convert a decimal-degree latitude/longitude to degrees-minutes-seconds, with hemisphere letters and a formatted string for each axis. — seller-asserted

• Look up character by name data-access auto-assigned

  Reverse lookup: resolve a Unicode character name (e.g. 'SNOWMAN', 'CJK UNIFIED IDEOGRAPH-4E2D', 'HANGUL SYLLABLE GA') to its code point. Loose whitespace/case matching. An unknown name is a successful `found:false`. — seller-asserted

• Multinomial coefficient other auto-assigned

  Multinomial coefficient (k1+k2+…)! / (k1! k2! …) — the number of ways to partition n = Σki items into labelled groups of the given sizes. The sum must be ≤ 20000. — seller-asserted

• Google Image Search media-generation auto-assigned

  Image search API - live Google Images results for a query, localised by location and language. Returns ranked images with title, direct image URL, source page URL and alt text. A google images / image search api for agents. — seller-asserted

• Duration between two dates other auto-assigned

  Compute the calendar breakdown (years, months, days, hours, minutes, seconds) between two ISO 8601 dates/date-times, plus exact totalSeconds. If end precedes start the result is flagged negative rather than erroring. — seller-asserted

• Inspect x402 endpoint data-access auto-assigned

  Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. S… — seller-asserted

• Simplify a fraction other auto-assigned

  Reduce a fraction to lowest terms and describe it: numerator/denominator (denominator normalized positive), sign, whether it is an integer, and a mixed-number form when improper. A zero denominator is a clean 400. — seller-asserted

• Loan amortization other auto-assigned

  Compute the level monthly payment, total paid and total interest of a fully-amortizing loan. Handles a 0% rate. Set schedule=true to also return the full month-by-month amortization table. — seller-asserted

• Timezone from coordinate data-access auto-assigned

  Resolve the timezone for a latitude/longitude. — seller-asserted

• HTML entity encode other auto-assigned

  Encode text to HTML entities so it can be safely embedded in markup. By default uses hex numeric references; set useNamedReferences for named entities (&, ©) or encodeEverything to encode every character. — seller-asserted

• Parse front-matter other auto-assigned

  Split YAML front-matter from a document — returns the parsed metadata object and the remaining content body. Malformed YAML is rejected as a clean 400. — seller-asserted

• edgar.openverbs.com/v1/financials data-access auto-assigned

  Company financials: one-call snapshot for a US public company (by CIK or ticker) from as-filed SEC XBRL statements — revenue, cost of revenue, gross profit, operating income, net income, EPS (basic/diluted), total assets, total liabilities, stockholders equity, cash, operating cash flow and shares o… — seller-asserted

• Build an ISO 8601 duration other auto-assigned

  Assemble an ISO 8601 duration string from individual components (years, months, weeks, days, hours, minutes, seconds) and an optional sign. All components must be non-negative and at least one must be non-zero. — seller-asserted

• Generate password inference auto-assigned

  Generate a secure random password (characters) or a wordlist passphrase. — seller-asserted

• Levenshtein distance other auto-assigned

  Levenshtein edit distance (insertions, deletions, substitutions) between two strings, plus a normalized similarity in [0,1]. Operates on Unicode code points. — seller-asserted

• ISBN check verification-conformance auto-assigned

  Validate an ISBN-10 (mod-11, trailing X allowed) or ISBN-13 (GTIN mod-10) book number. Length after removing spaces/hyphens selects the scheme. — seller-asserted

• ENS Text Records API media-generation auto-assigned

  Read an ENS name's address plus its text records (avatar, url, email, description, com.twitter, com.github and more) in one call, live from the resolver on Ethereum mainnet. Pass `keys` to fetch specific records, or omit it for a sensible default set. Only records that are set are returned. Live rea… — seller-asserted

• Descriptive summary inference auto-assigned

  Full descriptive summary of a numeric sample: count, sum, min/max/range, mean, median, mode(s), variance, standard deviation and the quartiles (q1/q3/iqr). Set sample=true for the sample variance/stdev (÷ n-1) instead of the population form (÷ n). — seller-asserted

• Address validation verification-conformance auto-assigned

  Validate a blockchain address. Supply `chain` to check against a specific chain, or omit it to auto-detect. Ethereum addresses report their EIP-55 checksum state; Bitcoin covers base58check (P2PKH/P2SH) and bech32/bech32m segwit (P2WPKH/P2WSH/P2TR). A well-formed but invalid address returns `valid:f… — seller-asserted

• Parse phone number verification-conformance auto-assigned

  Parse, validate and format a phone number — E.164/national/international/RFC 3966, region and line type (syntactic validation, no carrier lookup). — seller-asserted

• Normalize URL other auto-assigned

  Canonicalize a URL: WHATWG parsing already lowercases the host, resolves dot-segments and drops default ports; on top of that, query parameters are sorted by default and you can optionally drop the fragment or a trailing slash. Returns the normalized URL and whether it changed. — seller-asserted

• Extract structured data scraping-extraction auto-assigned

  Fetch a URL and pull out its machine-readable structured data: all JSON-LD blocks (schema.org), Open Graph and Twitter Card tags, standard named meta tags, and inline microdata items. Also returns the page title, canonical URL, language and the distinct schema.org types found. Ideal for turning a pr… — seller-asserted

• seo.openverbs.com/v1/page-intersection search-retrieval auto-assigned

  Given a set of specific page URLs, find the Google keywords those pages jointly rank for, with each page's position, URL and estimated traffic (ETV) per keyword, plus search volume, CPC, competition, difficulty and intent. Page-level, not domain-level. Optional exclude_pages narrows to keywords the … — seller-asserted

• crypto.openverbs.com/v1/derivatives trading-execution auto-assigned

  Crypto perpetual-futures data from on-chain perp DEXs: per market the funding rate (hourly + annualized %), open interest (USD and base units), mark & oracle price, 24h volume and 24h price change. Ranked by open interest; filter by `coins` or `limit`. Data source: Hyperliquid (dYdX fallback). — seller-asserted

• ISO 639 language lookup data-access auto-assigned

  Look up a language by its ISO 639-1 alpha-2 code, ISO 639-2 alpha-3 code (bibliographic or terminologic) or English name. Provide exactly one field. — seller-asserted