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Showing the 24,115 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 93,469 listings in all: 23,277 charge, 899 answered without asking, 10,382 did not reach a working endpoint, and 58,911 we have never knocked on. Type something above to search all of them.
x402engine — Simulate EVM transactions before sending — get gas estimates, execution traces, and revert reasons
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-25.
A small airplane is seen flying high above a cloudy sky. The aircraft appears as a dark silhouette against white and gray cloud cover.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Phemex perpetual-contract ticker for one symbol (e.g. BTCUSDT): last price, mark and index price, funding rate, open interest and 24h volume, from Phemex's public md/v2 endpoint.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Token safety verdicts for up to 25 tokens in one call - send a list of contract addresses, get one row per token: verdict (safe/caution/risky/danger), score 0-100, risk level, flags (honeypot, sell tax, mintable, hidden owner, holder concentration, low liquidity), liquidity, holders, top-10 share, price. Plus counts per verdict and a not_found list. Base default; also ethereum, bsc, polygon, arbitrum, optimism, avalanche, solana. ?addresses=a,b,c&chain=base. 404 free if none known.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Official Finnish company registry lookup (PRH / YTJ, Finnish Patent and Registration Office Business Information System, CC-BY). Query: /v1/eu/entreprise/FI/0112038-9 (Business ID / Y-tunnus). Returns legal name, legal form, normalized status, registered office and the FI VAT number, live from the PRH open data API. A foreign trader's branch or a form outside the YRMU codebook returns 404, not billed. Unified JSON schema.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Xynaptic Tech News v2 — structured events (AI/LLM, GPU, quantum computing, last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Latest available Malaysia trade openness plus a comparable annual history from the World Bank World Development Indicators API, with source, lag and revision caveats. Purpose: Give an autonomous agent a normalized, directly sourced Malaysia trade openness series without forcing it to understand World Bank indicator codes or response shapes. 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 2026-10-25.
Top token holders and whale concentration for an ERC20 on Base, estimated from recent Transfer events, with each holder's percentage. token holders, holder distribution, whale concentration, top holders, token ownership, holder analysis Accepts payment on Base or Solana — either network works.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Standard deviation of sampled surface elevations. The coordinate is validated against the Natural Earth boundary for Romania; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Placard / label codes for a hazardous material from the US DOT table (49 CFR 172.101, eCFR), by UN number (e.g. 1203) or name fragment: label codes, hazard class and packing group. Returns the label code numbers as written in the table; it does not give the placard artwork or emergency response guide entries.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Al Jazeera latest articles from its public RSS feed (keyword filter on title/summary/categories). Latest items only. Public feed, no key.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Whether a CVE is in CISA’s Known Exploited Vulnerabilities catalog, with the date added, the federal remediation due date and the required action.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
MSSI market stress index — composite systemic risk signal across crypto, equity, credit and volatility markets — Ed25519 signed attestation
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
One Normie by number: traits, level, pixel counts, attached pixels, current listing and burn yield range.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
TXT record of gitlab.<domain>: looks up the gitlab host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like gitlab without enumerating subdomains. $0.01 per lookup.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Exact cost to unstake from a Bittensor subnet right now, from the chain's own swap simulator: TAO received, cost in TAO and percent. Give alpha (amount of alpha) or tao (position value in TAO).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Get current job postings for a company by Apollo organization ID.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Honeypot check for any token ($0.02): can it be sold after you buy? Simulated sell and buy on chain, owner and proxy, mint, blacklist, pause and fee functions, liquidity, LP burn and buy tax on Base, Ethereum, Arbitrum, Optimism and Polygon; mint and freeze authority on Solana. Verdict and 0-100 safety score.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Company enrichment from SEC EDGAR: resolve ticker/CIK/name to legal name, exchange, SIC, state, HQ, phone, EIN. Bundles with /merkl-stable for yield sustainability.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Kyoto Temple — Low-stimulation environment for stillness practice and sensory minimalism.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Prüft am Objekt cookie den Befund Übermittlung vor Einwilligung.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Perpetual funding rates. 🆓 5 free trial calls per signed wallet
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Who is this OP Mainnet address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Metadata for an ERC-721 or ERC-1155 token on Arbitrum One: collection name, current owner (ERC-721), token URI, and the metadata JSON fetched and decoded from IPFS, Arweave, HTTPS or an inline data URI, with a browser-loadable image URL.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Grade a domain's email authentication A-F: SPF (lookup count, all-qualifier, duplicates), DMARC policy and reporting, MTA-STS mode, BIMI. Use before sending campaigns or to assess spoofing risk of a vendor's domain.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
New token launches with a safety verdict on each, one call - the newest DEX pools on a chain, every token scored 0-100 and labeled safe/caution/risky/avoid from honeypot, buy/sell tax, mint, owner-can-change-balance, proxy, LP lock and top-10 holder flags, plus liquidity, 24h volume, buys/sells, age. ?chain=base|ethereum|bsc|arbitrum|polygon|optimism|avalanche|solana&window=1h|6h|24h&limit=1-20&min_liquidity_usd=. 404 free if none. Free sample: /token/new-launches/example.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Pendle Finance active yield markets on Ethereum: name, expiry date, implied APY, aggregated APY and liquidity, from Pendle's public v2 API. Sorted as Pendle returns them; use limit to cap the list.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Top hotels in a city from Agoda's city guide page (no dates needed): about 10 properties with Agoda hotel ID, name, star rating, area, amenities (Wi-Fi, parking, breakfast, pool …), review score out of 10 with its label and number of reviews, a recent guest quote, average price per night with currency, and the Agoda hotel link. The city is Agoda's URL slug, e.g. bangkok-th, tokyo-jp, bali-id, london-gb.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
MNEMOS arbitrage survival scan
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Currency exchange rates and conversion for about 30 currencies (USD, EUR, GBP, INR, JPY, CNY ...) from the European Central Bank reference rates of the latest working day.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Close-up of a Gothic stone building facade featuring a clock and Latin inscription. The stonework shows detailed carvings and mullioned...
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Token rug check / pre-trade safety verdict (Solana + EVM) for trading bots: go / caution / avoid + reasons, up to 10 tokens per call, ~0.3-1 s, cached 120 s. Solana (pump.fun and Meteora curves, Token-2022) and Ethereum/BSC/Base: authorities, honeypot simulation and taxes, liquidity, holder concentration (pools excluded), buys vs sells, price moves, age.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Pay-per-call: Signal Sprint Base Block
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Buy prepaid calls for any paid Agent Paywire route. POST JSON with calls set to 100 (0.80 USDC) or 1000 (7.00 USDC). Packs last 90 days. This request is 0.80 USDC. The bearer token is returned once.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Hepsiburada (Turkey) product search: product name, product ID (HB SKU), final price and crossed-out price in TRY, discount %, rating and number of reviews, campaign lines (e.g. installments, lowest price in 30 days), image and product URL; 36 per page plus the total number of results. Sort by relevance, price, reviews, rating or newest.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Smart money tracker API (Hyperliquid). Full smart-money positioning for one Hyperliquid perp from the top-120 30-day-PnL cohort: lite plus 1h/4h/24h flows, average entry per side vs mark, average leverage, uPnL per side, concentration, liquidation price bands by distance from mark (count and notional per band, never per account) and the 10 largest cohort positions (truncated addresses, no liquidation price). Fail-closed. Not financial advice. Past performance does not guarantee future results.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Base Confirmation Eta: Base Confirmation Eta estimates remaining confirmation time from caller-supplied block cadence from bounded caller-supplied values without an external provider. Call Base Confirmation Eta before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for Base Confirmation Eta as versioned deterministic JSON. Price:…
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Difference between maximum and minimum sampled surface elevation. The coordinate is validated against the Natural Earth boundary for Latvia; results outside it are rejected before payment.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
AI Crawler Access Check: Who Gets a 403 — Reads the results of probing a website with AI-crawler user agents (status codes per bot, a control request, sometimes robots.txt or the site's settings) and says what they really show as JSON - whether training bots, search bots and user-triggered agents are open, blocked, mixed or unknown, what is behind a refusal, and whether the robots.txt that answered is the site's own file. Knows the traps - a bare bot name proves nothing and lies differently for…
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Convert feet per second to kilometres per hour for speed. SI/international definitions; IEEE-754 numeric precision. This is a specialised route of the speed converter, not a separate data provider.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Token Quick Check: Base contract facts -- name, supply, owner, code. Not financial advice. Returns: a token verdict preview on one token contract: the contract facts the full verdict reads -- code size, name, symbol, decimals, total supply, owner(), proxy slots -- read from the chain. No grade, no model, no pool price, no holders, no safety or legitimacy call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Redfin US home listings in a box around a point, from Redfin's own CSV download: for sale (active, coming soon, pre-market) or sold in the last N days. Row: sale type, sold date, property type, address, ZIP, price, beds, baths, neighborhood, sq ft, lot, year built, days on market, $/sq ft, HOA, status, open house, MLS number and source, coordinates, URL. Up to 350. Some MLS listings/areas (e.g. Seattle) are left out of downloads.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Detect the language of a text among 55 languages, with probabilities for each candidate and a reliability flag. Use to route messages, pick a translator or tag content.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
MNEMOS current cached options and anomaly intelligence
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Auction lots from Invaluable (thousands of auction houses worldwide) for a keyword: upcoming lots with current bid, bid count, estimate range, sale date and type (live/timed), or past lots with the hammer price result. Each lot: title, lot number, category path, artist, auction house, location and country, currency, image and lot URL; plus the total matching lots. Bidder identities are not returned.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Bulk is email hosted by yandex mail: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Validate caller-supplied image delivery metadata before accepting an agent purchase. Checks HTTPS artifact URL, SHA-256 shape, supported MIME type, byte ceiling, and dimension ceilings without fetching or generating media. Returns explicit contract gaps and a normalized receipt for 0.001 USDC via x402 on Base; local-only and safe while generation refunds are pending.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Bulk is email hosted by zoho mail: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Extract structured data from a URL or raw text into strict JSON matching a schema you provide. Fields the content doesn't support come back null - never an invented or approximate value, and an unmatchable schema returns an explicit error. Try GET /extract/sample. Part of the AgentIndex content kit (pdf, web-read, extract, summarize, detect-language) - see GET /capabilities.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Live prediction-market odds: the most traded open markets (or those matching your search) with each outcome's implied probability, volume, liquidity and end date.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
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.