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Showing the 22,608 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 83,982 listings in all: 21,807 charge, 860 answered without asking, 9,832 did not reach a working endpoint, and 51,483 we have never knocked on. Type something above to search all of them.
South-facing slope orientation index derived from aspect and slope. The service evaluates the bounded polygon supplied by the caller and returns standardized units across all 30 covered countries.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
KYC screening / identity risk check in one call: a name screened against OFAC, UK and EU sanctions; an email's mailbox, disposable and role checks; a phone's validity, country and line type; an IP's country and network. Returns each result, fraud flags (sanctions hit, disposable email, VoIP, countries that disagree) and one risk level: low, review or high. Use it before onboarding a user or counterparty. Input: any of name, email, phone, ip; optional country, birth_year.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Share of ESA WorldCover 2021 pixels classified as tree cover. The service evaluates a 60 metre local analysis grid around one coordinate and returns standardized units across all 30 covered countries.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Next transaction nonce for any Ethereum wallet via eth_getTransactionCount - how many txs it has sent
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
South-facing slope orientation index derived from aspect and slope. The service evaluates a circular 250 metre neighborhood around one coordinate and returns standardized units across all 30 covered countries.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Find source-linked scientific machine-learning model records by topic. Returns metadata and provenance pointers only; model weights are not downloaded or resold, and missing licence evidence remains unknown.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Find source-linked scientific datasets by topic. Returns structured metadata pointers, declared licence fields, provenance and freshness without redistributing dataset files.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Convert between wei, kwei, mwei, gwei, microether, milliether and ether with exact BigInt arithmetic. Decimal strings of any magnitude convert without floating-point error. Use this when an agent needs to exact Ethereum unit conversion — no float errors.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Explain what an EVM transaction would actually do: decodes the calldata (ERC-20 transfers/approvals via known ABIs, unknown selectors via the 4byte directory) and simulates the call against live chain state to report the outcome — including unlimited-approval warnings — without sending anything. Use this when an agent needs to decode and simulate a transaction — before signing it.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Current gas price and base fee for any supported chain, in wei and gwei, plus the cost estimate of a plain transfer. For agents planning a transaction. Via eth_gasPrice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Base64 in both directions, including the URL-safe alphabet, with UTF-8 handled properly. Encoding is what carries payloads through headers and JSON, and x402 itself rides on it.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Returns real-time temperature, wind speed, precipitation, and weather condition codes for any global coordinate pair.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Return an extended scripture-grounded examination and repair-oriented reflection. It accepts no confession narrative or identity information and provides no absolution.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Fetch current US AQI, European AQI, particulate, carbon monoxide, nitrogen dioxide, and ozone values for a geocoded location.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Fetch a current third-party aggregated model-pricing snapshot from LiteLLM. Buyers should verify final pricing with each provider.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Run an agent security and AI discovery readiness audit for a public site, checking the manifests and files agents use to discover, understand, and purchase. Returns a deterministic score, evidence, and repair recommendations.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Finds words that rhyme with, mean similarly to, or sound like a given word.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Queries the open MusicBrainz music encyclopedia for artist discographies, release groups, ISRC codes, and ISNI identifiers.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
All 27 EU countries compared: unemployment, inflation, household electricity and gas prices, strongest list in the 2024 European election. Use when comparing EU countries on unemployment, inflation, energy prices or European election results. Source-attributed, German data, updated every six hours.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
GlianaAI - pay-per-call AI: LLM chat (OpenAI-compatible), image, video, music, speech - 100+ models, no signup, USDC. This resource: tts-1.5-max (Text-to-Speech). https://ai.glianalabs.com
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
GlianaAI - pay-per-call AI: LLM chat (OpenAI-compatible), image, video, music, speech - 100+ models, no signup, USDC. This resource: wan-2.6-image (Text-to-Image). https://ai.glianalabs.com
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
GlianaAI - pay-per-call AI: LLM chat (OpenAI-compatible), image, video, music, speech - 100+ models, no signup, USDC. This resource: tts-1-hd (Text-to-Speech). https://ai.glianalabs.com
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach presets + any name) — port calls, estimated import/export capacity (dwt), 7d moving average vs 30d baseline deviation and anomaly flag. Port volume leads official macro data by weeks: the input for trade/tariff/recession markets. Source: IMF PortWatch (satellite AIS, free, no key). $0.01 USDC x402 Base.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Search the national open data portal of Poland (dane.gov.pl) by keyword, or fetch one dataset by id: title, publishing organization, last modified date where the portal gives one, number of files and the official link, under the portal's licence terms (a dataset's own licence is on its official page). Uncached: 404, not charged, fetched within about a minute.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Search the national open data portal of the United States (catalog.data.gov) by keyword, or fetch one dataset by id: title, publishing organization, last modified date where the portal gives one, number of files and the official link, under the portal's licence terms (a dataset's own licence is on its official page). Uncached: 404, not charged, fetched within about a minute.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Decision verdict for prediction markets: probability, direction and multi-source evidence with declared sources. $0.05 USDC x402 Base.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
SYNTHORA noaa-tides: tide and water level for US ports/stations, VERIFIED by crossing NOAA harmonic prediction with the LIVE observation at the same station — the anomaly (observed minus predicted) is the storm-surge/port-disruption signal. Source: NOAA CO-OPS official, free, no key. $0.005 USDC x402 Base.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliverability score, or inbox readiness domain check.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Search the national open data portal of Australia (data.gov.au) by keyword, or fetch one dataset by id: title, publishing organization, last modified date where the portal gives one, number of files and the official link, under the portal's licence terms (a dataset's own licence is on its official page). Uncached: 404, not charged, fetched within about a minute.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Use when an agent needs base gas price. Returns Current Base gas price: fetch EIP-1559 latest-block base fee and gas price in wei and gwei from redundant public RPCs, with block freshness metadata for transaction planning. $0.002.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Turns any creature from any world, book, film, game, myth, or song into an original, playable 5e-style stat block. Returns AC, HP, ability scores, challenge rating, traits, and actions as original game statistics (not a copied published block). Optionally target a challenge rating. Bridges the bestiary and rollforge clusters. Use it as a creature stat block generator API or a source of homebrew monster stats for any being.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Calculate the downstream financial blast radius of a proposed agent action over a dependency graph and block plans that exceed declared exposure or critical-node limits before execution.
Unpriced in the listing, which is not the same as free. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Event-native incident evidence for non-AI systems: IoT sensor gateways, CI/CD release hooks, data pipelines, inventory/event buses and ordinary cron jobs. CloudEvents 1.0 anomalies, sequence gaps, timestamp drift, forbidden types and numeric thresholds produce deterministic incident fingerprints and review actions, paid only when buyer software chooses to invoke the evidence endpoint after the free anomaly quote.
Unpriced in the listing, which is not the same as free. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Live intra-EU VAT number validation via the European Commission VIES REST API (real-time query of the member state registry). Query: ?cc=IE&vat=6388047V (cc = member state code incl. EL/XI, vat = number without country prefix). Returns is_valid, the trader name and address as registered (when the member state publishes them) and request_date (compliance timestamp); 24h cache.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Returns verified source code and ABI for any deployed contract on Ethereum, Base, Optimism, Arbitrum, or Polygon. Includes is_verified, contract name, compiler version, parsed ABI, full source, license, optimizer settings, constructor args, and proxy implementation address. Use it as an Etherscan source lookup, contract ABI fetcher, or Solidity source lookup.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Cash-dividend intelligence for a vendor-resolved equity from licensed Tiingo end-of-day history: TTM dividend/share and yield against the latest close, latest dividend, split-adjusted complete-year growth, the last eight payments, split events, and a cut-detection checklist with explicit coverage. Payout ratio, forward ex-dates and declaration/record/payment dates are not served (not in the Tiingo feed). Cash values keep Tiingo payload units.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Domain age and registration intel from authoritative RDAP/WHOIS records: exact creation date, age in days and years, expiration date and days-until-expiry. The fast trust and risk signal agents use to vet a counterparty, link, or sender and to flag newly-registered or soon-to-expire domains. Returns structured JSON, keyless, pay-per-call. ccTLDs without RDAP return an uncharged 503.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Resolve any domain in one call: A/AAAA, MX, NS, CNAME, SOA and TXT records, plus parsed email-auth posture — SPF policy, DMARC policy, and detected DKIM selectors. A drop-in nslookup/dig replacement for agents, resolved over DNS-over-HTTPS (DoH) with redundant resolvers and automatic failover. Keyless, pay-per-call, structured JSON.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Everything an agent needs to plan a trip to one country, in ONE call: visa requirements, customs duty-free allowances, tipping customs, power plugs and voltage, emergency numbers, tap water safety, SIM/eSIM options, public holidays during the stay, currency and payment culture, tourist taxes, driving side and IDP rules. 178 countries, government-sourced. Cheaper than 15 single calls. Example: /api/v1/kit/travel/JP
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Everything needed to evaluate hiring or employing someone in one country, in ONE call: minimum wage, standard work week, public holidays (with in-lieu policy), parental leave, retirement age, corporate tax, business hours, banking hours and business readiness. For HR agents, EOR/global-hiring tools and payroll compliance. 178 countries with government source URLs and verification dates. Example: /api/v1/kit/hiring/DE
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Official UK Companies House data in one paid call. Search: ?q=tesco returns matching companies (number, status, type, incorporation date). Profile: ?number=00445790 returns the full profile PLUS current officers and PSC (persons with significant control, the UK quasi-UBO register): names, roles, natures of control, risk flags (insolvency history, charges, overdue filings) and typed insolvency cases when history exists. Statutory register data, minimized. 24h cache.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Total US public debt outstanding from the official Treasury Debt to the Penny dataset (FiscalData API, published every business day ~3pm ET). Query: no params -> latest data point; ?limit=30 (1-100, newest first) and ?since=2026-01-01 (record_date floor) for history back to 1993. Returns per day the debt held by the public, intragovernmental holdings and total, in USD. Cached 6h.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Agent-readable article boundaries decision 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.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Agent-readable article boundaries 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.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Article entity decision 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.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
News search. Send a query; returns up to 10 Google News articles with title, URL, publisher, date and snippet, optionally limited to the last hour, day, week, month or year and to a country and language. Use to find recent coverage of a topic, company or event. Not for full article text (use /v1/fetch-page). Typical response about 1 s. Failed calls are not charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Rug check and due-diligence snapshot of an ERC-20 token on Polygon PoS: a 0-100 risk score with reasons, name, symbol, decimals, supply, owner and whether ownership is renounced, upgradeable-proxy detection, owner-only functions found in the bytecode (mint, pause, blacklist, fee changes), and USD price, liquidity and FDV from the deepest WPOL or USDC pool on Uniswap v3. Facts only, no buy or sell opinion.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
UK trade mark applications published for opposition (Trade Marks Journal). One call returns one page of matching records as JSON (25 by default, per_page up to 100) with the total count and the last refresh time; the query parameters filter the records.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Checks a domain against SURBL's multi-list (multi.surbl.org): whether it appears in spam or phishing URI lists. Listed domains return a 127.0.0.x code. Not listed means not in SURBL's current lists, not that the domain is safe.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
One Form 13F filing normalized: the cover page plus every consolidated position with issuer, CUSIP, ticker, shares, value in US dollars, percent of portfolio and voting authority. Give an accession with its CIK, or a CIK or name with a quarter. A cheap granular pull.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
The description and the price are the SELLER’S, copied from their listing and not checked by us. The badge is OURS and is one unpaid handshake: “answered unpaid” means it answered us once without asking for payment, which is not a standing offer, and an unpriced listing is unpriced rather than free.
Knocking goes to the knock page, which reads the terms live before anything is signed. A listing can be out of date in both directions, which is the reason to knock rather than to read a row.