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Purchase and download the Broken Key Remapper software (one-time license).

Echoes a JSON {message} back; live demand probe for x402 settlement.

Search market instruments by name or ticker. Returns matching tickers, names, exchanges and market-open status. Use the returned ticker with get_market_snapshot for the latest market data, get_market_candles for OHLCV history, or get_market_technical_analysis for written chart analysis. Popular examples include AAPL, SPY, gold XAUUSD (C:XAUUSD), EURUSD (C:EURUSD), BTCUSD (X:BTCUSD), and ETHUSD (X:

Local-only hex → utf8 / bytes32 / address / selector. No 4byte.directory. Offline. Amp port.

Independently fetch, hash, timestamp and archive a URL or API response; returns a signed certificate. Merkle-anchored on Base hourly. Neutral third-party evidence for agent commerce disputes.

Decode a 17-character VIN: ISO 3779 structural validation (check digit), WMI manufacturer lookup, model year, and NHTSA vPIC pattern decode (make, model, trim, body, engine, plant). Public-domain NHTSA data.

Remove the background from a photo. Send an image URL, get a transparent PNG cutout of the subject (BiRefNet model).

Verify whether a medical device holds an FDA 510(k) clearance. Returns cleared/not-cleared verdict with K number, device name, applicant, decision date, product code, and review panel. openFDA 510(k) data (public domain, CC0). NOTE: 510(k) is clearance, not FDA approval.

Get today's curated Word of the Day (definition + part of speech).

Highest-APY pool on Base for one asset, junk-farm filters applied

Call this before your agent buys a Solana token. One call runs five isolated checks: token risk (sell-side skim and fee/hook controls), top-holder concentration (the factor behind our bundle score), stablecoin lookalike detection, xStock status (issuer mint list, lookalikes and issuer objections), and optionally an x402 payee check (verdict ok, caution, do_not_pay or unknown). Unknown mints return

Pay for a lighthearted developer roast generated on-demand.

Screen a person or business against the HHS-OIG LEIE, SAM.gov, and 16 state Medicaid lists. Match by name, NPI, UEI, CAGE or state.

Generate AI video with Base USDC. Price depends on model, duration, and resolution. Returns a free status URL to poll.

Complete attributed investment case, claims, risks, conditions, revisions, measured outcomes and permitted evidence. Paragraph and support selectors provide requested depth. Full input/output contracts: https://beliefstate.ai/v1/research/get_belief

Did this Solana payment really arrive? Verifies that a finalized mainnet transaction credited the exact amount of a token to the payee. Signed VERIFIED, REFUTED, UNCONFIRMED or NOT_FOUND with a per field breakdown. $0.01 in USDC on Base. Free preview: GET /settle/preview

Hallo Welt der Nexari GmbH: kleinster bezahlter Test-Endpunkt, gibt Gruß, Zeit und gezahlten Betrag zurück. Hello world from Germany: smallest paid x402 smoke test, returns greeting, timestamp and paid amount. Voraussetzung/required: accept_terms_hash, business_name (B2B) – /legal/terms.json

Canonical change monitor plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

Parser-blocking script budget repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

Local events on demand from AllEvents — event name, category, date & time, venue, city, and ticket link. Get results for $0.02 per record (minimum 1, up to 100). Simply enter a city and the number of events you want. Discover concerts, workshops, festivals, and more. Powered by Techforce Global — explore more at https://techforceglobal.com

Public HTML URL to bounded Markdown, source URL, retrieval time and content hash. No JavaScript, login, PDF or CAPTCHA bypass. Unsupported or oversized content fails before settlement. Reuse request_key and the original payment proof to recover a completed response for 24 hours without another charge.

Compare two semantic versions and report which is greater (precedence-aware).

Dog and cat symptom checker / pet symptom triage for pet-owner and vet agents. Returns an urgency rating (emergency vs home-care) and home-care guidance for symptoms in dogs, cats, birds, rabbits and other species worldwide. Pet-info guide, not a veterinary diagnosis.

Scientific and academic paper search: research papers and scholarly literature from arXiv, PubMed, OpenAlex, Crossref and Semantic Scholar in one call, deduplicated and retraction-aware. Each hit: DOI, authors, venue, snippet, citation count and citations per year, type, open-access PDF link. Sort by relevance, recency, citations or impact. Keyless. For literature review and citing research.

AI Text Tools classify: Classify text into one (or several) of your own labels; the answer is always one of the labels you gave.

Mizan report card for any of 3,650 x402 operators (57,020 endpoints on file) — this call: api.loyalspark.online. Liveness across surveys, latency, x402 conformance, price demanded at the door vs price advertised in the catalogue, and for endpoints Mizan actually paid for, whether they delivered, refused, or charged and delivered nothing — with the on-chain tx. Replace the last path segment with an

Miorail x402 paid resource

One paid call on jp-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://jp-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

Inspect up to 200 IP addresses at 0.0005 USDC per address.

Author identity audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.