api.vextorium.com

• https://api.vextorium.com/v1/abi-decode

  Decode EVM calldata (transaction input) with the function signature you provide, checking that it matches the selector, or decode return data with its output types (e.g. uint256,address). Local calculation, no third-par…

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/abi-encode

  Encode a contract function call (calldata) from its signature and arguments, e.g. transfer(address,uint256) with [to, amount]: selector and hex data ready to sign or simulate.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/agent-readiness

  How ready a website is for AI agents: llms.txt, AI-crawler rules in robots.txt, sitemap, x402 payment discovery, OpenAPI, MCP manifest, security.txt, with a 0-100 score and concrete recommendations.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/airport-distance

  Great-circle distance between two airports by IATA or ICAO code in km, miles and nautical miles, bearing, approximate flight time and estimated economy-class CO2 per passenger.

  StellarCommerce

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/airport-lookup

  Find airports by IATA/ICAO code, name or city, or the nearest to coordinates: name, codes, city, country, coordinates, elevation and scheduled service. OurAirports open data.

  StellarCommerce

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/apr-apy

  Convert APR to APY or APY to APR for any compounding frequency (continuous, daily, hourly, per block...) and optionally project the final value and gain of a deposit over N days. Useful to compare DeFi yields.

  StellarMedia

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/arxiv-search

  Search scientific papers on arXiv (AI, physics, maths, economics...): title, authors, abstract, categories, dates and PDF link; by relevance or newest, with category filter (cs.AI, cs.CR, q-fin...).

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/atmospheric-co2

  Atmospheric CO2 concentration measured by NOAA at Mauna Loa: latest monthly ppm, yearly change, comparison with 10 years ago and with NOAA's first record (May 1974), and the recent series. U.S. Government data.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/barcode-generate

  Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing.

  StellarMedia

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/barcode-validate

  Validate EAN-8, EAN-13, UPC-A, GTIN-14, ISBN-10 and ISBN-13: check digit (and the expected one if wrong), code type, GS1 prefix and registering country, plus ISBN-10/13 conversion.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/bic-validate

  BIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/book-info

  Book data by ISBN (10 or 13) or search by title and author in Wikidata (CC0): title, authors, publisher, date, pages, language, genres and link. Covers books that have a Wikidata entry (mostly notable works).

  StellarSearch

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/broken-links

  Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/business-days

  Business days in 150+ countries and their regions: count between two dates, or the date after adding N business days, skipping weekends and official holidays, listing the holidays in the range.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/central-bank-press

  Latest press releases from central banks and financial regulators (Federal Reserve, ECB, SEC, CFTC, ESMA) in one feed by date, with title, link and summary as published; filter by source or keyword (rate, crypto, stable…

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/chain-info

  Reference data for a blockchain by its chainId: name, gas/native token, block explorers, number of public RPCs and website. Utility for multi-chain agents. Live from chainid.network (ethereum-lists, open data).

  StellarOnchain data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/classify-text

  Zero-shot text classification with local AI: pick the best label (or several) from your own list, with confidence and reason.

  StellarAI models

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/color-contrast

  Convert a color between HEX, RGB, HSL, HSV and CMYK and, given a background, compute the WCAG 2.x contrast ratio with AA/AAA pass flags; without background, suggests black or white text.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/company-enrich

  Company profile from its domain, without personal data: website title and description, social profiles it links, technologies used, email provider (MX/SPF) and SSL certificate. Read from the company's own website and DN…

  StellarIdentity

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/company-filings

  Latest regulatory filings of a US listed company (8-K material events, 10-Q, 10-K, insider Form 4, 13D/G...) with date, 8-K items and direct document link. Optional filter by form type.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/company-fundamentals

  US listed company fundamentals from public SEC filings (XBRL): last quarters and years of revenue, net income, diluted EPS, operating cash flow, assets, liabilities, equity, cash, dividends and shares outstanding.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/contract-address-predict

  Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying announced addresses.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/coordinate-convert

  Convert coordinates between decimal degrees, degrees-minutes-seconds (40°25'00"N), UTM (zone, easting, northing) and geohash, in any direction, plus a map link.

  StellarMedia

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/country-indicators

  Key indicators of any country: GDP, real growth, GDP per capita, inflation, population, unemployment, public debt, exports, life expectancy and internet use, with the last years of each. World Bank open data.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/country-info

  Country profile: name, ISO codes, capital and its coordinates, region, income level, phone prefix, time zones and latest population and GDP per capita. World Bank and libphonenumber data.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/country-rankings

  World ranking of countries by a World Bank indicator (GDP, GDP per capita, growth, inflation, population, unemployment, public debt, life expectancy, CO2 per capita, renewables, FDI...), latest value of each country fro…

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/cron-explain

  Validate a 5-field cron expression (ranges, steps, names, @daily aliases), explain it in plain English and list its next run times in any time zone, DST-aware.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/crypto-address-validate

  Detect and validate a crypto address before sending funds: EVM (EIP-55 checksum), Solana, Bitcoin (legacy, P2SH, SegWit, Taproot), Litecoin, Dogecoin, Tron and Cosmos bech32, with its type and network. Computed locally.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/crypto-convert

  Convert an amount between the main cryptocurrencies and ECB currencies (0.5 BTC to ETH, 100 USDT to EUR, 1000 EUR to SOL) with alternative.me prices (~190 largest coins) and ECB reference rates.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/crypto-price

  Current price of up to 50 cryptocurrencies by ticker (BTC, ETH, SOL, XRP...) in USD or any ECB currency (EUR, GBP, JPY...). Covers the ~190 largest coins listed by alternative.me; currency conversion with ECB reference …

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/crypto-price-fiat

  Price of a cryptocurrency (BTC, ETH, SOL...; ~190 largest coins by alternative.me) in any ECB currency (EUR, GBP, JPY, CHF...), converted with ECB reference rates, with the time of the price.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/csv-clean

  CSV cleaning and normalization to JSON: column names, types, duplicates and empty values. Data is processed in memory and not stored.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/csv-sql

  Run a read-only SQL query (SELECT/WITH, WHERE, GROUP BY, ORDER BY, window functions...) over a CSV loaded as table «datos» in a temporary in-memory SQLite database, and get the rows as JSON.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/csv-stats

  Profile a CSV (delimiter auto-detected): rows, columns, type of each column, nulls, unique values, min, max, mean, median, std, sum, top values, duplicate rows and a sample. Understand a dataset before using it.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/cve-info

  Details of a CVE vulnerability (e.g. CVE-2021-44228) from the official CVE Program (MITRE CVE Services): title, description, severity and CVSS vectors, affected products and versions and references, with MITRE's require…

  StellarSecurity

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/date-calculator

  Date facts (weekday, ISO week, quarter, day of year, leap year), exact difference between two dates in years, months, days, weeks and Mon-Fri working days, and adding or subtracting days, months or years (end-of-month s…

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/detect-language

  Detect the language of a text without AI (55 languages, statistical langdetect model) with probability and alternatives. Fast and cheap for routing messages or choosing a translation.

  StellarDeveloper tools

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/detect-language-ai

  Language detection with local AI: ISO 639-1 code, language name, confidence and any mixed languages.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/disaster-alerts

  Natural disaster alerts in progress: worldwide M4.5+ earthquakes of the last 7 days (USGS, with PAGER alert level), tropical cyclones in the Atlantic and Eastern/Central Pacific (NOAA NHC) and flood and wildfire warning…

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/dns-lookup

  DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get the common ones at once.

  StellarIdentity

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/dns-propagation

  Check DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.

  StellarIdentity

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/doi-info

  Metadata of a publication by DOI (Crossref): title, authors, journal or publisher, year, type, citation count, references, license, link and an APA-formatted citation.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/drug-info

  US drug facts from the official label (openFDA): brands, active ingredient, uses, dosage, warnings, contraindications, interactions, pregnancy and manufacturer. Information, not medical advice.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/earthquakes

  Recent earthquakes worldwide from the USGS: magnitude, place, depth, time, PAGER damage alert, tsunami flag and felt reports; filter by minimum magnitude, period (hour to month) and distance to coordinates.

  StellarOther

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/ecb-exchange-rates

  Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/ecb-interest-rates

  European Central Bank key rates (deposit facility, main refinancing, marginal lending) with the date they took effect, the history of deposit-rate changes in basis points, and the latest €STR overnight rate. Official EC…

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/ecb-rates-history

  Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/economic-calendar

  Upcoming macro events with UTC date and time: US BLS releases (jobs report, CPI, PPI, JOLTS, wages...), Federal Reserve FOMC rate decisions and ECB monetary policy decisions. Filter by days ahead, text or high-impact on…

  StellarMarket data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/eip712-review

  Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and retur…

  StellarOnchain data

  n/a/ request

  2026-11-11

• https://api.vextorium.com/v1/email-headers

  Analyze raw email headers: sender, recipient, subject, server hops (Received) with delays, SPF/DKIM/DMARC results, Return-Path and Reply-To mismatches and spoofing signals, with a verdict. Investigate phishing or delive…

  StellarIdentity

  n/a/ request

  2026-11-11

By chain

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Unknown. Prices are decoded only for USDC on Base and Solana.