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Vextorium — The x402 Payment Engine
1,024 resources on api.vextorium.com · browse everything
Pay-per-call data APIs for AI agents: on-chain data (Base, Ethereum, Solana payments), DeFi, FX and AI text tools. USDC via x402. the operator’s own description
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- Vextorium
Value a crypto portfolio such as {"BTC": 0.1, "ETH": 2}: current value and weight of each holding and total; with a start date, its value then, return, annualiz
- Vextorium
Correlation matrix of daily returns for 2-8 crypto assets over up to 2 years, with each asset's return and annualized volatility and the least correlated pair.
- Vextorium
Backtest buying a fixed amount of a token every N days (dollar-cost averaging) since a past date: invested, units, average cost, current value, return, and comp
- Vextorium
Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after infla
- Vextorium
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.
- Vextorium
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 cra
- Vextorium
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
- Vextorium
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.
- Vextorium
Validate and normalize a phone number from any country: E.164, national and international format, type (mobile, landline, toll-free, VoIP...), country, region,
- Vextorium
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
- Vextorium
Latest trades executed by any wallet on Hyperliquid: asset, side, open/close direction, price, size, USD value, realized PnL and fee, with totals. Track a trade
- Vextorium
Hyperliquid vault (HLP or a trader's vault): APR, assets under management, PnL over 1 day, 7 days, 30 days and all time, depositors, leader commission and share
- Vextorium
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
- Vextorium
ABI of a verified EVM contract (Sourcify): every function with signature, selector, inputs, outputs and read/write flag, plus events with topic0 and proxy imple
- Vextorium
Best DeFi yields for stablecoins (USDC, USDT, DAI, USDe...): total, base and reward APY, TVL, protocol and chain, with minimum TVL and an option to exclude temp
- Vextorium
Total stablecoin market capitalization (crypto's dry powder) with series, 7/30/90/365-day change and split by peg currency (USD, EUR...). Live from DefiLlama.
- Vextorium
DeFi protocols with the largest TVL rise or fall over 1 hour, 1 day or 7 days, with minimum-TVL and category filters. Spot capital inflows, mass exits or possib
- Vextorium
TVL history of a DeFi protocol (up to 5 years): series, 7/30/90/365-day change, all-time high and drawdown from it, and current TVL by chain. Live from DefiLlam
- Vextorium
Search trading pairs on every DEX and chain by name, symbol or address: price, liquidity, 24h volume, market cap, 24h and 1h change and pair age, sorted by liqu
- Vextorium
Tokens getting attention on DEX Screener: top boosted (paid promotion, flagged as such), latest boosts or newest token profiles, with chain, address, descriptio
- Vextorium
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 0-1
- Vextorium
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
- Vextorium
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 catego
- Vextorium
SEO and sharing metadata of a page: title and description with length, canonical, robots, language, hreflang, Open Graph, Twitter Card, JSON-LD types, favicon,
- Vextorium
List the URLs of a site's XML sitemap (found via robots.txt if needed, following sitemap indexes and .gz files) with last-modified dates, optionally filtered by
- Vextorium
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, a
- Vextorium
Follow the redirect chain of a URL (up to 10 hops): status code and time of each hop, final URL, domain changes and HTTPS-to-HTTP downgrades. Unmask short and a
- Vextorium
Email security of a domain: MX, SPF (final policy, multiple-record and lookup-limit problems), DMARC (policy, subdomains, reporting), MTA-STS, TLS-RPT and BIMI,
- Vextorium
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.
- Vextorium
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 ciphe