api.sitecheck-api.workers.dev

EU VAT number check: format and checksum are tested locally first (a malformed number is rejected with HTTP 400 and no charge), then the official VIES service answers wh…

Read one web page as clean Markdown (or plain text) for an LLM: the main content without menus, cookie banners and footers, plus title, description, author, published da…

E-mail pre-check without SMTP: syntax, whether the domain can receive mail (MX or implicit MX, null MX, non-existent domain), disposable domain (9,000+ domain CC0 list),…

Currency exchange rates from the European Central Bank (about 30 currencies, back to 1999): latest or a given date, amount conversion, or a daily time series between two…

PDF to text: send an https link or base64 (up to 15 MB) and get the text page by page plus title, author, page count and dates. Text PDFs only: a scanned PDF without a t…

Search Panta prediction markets (USDC on Solana) by keywords, phase or category. Compact rows: question, YES/NO implied probability from live prices, volume, close and r…

All URLs a website lists in its XML sitemaps (from robots.txt, /sitemap.xml or /sitemap_index.xml, following indexes), with lastmod, newest first. Filter by path prefix…

Legal entity lookup in GLEIF by 20-character LEI or company name (best match plus up to 5 alternatives): legal name, status, jurisdiction, addresses, registration status…

LLM chat completion with Llama 3.3 70B (fast): send messages or a prompt, up to 2048 output tokens.

IBAN validation with no network call: ISO 13616 length and structure for every country in the SWIFT IBAN registry, the mod-97 checksum, national check digits where a pub…

Domain lookup over RDAP (the successor of WHOIS) and DNS: registered or available, registrar, creation, update and expiry dates, days until expiry, age, status codes, DN…

Multilingual text embeddings (BGE-M3, 1024 dimensions) for up to 100 texts per call. For search, RAG and clustering.

Solana token check for trading agents: price, market cap, FDV, liquidity, holders, 24h volume and trades, price change, organic-trading score, verification, top-holder a…

Website audit in one call: WCAG 2.2 accessibility issues (European Accessibility Act) with fixes and a score, SEO basics, security headers and tech stack.

Speech-to-text with Whisper large-v3-turbo: send an https audio URL (or base64) up to 25 MB, get the transcript, language and timestamped segments.

Translation with Llama 3.1 8B: up to 6,000 characters per call, formatting, names, numbers and URLs kept, source language detected when not given. Language codes like en…

US product recalls in one schema from openFDA enforcement reports (food, drug, device) and CPSC: date, product, firm, reason, FDA Class I/II/III mapped to high/medium/lo…

Trending, newest, top-traded or top-organic Solana tokens (Jupiter) filtered by liquidity and 24h volume: price, market cap, liquidity, holders, volume, trades, price ch…

Website technology detection: CMS, e-commerce platform, analytics, tag managers, CDN, hosting, chat, payments, A/B testing, consent tools and the e-mail provider, each w…

Solana wallet holdings: SOL and every SPL / Token-2022 balance with name, symbol, USD price and value (Jupiter), sorted by value, plus the total in USD. Dust and unprice…

UK company insolvency notices (administrations, liquidations, winding-up petitions) from The Gazette, via our nightly cache of the last 8 days. Filter by company name or…

US workplace and environmental enforcement cases by company, state and date: OSHA inspections with penalties (US Department of Labor API) and EPA enforcement cases (EPA…

Company contact enrichment from a domain: emails (same-domain flagged), phones, social profiles, description and tech stack, read from the home, contact, about and legal…

Search the current Hacker News 'Who is hiring?' thread: companies hiring, filtered by keywords and remote, with contact emails and links.

A Wikipedia page summary by title or search words, in any language: title, short description, summary, page URL, thumbnail and Wikidata ID. For organisations, people and…

Hacker News stories or comments from the Algolia search API: keyword search (q) or the current front page (mode=front), optionally since a date. Stories give title, URL,…

A public GitHub repository: stars, forks, watchers, open issues and pull requests, license, default branch, created and pushed dates, topics, languages with shares, late…

A UK company from Companies House, by number (00445790) or name (best match plus up to four alternatives): status, incorporation date, registered office, SIC codes, acco…

Official rate and macro series in one call, by name: fed_funds, us_cpi, us_core_cpi, us_unemployment, us_10y, us_2y, us_mortgage_30y, us_gdp, wti_oil, brent_oil, henry_h…

US federal bills from Congress.gov (Library of Congress). Keyword search (q) runs over the 250 most recently updated bills of a Congress, since the API has no full-text…

Key figures per fiscal year or quarter from a company's SEC XBRL filings, the numbers it tagged itself: revenue, net income, operating income, assets, liabilities, equit…

Recent SEC EDGAR filings of a company (10-K, 10-Q, 8-K and more), found by ticker, CIK or name. A name that matches several filers returns candidates with HTTP 400, not…

Checks the check digit and structure of an identifier with no network call: ISBN-10 and ISBN-13 (with ISBN-10 to 13 conversion), EAN-8, UPC-A, EAN-13 and GTIN-14 (with t…

The language of a text with franc-min: ISO 639-3 and ISO 639-1 codes, the English name, confidence from 0 to 1, the script (Latin, Cyrillic, Arabic...) and the three nex…

A QR code for a text of up to 300 characters (a URL, Wi-Fi login or contact card), generated locally. format=svg returns the image itself as image/svg+xml; format=json r…

Mail and DNS hygiene of a domain over DNS over HTTPS: A, AAAA, MX, NS, TXT and CAA records; SPF parsed (mechanisms, the all qualifier, a lookup estimate, a warning above…

Security headers of a URL's final response: Strict-Transport-Security, Content-Security-Policy, X-Frame-Options (or CSP frame-ancestors), X-Content-Type-Options, Referre…

The redirect chain of a URL, hop by hop (at most 10 hops): each URL, its status, the Location it points to, and whether the hop goes from http to https or changes host.…

Every link on one page (anchor text, internal or external) and a status check of up to 40 of them: status, final URL after redirects, ok, and the error for network failu…

SEO and sharing metadata of one web page, read from its HTML without JavaScript: final URL and status, title and description with their lengths, canonical, robots meta,…

Build an unsigned Panta buy transaction (Solana v0, base64, plus the raw instructions) for your own wallet to sign and broadcast. SiteCheck never signs, holds keys or cu…

English text-to-speech with Deepgram Aura-2: natural voices, up to 1000 chars per call. Returns base64 MP3.

On-chain facts about an ERC-20 contract on Base (default), Ethereum, Arbitrum, Optimism or Polygon, read over RPC: name, symbol, decimals, total supply, code size, wheth…

Reads the text of an image (JPEG, PNG, GIF or WEBP, up to 4 MB) with Llama 3.2 11B Vision on Workers AI. Send an https url or base64 image, and optionally a language hin…

Camera make and model, lens, date taken, exposure (ISO, shutter, aperture, focal length), orientation, image size, software, and GPS latitude, longitude and altitude wit…

Native balance and the major tokens (USDC, USDT, EURC, DAI, WETH, cbBTC and WBTC where listed) of an EVM address on Base (default), Ethereum, Arbitrum, Optimism, Polygon…

ENS on Ethereum mainnet. A name (vitalik.eth) resolves to its address, and an address resolves to its primary name, accepted only when that name resolves back to the sam…

Best Jupiter swap route for a Solana token pair and an amount: input and output in token units, the minimum received after slippage, price impact, effective price, each…

Gas prices on Base (default), Ethereum, Arbitrum, Optimism, Polygon or Solana, or chain=all for every chain at once: the base fee and slow, normal and fast priority fees…