api.vextorium.com

• https://api.vextorium.com/v1/number-base-convert

  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.

  SolanaMedia

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/number-to-words

  Write a number or money amount in words, in Spanish or English (EUR, USD, GBP, MXN), with correct Spanish apocope (veintiún, un millón de euros). For invoices, cheques and contracts.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/page-images

  Images on a page with URL, alt text, declared size, lazy loading and format, counting images without alt text and flagging missing modern formats. For accessibility and SEO audits.

  SolanaWeb data

  $0.003/ request

  2026-10-08

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

  All links on a page classified as internal or external, with anchor text, nofollow/sponsored, new-tab flags and the most linked external domains. For SEO, crawling and audits.

  SolanaWeb data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/password-strength

  Estimate password strength with Dropbox's zxcvbn: score 0-4, estimated guesses and crack time for online and offline attacks, weak patterns found (dictionary, dates, sequences...) and tips. Evaluated in memory, never st…

  SolanaSecurity

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/pendle-markets

  Pendle markets (fixed yield in DeFi): asset, maturity, days left, implied fixed APY (buying PT), LP APY and liquidity, on Ethereum, Arbitrum, Base, BNB and other chains.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

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

  Validate and normalize a phone number from any country: E.164, national and international format, type (mobile, landline, toll-free, VoIP...), country, region, original carrier and time zones. Nothing is called or store…

  SolanaIdentity

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/pii-redact

  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 …

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

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

  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.

  SolanaMarket data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/position-check

  Re-check a token you already hold against your entry: liquidity below 25% of entry, risk score drop, dangerous powers active (mint, freeze, pause...), honeypot pattern or inflated volume. Verdict CLEAN (LIMPIO), DEGRADE…

  SolanaSecurity

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/provider-status

  Live status of widely used cloud services and APIs (GitHub, Cloudflare, OpenAI, Anthropic, Discord, Vercel, npm, Twilio, DigitalOcean, Coinbase, Atlassian, Netlify, Supabase) from their status pages: overall state, affe…

  SolanaAI models

  $0.003/ request

  2026-10-08

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

  Detect whether a contract is an upgradeable proxy (EIP-1967 transparent/UUPS, beacon, ZeppelinOS, EIP-1167 minimal) and return implementation, admin and beacon. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB …

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/public-holidays

  Official public holidays of 150+ countries and their regions (Spanish autonomous communities, US states, German Länder...) for a year, whether a given date is a holiday, and the next holiday.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/public-rpcs

  Keyless public RPC endpoints (HTTPS and WebSocket) of any EVM chain by name or chainId, with block explorers, native currency and website. Lets an agent connect to any chain.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

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

  Search biomedical literature on PubMed (NIH): title, authors, journal, date, DOI, PMID and abstract of each article, newest first, with optional year filter.

  SolanaSearch

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/pypi-package

  Python package profile from PyPI: latest version and date, summary, license, required Python, author, links, dependencies, recent downloads and yanked flag.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/qr-barcode-read

  Read the codes in an image URL: QR, Data Matrix, Aztec, PDF417, EAN-13, UPC, Code 128, Code 39... with format, content and position; flags URLs, crypto payment URIs (bitcoin:, ethereum:, solana:) and wifi credentials.

  SolanaMedia

  $0.003/ request

  2026-10-08

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

  Generate a QR code as SVG or PNG (base64 and data URI) for any text, URL, payment link, Wi-Fi or vCard, with error-correction level, scale and colors.

  SolanaMedia

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/random

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

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/revoke-approval

  Build the transaction that revokes a contract's permission over an ERC-20 token (approve(spender, 0)): target and calldata ready to sign in your wallet. Nothing is sent.

  SolanaOnchain data

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/robots-txt

  Parse a site's robots.txt: whether a user-agent may crawl a path, which AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot...) are blocked, and declared sitemaps. Check before your agent scrapes.

  SolanaWeb data

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/roman-numerals

  Convert Arabic numbers to Roman numerals (1-3999) and Roman to Arabic, validating the canonical form (MCMXCIV) and suggesting the correct one.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/rss-read

  Read any RSS 2.0, RSS 1.0 or Atom feed (or find the feed a web page declares) and get clean JSON: title, link, date (ISO), author, plain-text summary and categories of each entry.

  SolanaWeb data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/satellite-passes

  Next passes of a satellite over a location (ISS by default, any NORAD id): rise, culmination and set times in UTC, max elevation, direction and whether it will be sunlit under a dark sky (visible to the naked eye). Orbi…

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/savings-plan

  Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after inflation, yearly evolution and the monthly amount needed to rea…

  SolanaOther

  $0.003/ request

  2026-10-08

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

  Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

  SolanaSearch

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/sec-company-profile

  Official profile of a US listed company from the SEC: name, CIK, industry (SIC), state of incorporation, fiscal year end, address, phone, tickers and exchanges, former names and latest filing.

  SolanaIdentity

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/semver-compare

  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.

  SolanaSearch

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/siwe-verify

  Verify a Sign-In with Ethereum (EIP-4361) login: parses domain, address, chain, nonce and dates, checks the signature and expiry, and optionally the expected domain and nonce. Authenticate users or agents by wallet.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/sol-domain-resolve

  Resolve a Solana Name Service .sol domain to its owner wallet, read directly on-chain (NFT-tokenized domains resolve to the NFT holder).

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/sol-domain-reverse

  Primary (favourite) .sol domain of a Solana wallet, read on-chain and checked that the wallet still owns it.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-account

  Solana account inspector: whether it exists, type (wallet, token account, mint, program, program data), SOL balance, owner program and data size.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-network

  Solana network status: current epoch and progress with estimated end time, slot and block height, recent TPS (total and non-vote), slot time, inflation rate, total and circulating SOL supply and node version.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-priority-fees

  Solana priority fee estimator: recent per-slot priority fees (min, median, p75, p90, max micro-lamports per CU) and total cost in SOL for a 200k-CU transaction.

  SolanaOther

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/solana-rent

  Minimum SOL for a Solana account of a given size to be rent-exempt (165 bytes = token account, 82 = mint, 0 = wallet), with common reference sizes.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-signature-verify

  Verify an Ed25519 Solana signature (Phantom/Solflare signMessage) for a message and public key; signature in base58, base64 or hex. Local computation.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/solana-slot

  Current finalized Solana slot and block height, latest block time and a recent blockhash with its last valid height, ready to build transactions.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-stake-account

  Solana stake account: SOL staked, delegated validator vote account, status (active, activating, deactivating, inactive), activation and deactivation epochs, stake and withdraw authorities and lockup.

  SolanaOnchain data

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/solana-token-balance

  Balance of one SPL or Token-2022 token in a Solana wallet, with decimals and number of token accounts.

  SolanaOnchain data

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/solana-token-search

  Search Solana tokens by name, symbol or mint with Jupiter: every match with verification, organic score, price, market cap, liquidity, holders and risk flags, to tell the real token from copycats.

  SolanaMarket data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-token-supply

  Total supply of a Solana token with decimals, mint authority, freeze authority and token program.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/solana-tx-status

  Solana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/spain-bank-account-validate

  Validate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-06

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

  Spanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/spain-cadastre-by-coordinates

  Cadastral parcel reference and address at given coordinates in Spain, to then query its data with catastro-inmueble. Official Catastro data.

  SolanaCommerce

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/spain-electricity-demand

  Daily electricity demand in Spain (MWh) for the last N days with average, peak and low days and change versus the previous half of the period. Red Electrica de Espana data.

  SolanaOther

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/spain-geocode

  Turn a Spanish address, street, town or place into coordinates with the official CartoCiudad geocoder (IGN): normalized address, municipality and INE code, province, region, postcode and lat/lon.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/spain-municipality

  Find a Spanish municipality or town by name: INE code, province, region and coordinates, with alternatives when several match. Official CartoCiudad (IGN) data.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/spain-power-co2

  Daily CO2 emissions of electricity generation in Spain (tonnes) by technology (combined cycle, cogeneration, coal...) and emission factor (tCO2/MWh) over the last days. Red Electrica de Espana data.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/spain-reverse-geocode

  Nearest address to coordinates in Spain with the official CartoCiudad reverse geocoder (IGN): street and number, postcode, municipality, INE code, province, region and cadastral reference.

  SolanaOther

  $0.003/ request

  2026-10-06

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.

The price each endpoint registered in the x402 catalogue. A listed price is a registration, not an observed charge.