Market benchmark for an x402 category: supply (endpoints, sellers), demand (30-day payers, calls, estimated revenue), price quartiles for all and proven sellers, top sellers.

Track real-time changes to the crypto knowledge graph — new tokens listed, protocol metrics updated, investor relationships added, governance proposals created. Monitor the pulse of the crypto ecosystem as data flows in from multiple sources daily | ZWING Intelligence (https://zwing.finance) — contact: v@zwing.finance, Telegram: @valery_zzz

Cheapest cloud GPU-hour for a GPU model (H100, H200, B200, A100, MI300X, L40S, L4, A10G, A10, V100, T4) across AWS and Azure regions, on-demand or spot, plus per-provider summary and 30-day price history.

Site audit: Audit one public http or https page: Lighthouse scores, DNS, SPF, DMARC, DKIM selectors, TLS, security headers and subdomains. Verza calls a render worker and does not fetch the page itself. An empty body is a 402 when the worker can run. A private or loopback host is HTTP 400 after payment is verified and is not settled. A busy or unreachable worker is HTTP 503 with Retry-After and is not settled.

Top gaining and losing US stocks among the 10 whitelisted tickers (AAPL, MSFT, GOOGL, AMZN, NVDA, TSLA, META, NFLX, AMD, INTC), ranked by percent change, via Yahoo Finance

Every image on a page as JSON - absolute URL, alt text and size attributes (max 200)

HTML tables on a page converted to JSON - headers plus rows (max 10 tables, 200 rows each)

Schema extraction - send a URL and the fields you want (for example price, title) and get a JSON object back

PDF to Markdown - also converts Word, Excel, CSV and OpenDocument files from a URL (max 10 MB, 20,000 characters returned)

Hourly price of one cloud instance type in every region where it is sold (AWS EC2 or Azure VM SKU), on-demand and spot, cheapest region first.

Fetches a public web page URL and returns its main article content as clean Markdown with title, byline and excerpt; strips navigation, ads and scripts. Useful for RAG ingestion and LLM context.

China news in English: latest headlines from Chinese state, commercial and overseas media plus platform hot lists (public data, translated). $0.01 USDC per call.

Any RSS, RSS/RDF or Atom feed parsed into one shape: title, link, ISO date, author, summary and categories. Pass since to poll for changes.

Queue a production video render at $0.10/min USDC (billed by the second, rounded to $0.001). Same Edit JSON as staging (https://shotstack.io/docs/api/). Poll status; POST /shotstack/frames for stills at $0.002 each.

Card BIN lookup: brand, issuer, country and type for a 6 to 8 digit BIN. Only an exact bundled match is charged.

Inspect an ERC20 token contract for buy/sell tax fields, owner renouncement and basic honeypot risk flags on EVM chains. token tax, honeypot check, buy sell tax, meme coin safety, rug risk flags, rugpull detection, token audit, contract safety check Accepts payment on Base or Solana — either network works.

Skim Signal: research papers — fresh arXiv papers across the most-followed fields (AI, ML, NLP, computer vision, robotics, multi-agent systems, security, quantum) as structured items: title, abstract excerpt, authors, PDF link. Optional ?fields= filter. Refreshed on a 10-minute cycle.

Search the persisted Wirecutter recommendation database by product type, pick name, review title, category, and model tokens. Search is lexical today; pass concise, spelling-corrected product/category nouns instead of vague natural-language intent.

URL preflight - status, redirect chain, key headers, response time, robots.txt rules for the path and sitemap location

Order flow of a crypto or tokenized stock ($0.005): buy and sell volume from the taker side of on-chain swaps, buy pressure, momentum, volume versus its own baseline, anomaly flags and a signal for ETHUSD, BTCUSD, NVDA, TSLA and more, windows 1m, 5m or 15m. Use to see who is in control now.