Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.

Search UK postcodes by free-text address or place query; returns up to 100 matching postcode records.

Historical fiat exchange rates for a given date (YYYY-MM-DD, back to 1999-01-04) and base currency; optionally restrict to specific targets.

Capture a full-page (scrolled) PNG screenshot of an http(s) URL; returns a JSON envelope with the PNG base64-encoded under image_base64, plus final_url, title, viewport, and size.

Extract schema.org structured data from a public HTML page: JSON-LD (@graph flattened), top-level microdata, and Open Graph / Twitter meta. Normalizes Product/Offer, Article, Organization, Event, FAQ, and breadcrumbs. POST JSON {"url":"https://example.com"}. No structured data is HTTP 200 with empty arrays, not an error. Public http(s) only. $0.01 USDC on Base (eip155:8453). No API key.

Turn a 4-byte function selector or full calldata into its human-readable function signature, and (when calldata is present) the decoded argument values. Supply an `abi` for a fully deterministic offline decode, or omit it to look the selector up in public signature registries. Reads with automatic fallback.

minia2a service: x402-publish-1790058399583-adversarial-claim-ve

Search the official UK company register (Companies House) by company name. Returns up to 10 matches with company number, status, incorporation date and postcode.

Return live cross-exchange perpetual funding rates and the largest annualized funding divergences.

Verify if a person meets a minimum age requirement based on their date of birth. Returns exact age, whether the threshold is met, and days until the threshold (if not met). Accounts for leap years.

Validate invoice data: VAT number format, line item math, tax calculations, EU compliance requirements.

Search job listings from national public employment services — Sweden (Arbetsförmedlingen), France (France Travail), US federal jobs (USAJOBS). Returns title, company, location, salary, URL.

Agent economy market report - what AI agents actually pay for. Daily snapshots of the ENTIRE x402 bazaar + MCP registry: total revenue and payers with week-over-week change, top gaining and losing services, new launches that already have paying customers, delisted services, revenue by price band. x402 analytics, API marketplace stats, agentic commerce data, competitor tracking for agent tool sellers. ?days=7 (1-60). Free sample: /market/example.

Country by ISO code. 🆓 5 free trial calls per signed wallet

Combined domain check: SSL cert validity (issuer, expiry, days remaining) + HTTP headers. Two checks, one call. $0.005/call, 5 free trials.

Purpose-bound WordPress observation (cms) using the existing fresh Stack-Monitor. Returns stack_wordpress_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.

Search worldwide patent publications via the European Patent Office's Open Patent Services (OPS). Pass a CQL query (e.g. ti=quantum computing, in=tesla, pa=siemens, cpc=H01M, pn=EP1000000) and get matching publications with country, document number, kind code, and a combined publication number, plus the total result count. Covers EP + 100+ patent authorities worldwide — net-new vs our US-only patents.search.

Check a BNB Smart Chain wallet's ERC-20 approvals: allowances for 8 major tokens (USDT, USDC, WBNB, BUSD...) to common spenders (Permit2, PancakeSwap v2 Router, PancakeSwap Smart Router, PancakeSwap Universal Router...); flags unlimited approvals.

Heuristic risk flags for a Ethereum contract from free public data: Sourcify verification, upgradeable proxy + admin, owner type, mint/pause/blacklist/fee selectors, bytecode size. Not an audit or financial advice.

Heuristic risk flags for a BNB Smart Chain contract from free public data: Sourcify verification, upgradeable proxy + admin, owner type, mint/pause/blacklist/fee selectors, bytecode size. Not an audit or financial advice.