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Showing the 22,122 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 83,539 listings in all: 21,340 charge, 841 answered without asking, 9,707 did not reach a working endpoint, and 51,651 we have never knocked on. Type something above to search all of them.
Agent card discovery 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.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
List national public holidays for a country and year.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
EU VAT number validation against the European Commission's official VIES service, a live query of the issuing member state's national VAT register. Give a VAT id with country prefix (27 EU states plus XI) and get whether it is valid for intra-EU trade, plus registered name and address where the state discloses them. Use it for B2B invoicing and reverse-charge checks, customer onboarding/KYB and supplier data cleaning. Norway is not in VIES: use /firma.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Bitcoin Fee Rates - Call when you need to pick a Bitcoin fee before broadcasting - the difference between confirming in the next block and waiting an hour. Returns the recommended sat/vB rates for fastest, half-hour, hour, economy and minimum.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-23.
Estimates Base gas costs from current fees and priority-fee presets. Fixed gas units (100k simple, 250k complex, 180k liquidity) are typical assumptions, not transaction-specific estimates or quotes. Valid values: standard, high-mev (3x priority fee), low-gas (half); invalid values return HTTP 400 without charge. No transaction simulation, mempool observation, or MEV/sandwich-risk measurement. Use to budget gas for a Base transaction.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Next transaction nonce of an EVM address (confirmed and pending), pending tx count, native balance, contract flag and EIP-7702 delegate. Use before signing or to detect stuck transactions.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Does the domain's SPF record authorise yahoo to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for yahoo's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Convert Markdown (headings, paragraphs, bold, italic, strikethrough, links, images, inline and fenced code, lists, quotes, rules) to HTML. Raw HTML in the input is escaped, so the output is safe to embed. Use to publish agent-written Markdown on a web page.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Stonehenge prehistoric stone circle stands on a grassy field under an overcast sky. Visitors are visible in the distance near the megaliths.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Mean SoilGrids clay fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Finland; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Mean SoilGrids coarse-fragment volume for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Finland; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Convert an amount between wei, kwei, mwei, gwei, szabo, finney and ether — or between any token decimals (pass a number like 6 for USDC). Integer-exact, no precision loss. Pass amount, from, to. Pure compute, sub-cent — the unit-conversion commodity agents call constantly when building transactions. Not financial advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
XRP Ledger network state — validated ledger, load and base fee — Genesis402 / UnyKorn Operator Network
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Premium twelve-indicator structural macro profile for Poland, covering growth, inflation, labour, external balance, trade, savings, investment, reserves, real rates and central-government debt where available. Purpose: Provide an autonomous agent one normalized Poland structural macro brief with explicit coverage, latest observation years and missing indicators. 24-hour freshness target; missing evidence is reported explicitly rather than invented.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Morpho lending markets: rates, utilisation and available liquidity.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Mean SoilGrids bulk density for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Greece; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Renders one instant, or now, in up to 20 IANA zones at once with UTC offset, abbreviation and DST state.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Hash and label agent context by declared integrity, confidentiality and source
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boundary for Slovakia; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Compare parsed typed record projections, preserving all pins and scope while ignoring order; not raw-byte equality or proof of the underlying artifact for bounded backend/run/register/measurement-pin Supplied-record analysis, not independent certification. Full contract at the free describe URL.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
DeFi yield API: live stablecoin yield ranking, best stable APY / net APR of Merkl reward campaigns on Base (after gas, TVL >= $100k), refreshed every 2 hours, for yield farming agents.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Purpose-bound PayPal observation (payment) using the existing fresh Stack-Monitor. Returns stack_paypal_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.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Recently created Solana DEX pairs with non-trivial liquidity — an early discovery feed for agents watching for fresh listings.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Parse and normalize a freeform address string using Claude Haiku — splits it into street, city, state/region, postal code, and country, plus a normalized single-line form, so agents can clean and standardize messy address data for shipping, CRM, and verification workflows.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
How many pages does a site declare? Counts URLs across sitemap.xml and any sitemap index (up to 5000 counted), reports sitemaps visited and newest lastmod. A fast estimate of site size. $0.01 per site.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Web search. Send a query; returns up to 20 ranked Google web results with title, URL, snippet and date where known. Use when an agent needs links to read or to check what exists on the web. Not for reading page content (use /v1/fetch-page) or for a written answer (use /v1/research-answer). Typical response 1 to 2 s. Failed calls are not charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
BNB Chain contract event logs - raw logs for a contract, filterable by event topic, newest first
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Resolve a name or ticker to coin ids: full-text search returning matching coins (id, symbol, name, market cap rank, ordered by rank), exchanges (id, name, market type) and categories (id, name), plus NFT collections. `limit` per group 1-50 (default 10). The id resolver for every other coin tool: an agent holding "PEPE" or "render" gets the canonical id here before calling coin-profile, coin-ohlc or coin-history. Cached in-process for 5 minutes. Data provided by CoinGecko.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Mean SoilGrids pH in H2O for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Hungary; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Can this wallet operate as an autonomous agent? Checks SOL for fees, USDC for payments, token accounts, and recent activity — with a ready/not-ready verdict.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Keccak-256 hash of a text string. Use for Ethereum function selectors, event topics or any keccak256 you need. Input: text.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Crypto market scan: buy/sell signals for 50 coins in one call - $0.02. Use this when you need to screen the whole crypto market in one paid call instead of 50: the mechanical buy/sell label and score, 1h/4h/1d labels, 1h RSI, price and 24h change for every top-50 coin, strongest first, plus label counts and breadth. Computed live from exchange candles (1h refreshed about every 13 minutes). Every response carries as_of, data_age_seconds, next_update and stale_after. Not charged on bad input or…
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Share of ESA WorldCover 2021 pixels classified as cropland. The coordinate is validated against the Natural Earth boundary for Slovenia; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Live NFL analysis for the Cincinnati franchise: roster, injuries, matchups, betting lines, player props and situational trends.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
SEC EDGAR company financials and filings by stock ticker or CIK: revenue, net income, assets, liabilities, equity, cash, EPS and shares from the latest 10-K/10-Q XBRL data, plus recent 10-K, 10-Q and 8-K filings with links. Use when you need a US public company's fundamentals or latest filings. Signed receipt.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Is a specific bot allowed to fetch a URL? Fetches the site's robots.txt and evaluates the path for the named user-agent (GPTBot, ClaudeBot, Googlebot, Bingbot, CCBot, PerplexityBot or any token), returning allowed/disallowed, the matching rule and group, crawl-delay, and whether the bot has a dedicated group or falls back to *. Pre-flight for compliant scraping agents. $0.01 per check.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Musashi Five Rings — Strategic text by legendary swordsman for tactical thinking and competitive frameworks.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Current air quality for any coordinate worldwide. Pass lat + lon. Returns the US AQI (+ category Good/Moderate/Unhealthy…), the European AQI, and pollutant concentrations: PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide, carbon monoxide. Source: Open-Meteo / CAMS (keyless).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Orca (Solana) pools: liquidity, volume and fees.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
A calm lake bordered by tall grasses and evergreen forest with dead tree snags standing in the water under a clear blue sky.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Licensed gambling operators in Great Britain (Gambling Commission register). 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 2026-10-23.
Fixed 0.045 USDC for 11 to 25 hosts. At least half must succeed for settlement; otherwise HTTP 502 with charged=false. Complete results for successful targets and explicit per-target failures. No rendering.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Prüft am Objekt stylesheet den Befund Zeit bis zum ersten Byte.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Where a token earns the most: DefiLlama's yield pools filtered by chain (default Base), token symbol (USDC, ETH…), stablecoin-only and minimum TVL (default $1M), sorted by APY or TVL - with base vs reward APY, the 30-day mean, IL risk and a link per pool. Outliers are excluded unless asked. Pay-per-call via x402.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Full deep-diligence packet for one repository.Combines the executive summary, every analysis factor report and theunderlying scored analysis run for the repository.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Get a URL's title, description, Open Graph tags, canonical URL, favicon and final redirect URL.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Crypto wallet sanctions check (OFAC): is this blockchain address on the US Treasury OFAC sanctions lists? Exact match against all 1,000+ digital currency addresses OFAC publishes on SDN and Consolidated entries (Bitcoin, Tron, Ethereum and EVM chains, USDT, Litecoin, Monero and more), returning the listing's program and entry ID. Use before sending or accepting a crypto payment. No tracing or risk scoring. Signed receipt.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Prüft am Objekt weiterleitung den Befund Zeit bis zum ersten Byte.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Live NFL analysis for the Baltimore franchise: roster, injuries, matchups, betting lines, player props and situational trends.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
Bind measurement-to-configuration edges to exact backend/register-count/revision and measurement-content Supplied-record analysis, not independent certification. Full contract at the free describe URL.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-23.
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.