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Render any public URL in a real browser (Chromium): markdown text plus screenshot and evidence URLs. $0.005 USDC on Base per call.

8 Things That Tripped Me Up Implementing x402

Ratatouille demo hello world: returns a greeting and a timestamp.

Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.

Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

Monitor recent official Israeli company-registry changes for an exact nine-digit company number. Returns filing and status-change events newest first, with dates, deterministic categories, source URLs, and checked_at. Use for counterparty monitoring, supplier due diligence, onboarding refreshes, corporate-event alerts, and registry change detection. Coverage is approximately one year.

List a country's holidays for a calendar year (optionally by state/region, language and type).

One DNS Doctor bulk scan of 2-50 domains in a single call, priced per domain.

Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a testnet address dressed as mainnet, or a listing whose price no longer matches its challenge. Returns a verdict — live, degraded, trap, testnet or dead — a 0-100 risk score, and the specific findings behind both, so an agent can decline a bad endpoint instead of learning about it by lo

dappgrade score — front-end integrity verdict for an onchain app, looked up by contract address. Inspects the app's public web front-end, not contract bytecode or admin control. Returns ok / caution / avoid / unknown with the coverage the verdict rests on.

cron402: create a cron job that calls your webhook on a schedule. $0.008 includes 1 run credit; each subsequent run costs 1 credit (top up at /v1/crons/topup/{pack}).

URL-to-Markdown web extraction and context compression for AI agents. Fetch a public web page and return clean, task-relevant, citation-verifiable LLM context with exact excerpts, locators, hashes, and estimated tokens saved. Use before an agent summarizes, answers questions from, or cites a long or noisy URL. Deterministic and model-free. Public HTML only; no PDFs, logins, or JavaScript-only page

Perform the chant: 'All hail the Magic Conch!' The club responds: 'Hooray for the magic conches!' That is all this does, and it is enough.

Token flow check: every ERC-20 Transfer of one token into and out of an address (a vault, treasury, fee receiver or wallet) since block N, with totals, net, top counterparties, the largest transfers and the balance now. Use it to check claims like 'x% of every trade lands in the vault'. Ethereum, Base and Robinhood Chain. Independent, by Blockpin; not a Claus Network service.

Pre-execution decision for a metered search or browse tool call. Evaluates the proposal; does not execute the external tool.

Upcoming Federal Reserve FOMC meetings, press conferences, speeches, testimony and releases with ET times, speakers and a market-moving flag.

Fetch one public HTML page → Markdown. robots.txt + SSRF guard + 1 MB / 5 s caps (amp port). Refusals 400 charged:false; fetch failures 502.

Parse markdown: outline, frontmatter, tables, fences, links, lists. Optional polite URL fetch.

Demo endpoint for x402 resource discovery

Fetch a Wikidata entity by Q-id: label, description, aliases and its claims (property → values).

Work tCO2e Accounting (CDP-settled mirror) — ecological accounting guidance from the production settle-to-retire mapping for a work type. NOT a credit, NOT a retirement.

Fetch a URL and extract structured metadata from its HTML: title, description, canonical URL, language, favicon URL, RSS/Atom feed links, Open Graph tags (og:title, og:image, og:type, og:description, og:url), Twitter Card tags, and other meta tags (author, keywords, robots). Use this to get Open Graph data, preview cards, or site information without parsing HTML yourself. Send {"url": "https://...

DryScout01 Hello by RunMyData: paid x402 connectivity check on Base mainnet ($0.001 USDC). Returns {"status":"ok"}.

Is a vendor down right now? Current outage status for one SaaS vendor. $0.01 USDC on Base per call. Returns status, active-incident summary, last-checked time, source URL and freshness fields, read live from PulseWatch. Unknown vendors return 404, not charged. Don't use this for past incidents; use /v1/incidents.

Check a public URL for meaningful changes and freshness.

Nationwide interstate and long-distance household moves between any two US states, plus local moves in the DC/Maryland/Virginia area. Licensed carrier USDOT 3764697, MC 1341637. Indicative price per tariff (not a legal estimate) between any two US ZIP codes, per cubic foot by distance and size. Local hourly: DC, MD, VA only. Hands off to a free survey and written estimate. 400 on invalid input (no

Compute a SHA-256 digest for customer-supplied UTF-8 or base64-decoded bytes through a stable machine endpoint. Returns the reproducible digest through a receipted external execution.

U.S. County Business Patterns — number of businesses, employees, and payroll by industry (NAICS) and state.

Create an email validation job from a JSON list of addresses or CSV text (send exactly one). Poll its status, then fetch results as JSON or CSV. Billing counts only testable addresses, fixed at creation; unreachable, disposable and typo domains are free.

Is Stripe or another SaaS or cloud vendor down right now? Input: ?vendor=stripe (slug, name or domain). Returns status, confidence, active incidents with a summary, official status page, last-checked time and a staleness flag, read live from 60SecMonitor. $0.01 USDC on Base. Untracked vendors return 404 and aren't charged. Up to 25 vendors at once: /v1/status/batch ($0.05). Past incidents: /v1/inc