api.vextorium.com

• https://api.vextorium.com/abi-codificar-pago

  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.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-16

• https://api.vextorium.com/abi-decodificar-pago

  Decode EVM calldata (transaction input) with the function signature or, if omitted, by looking up the selector on 4byte; or decode return data with its output types (e.g. uint256,address).

  XRP LedgerOnchain data

  n/a/ request

  2026-10-16

• https://api.vextorium.com/accion-tokenizada-pago

  400 pay-per-call data APIs for AI agents, paid in USDC on Base or Solana via x402 v2, no API keys: on-chain reads on 12 EVM chains, Solana, Tron and TON (balances, tx, contracts, token risk verdicts, approvals, signatur…

  XRP LedgerOnchain data

  n/a/ request

  2026-10-14

• https://api.vextorium.com/adjudicaciones-pago

  Spanish public contracts awarded to a company, or by a contracting authority, from official PLACSP open data: winners, awarded amounts (VAT excluded), dates and official links. Competitive intelligence for B2B agents.

  XRP LedgerOnchain data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/aeropuerto-buscar-pago

  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.

  XRP LedgerCommerce

  n/a/ request

  2026-10-17

• https://api.vextorium.com/aeropuertos-eeuu-estado-pago

  Current delays and closures at US airports from the FAA: ground delay programs, ground stops, arrival/departure delays and closures with reason and duration; filter by IATA code (JFK, LAX, ORD...).

  XRP LedgerCommerce

  n/a/ request

  2026-10-17

• https://api.vextorium.com/aleatorio-pago

  Randomness for agents: flip coins, roll dice, draw numbers in a range, pick from a list or shuffle it. Cryptographically secure by default; with verificable=true it is derived from the latest finalized Ethereum block ha…

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/alertas-desastres-pago

  Natural disaster alerts worldwide (earthquakes, tropical cyclones, floods, volcanoes, droughts, wildfires) from GDACS, by the UN and the European Commission's Joint Research Centre: country, alert level, severity and da…

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/alquileres-ue-pago

  Year-on-year change in actual rents for housing (HICP component) for any European country, the EU or the euro area; without a country, a ranking. Official Eurostat data.

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/analizar-user-agent-pago

  Parse a User-Agent string: browser and version, OS and version, device brand and model, device type (mobile, tablet, desktop) and whether it is a bot, an AI crawler (GPTBot, ClaudeBot...) or an HTTP library.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/analizar-wallet-pago

  400 pay-per-call data APIs for AI agents, paid in USDC on Base or Solana via x402 v2, no API keys: on-chain reads on 12 EVM chains, Solana, Tron and TON (balances, tx, contracts, token risk verdicts, approvals, signatur…

  XRP LedgerOnchain data

  n/a/ request

  2026-10-14

• https://api.vextorium.com/anonimizar-texto-pago

  Redact personal data from text without AI: emails, phone numbers, IBANs, card numbers (Luhn-checked), Spanish DNI/NIE, IPs, crypto addresses and URLs, replaced by labels ([EMAIL_1]) or asterisks. Before sending text to …

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

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

  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.

  XRP LedgerMedia

  n/a/ request

  2026-10-17

• https://api.vextorium.com/arxiv-buscar-pago

  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...).

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/base-numerica-pago

  Convert integers of any size (signed) between bases 2 to 36: binary, octal, decimal, hex, base32, base36, with bit and byte length and two's complement. Accepts 0x/0b/0o prefixes.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/boe-sumario-pago

  Spanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement)…

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/borme-actos-pago

  Company acts registered in Spain's Commercial Registry (BORME section A) for a province and day: new companies with business purpose, address and share capital, dissolutions, insolvencies, capital increases, moves... Fi…

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/cabeceras-email-pago

  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…

  XRP LedgerIdentity

  n/a/ request

  2026-10-17

• https://api.vextorium.com/cabeceras-seguridad-pago

  Website security headers audit: HTTPS, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and cookie flags, with a score.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-liquidacion-prestamo-pago

  Collateralized DeFi loan (Aave/Compound style): health factor, current LTV, collateral liquidation price, drop it can withstand, extra borrowing room and how much to repay or add to reach a 1.5 health factor.

  XRP LedgerOnchain data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-margen-pago

  Pricing calculator: from any two of cost, price, margin or markup it computes the rest, profit per unit and total, and the price with VAT. Avoids the classic margin vs markup confusion.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-perpetuo-pago

  Perpetual futures calculator (isolated margin): liquidation price and distance, notional and size, PnL at stop-loss and take-profit, reward/risk ratio, and position sizing to risk a fixed USD amount.

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-pnl-pago

  Trade result: gross and net profit or loss after entry/exit fees and funding, return on margin, price change, break-even price and notional. Long or short, with leverage.

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-prestamo-pago

  Loan or mortgage with French amortization (fixed installment): monthly payment, total paid, total interest, approximate APR (TAE) including fees, and a yearly or monthly amortization schedule.

  XRP LedgerCommerce

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calculadora-staking-pago

  Staking rewards: final amount, total rewards and average per day and month, with daily compounding or simple, after validator commission, in tokens and optionally in USD.

  XRP LedgerOnchain data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calcular-fechas-pago

  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…

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calcular-iva-pago

  Standard and reduced VAT rates of any EU member state, and an invoice breakdown (net, VAT, gross) from a net or VAT-inclusive amount, flagging rates that are not in force there.

  XRP LedgerCommerce

  n/a/ request

  2026-10-17

• https://api.vextorium.com/calendario-economico-pago

  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…

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/cambio-precio-tokens-pago

  Price change in % of up to 20 tokens over 1h, 24h, 7d, 30d, 90d or 1y, sorted from best to worst, with current price. Symbols or chain:contract ids. DefiLlama data.

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/carburantes-ue-pago

  Average price with taxes of petrol 95, diesel, heating oil and LPG in each EU country (European Commission Weekly Oil Bulletin), in EUR per litre, sorted cheapest first.

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/certificado-ssl-pago

  TLS certificate of a domain: issuer, validity dates, days until expiry, names covered (SAN), whether it matches the domain and is trusted, TLS version and cipher. For uptime and security monitoring.

  XRP LedgerIdentity

  n/a/ request

  2026-10-17

• https://api.vextorium.com/clasificar-pago

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

  XRP LedgerAI models

  n/a/ request

  2026-10-17

• https://api.vextorium.com/co2-atmosferico-pago

  Atmospheric CO2 concentration measured at Mauna Loa (NOAA): latest monthly ppm, yearly change, comparison with 10 years ago and with 1958, and the recent series.

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/codificar-pago

  One endpoint for hashing and encoding: sha256, sha512, sha3, keccak256, md5, sha1, blake2, ripemd160, crc32, all-hashes-at-once, HMAC, base64/base64url, hex, URL and base58 encode/decode, JWT decode (with expiry check) …

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/codigo-postal-pago

  Postal code lookup in more than 60 countries (ES, US, DE, FR, GB, IT, MX, BR...): places, province or state and coordinates.

  XRP LedgerOther

  n/a/ request

  2026-10-17

• https://api.vextorium.com/color-contraste-pago

  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.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/comparar-json-pago

  Deep comparison of two JSON documents: added, removed and changed values with their exact path, optionally ignoring list order. Detect changes in API responses, configs or data snapshots.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/comparar-listas-pago

  Compare two lists (emails, IDs, wallets, SKUs...): items in both, only in A, only in B, duplicates within each and union, with counts. Up to 100,000 items per list.

  XRP LedgerOnchain data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/comparar-versiones-pago

  Sort Semantic Versioning 2.0 versions (pre-releases included), give highest and lowest, the bump type between two, and which satisfy an npm-style range (^1.2.0, ~1.2, >=1.0 <2.0, 1.x || 2.x) plus the best match.

  XRP LedgerSearch

  n/a/ request

  2026-10-17

• https://api.vextorium.com/comprobar-enlaces-pago

  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.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-16

• https://api.vextorium.com/comprobar-salud-pago

  API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/comunicados-oficiales-pago

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

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/confianza-consumidor-ue-pago

  Consumer confidence indicator (balance, seasonally adjusted) for any European country, the EU or the euro area; without a country, a ranking. Below 0 = more pessimists than optimists. European Commission surveys via Eur…

  XRP LedgerOnchain data

  n/a/ request

  2026-10-17

• https://api.vextorium.com/contar-tokens-pago

  Count the tokens of a text with OpenAI tokenizers (o200k for GPT-4o/4.1/5, cl100k for GPT-4/3.5) plus estimates for Claude, Llama and Gemini, with characters per token. Budget LLM calls and split contexts.

  XRP LedgerAI models

  n/a/ request

  2026-10-17

• https://api.vextorium.com/contrato-info-pago

  400 pay-per-call data APIs for AI agents, paid in USDC on Base or Solana via x402 v2, no API keys: on-chain reads on 12 EVM chains, Solana, Tron and TON (balances, tx, contracts, token risk verdicts, approvals, signatur…

  XRP LedgerOnchain data

  n/a/ request

  2026-10-14

• https://api.vextorium.com/contratos-eeuu-pago

  US federal government contracts by keyword (USAspending): recipient, amount, awarding agency, dates and description, largest first. For public-sector market research and competitor analysis.

  XRP LedgerOther

  n/a/ request

  2026-10-16

• https://api.vextorium.com/convertir-formato-pago

  Convert data between JSON, CSV (auto-detects ; , tab |), YAML, XML and JSON Lines. E.g. a spreadsheet CSV to JSON for an agent, or JSON to CSV for Excel.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/convertir-unidades-pago

  Convert units of length, mass, volume, area, speed, temperature, data (KB vs KiB), energy, pressure, time and power, metric and imperial, with exact factors.

  XRP LedgerDeveloper tools

  n/a/ request

  2026-10-17

• https://api.vextorium.com/cotizacion-dex-pago

  400 pay-per-call data APIs for AI agents, paid in USDC on Base or Solana via x402 v2, no API keys: on-chain reads on 12 EVM chains, Solana, Tron and TON (balances, tx, contracts, token risk verdicts, approvals, signatur…

  XRP LedgerOnchain data

  n/a/ request

  2026-10-14

• https://api.vextorium.com/cripto-convertir-pago

  Convert an amount between cryptocurrencies and currencies (0.5 BTC to ETH, 100 USDC to EUR, 1000 EUR to SOL) with live DefiLlama prices and ECB rates.

  XRP LedgerMarket data

  n/a/ request

  2026-10-17

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.