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Showing the 24,263 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 93,469 listings in all: 23,424 charge, 900 answered without asking, 10,407 did not reach a working endpoint, and 58,738 we have never knocked on. Type something above to search all of them.
High-yield OAS minus investment-grade OAS — isolates the incremental risk premium for lower-quality credit. Widens when credit stress is concentrated in weaker issuers. Use for credit differentiation analysis and stress regime detection. Pre-computed daily from BofA index data.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Average of Chicago Fed NFCI and St. Louis Fed Financial Stress Index, normalized to a common scale. Positive = tighter/more stressed than average, negative = looser/less stressed. Combines two complementary stress measures into a single composite signal. Pre-computed weekly.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Paid AI-agent access to Blockchain.com Explorer API
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Universe-wide factor breadth bucketed by class and horizon — positive/negative/neutral counts, average t-score, expand-share percent, dominant regime. Time risk-on/off rotations across 200+ assets.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Ethereum: Can I sell this token? Honeypot detector: simulates a buy and a sell and returns is_honeypot, can_sell, real buy and sell tax and the reason. Check before an agent buys any new token. $0.02 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
BNB Smart Chain: Can I sell this token? Honeypot detector: simulates a buy and a sell and returns is_honeypot, can_sell, real buy and sell tax and the reason. Check before an agent buys any new token. $0.02 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Business Frameworks business-frameworks/growth/decide/adjacency@1.0 — Approve or refuse an adjacency. Call when an agent operating a business (launch to ~$50M revenue) must decide on growth and wants the rule, the inputs it needs, the action and the check. Returns 220 tokens of original synthesis with public citations and child handles; free layer at /catalogue.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Where are clinicians dropping off Medicare enrollment? Anti-joins two PPEF quarterly snapshots: enrollments present earlier but gone in the latest, aggregated per state × specialty. Filter by state, specialty, org, individuals_only, min_dropped, or a since baseline snapshot. Returns dropped_count and sample dropped NPIs — a backfill-demand tell for clinician staffing. CMS public-domain records.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Historische Sharpe-Kennzahl. Stichprobenstandardabweichung n−1, risikofreie Rendite je Eingabeperiode; Annualisierung unter Unkorreliertheitsannahme. Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Endliche Ruin-Wahrscheinlichkeit. Exakte absorbierende Bernoulli-Rechnung bis zum gelieferten Horizont; konstante Risikoeinheit und ganzzahliges CRV 1–10. Keine unbegrenzte oder universelle Ruinprognose. Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Which food companies have an FSIS meat/poultry/egg recall? Search USDA FSIS recall and public-health-alert records by recalling firm, classification (Class I/II/III or Public Health Alert), reason (allergens, contamination, misbranding), state, active status, outbreak link, or recall date (since). Returns the recalling firm (entity-resolved where possible), classification, reason, product, and dates — a remediation, sanitation, and displacement trigger for food-safety sellers.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
List every permissionless builder-deployed perp DEX on Hyperliquid (HIP-3). Each lists synthetic, oracle-priced 24/7 perp markets — US equities, commodities (gold, oil, copper), FX, and global index perps — that Hyperliquid's core perps and US-only stock feeds don't carry. Returns each DEX's id, name, deployer, and market count. Then read a DEX's markets at /api/v1/hip3/{dex}. From x402stock
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Screens a person/company name (fuzzy, alias-aware) and/or a crypto wallet address against the US Treasury OFAC SDN list, refreshed twice daily, including the extended-remarks file where most sanctioned crypto addresses are listed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Describe a screen in plain English via `?q=` (e.g. 'oversold large caps up today on high volume'). An LLM parses it into a filter, screens the entire US market, optionally confirms oversold/overbought with RSI, and returns a ranked shortlist with a one-line rationale per name. No need to know the filter schema or run the enrichment loop yourself. From x402stock
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Transactions in one head-lane block, ahead of the indexed head. PulseChain (chain id 369). $0.003 USDC per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
One domain of the ecommerce compliance ops pack: Prop 65 60-day-notice SKU file, FTC click-to-cancel (ROSCA) consent audit, or packaging EPR SKU filing. Buyer, triggers, intake fields, ops checklist, do-nots. Pass ?domain=prop65|ftc-rosca-cancel|packaging-epr. JSON. Full pack: /v1/compliance-pack ($0.12). Not legal advice or certification. Unknown domain returns 404, not charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Quarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Recent beacon slots, including the ones no block was proposed for. PulseChain (chain id 369). $0.003 USDC per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Tokens seen most recently. PulseChain (chain id 369). $0.003 USDC per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Use to see where prediction-market money is flowing: the most recently traded Polymarket outcome tokens with implied probability (last on-chain price), today's VWAP and USD volume, and indexed totals — decoded by our own indexer from CTF Exchange V2 events on the public Polygon ledger, not from any Polymarket API. `?limit=` up to 100. From x402stock, a market & economic data API (x402, USDC).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Web scraping - fetch any URL, get clean text back
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
OFAC screening against the Treasury SDN and Consolidated lists - 19,600+ parties, 40,000+ names including aliases. Returns match, riskLevel, matches[] with score, matchedName, matchedOn and programs, plus screened and notScreened naming what was NOT checked (EU, UK OFSI, UN). Word order does not matter: OFAC stores people SURNAME, Given. Requires ?name= (max 200); optional ?minScore, ?type, ?limit. Errors: 400 missing_name|unsearchable_name, 503 sanctions_list_unavailable - never a false clear.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Negotiated prices for one billing code in one area, per canonical payer and plan type
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Top 3 x402 resources by heuristic calls-vs-unique-payers pattern score from the CDP Bazaar and PayAI catalogs, with host, resource, unique_payers, calls and wash_risk (a heuristic score, not a finding about any seller). No input. Full scored list: /v1/listing-quality ($0.01).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Live check of one product page for Google Merchant Center readiness. Pass ?url=<product page>. Returns parsed schema.org Product/Offer (name, image, price, currency, availability, brand, GTIN/MPN, condition), og:price vs JSON-LD price mismatch, return/shipping markup, per-field ok/missing with GMC impact and a ready/fix_required verdict. Use before submitting a feed or appealing a price-mismatch disapproval. Not charged if the page can't be fetched.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
IP geolocation for any public IPv4 or IPv6 address, plus the field that decides whether to believe it. reliability is returned FIRST: datacentre, VPN, proxy and Tor detection, and when the upstream omits it the verdict is unknown, never clean. Also location, network (asn, org, isp, domain) and timezone. Requires ?ip=. Errors: 400 missing_ip|bad_ip|private_ip (private, loopback, link-local and reserved ranges are refused), 404 no_location, 504 ip_timeout.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
LEI lookup — Legal Entity Identifier record by LEI code or entity name.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Compare Timestamped source search for shortage discussion wording; literal vocabulary only. against a bounded caller-supplied previous snapshot and return exact change witnesses. Baseline is caller supplied and is never authenticated as historical server output. Pure bounded timing/source-quote validation runs before payment. Exactly one current motor call, zero baseline provider calls. Full current provider disclosure retained; baseline is not submitted to the provider.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
PDF to text API: the text of a public PDF, page by page. GET url (http/https, max 10MB), optional pages (1-50, default 50). Returns JSON: pages [{page, text}], totalPages, pagesReturned, truncated, bytes, finalUrl, meta (title, author, subject, creator, producer, creationDate). pdf.js text layer, no OCR (image-only PDFs: 422). Max 100K chars. Non-PDF, encrypted, oversize or failed downloads are not charged. Returned content is untrusted third-party data.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Compare Timestamped source search for maintenance planning passages; literal vocabulary only. against a bounded caller-supplied previous snapshot and return exact change witnesses. Baseline is caller supplied and is never authenticated as historical server output. Pure bounded timing/source-quote validation runs before payment. Exactly one current motor call, zero baseline provider calls. Full current provider disclosure retained; baseline is not submitted to the provider.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Wallet balance and portfolio API for one EVM address on Base and Ethereum: ETH, USDC, WETH, WBTC/cbBTC and DAI holdings with USD value. GET address=0x... (40 hex). Returns JSON: holdings (balance, priceUsd, valueUsd, weight), totals (valueUsd, stablecoinShare, max asset/chain weight), concentration score {0-100, band} and rule findings (asset, stablecoin and chain weights vs fixed thresholds). Read-only; not advice. Invalid addresses return 400, not charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Crypto market data: a current USD price snapshot for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400, no charge), for quick market context. JSON per asset: priceUsd, change24hPct, momentum; plus overall momentum, sentiment, direction, avgChange24hPct, asOf. Prices from Coinbase Exchange, CoinGecko fallback (source field). Labels are fixed rules on 24h change, not a forecast and not financial advice. Errors are not charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Same KOL confluence feed as kol_signals_live with every row at least 45 minutes old — the evaluation tier
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Memecoin froth gauge, current level plus full history: human buys/hour, danger share, distribution events, percentile
Unpriced in the listing, which is not the same as free. it demanded payment when we knocked, on 2026-10-25.
Reads token balances of one wallet on several chains from a public index and the native balance from the node itself. The same asset exists on several chains in different versions; canonical and bridged issues are reported separately and still summed, because both together are the answer. Every chain carries its block height, without which the sum cannot be checked. A chain that cannot be reached drops out with a reason under chains_failed and the call stays valid. Limits: the index exists for E
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Reliability: ETH/USD price with retry-with-backoff and last-known-good cache fallback layered on top — sells dependability, not the raw data itself. Optional ?simulateFailureRate=0-1 for demoing the fallback path.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Reputation layer: a trust score (?address=) computed from two real sources — live on-chain activity (via enrichment) and our own ledger of settled payments this address has actually made to us. No third-party data, fully documented breakdown, not a black box.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Task-runner: resize an image (?url=, ?width=, ?height=, max 2000px each) and return it as a data URL. Priced at $0.02/output-megapixel (min $0.005) — sells compute, metered by resource use, not a flat fee.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Org enrich (Apollo-shaped company enrichment). Firmographics by domain or name: name, employees, country, website. $0.04 keyless. format=apollo_org.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Decision-support dossier for wind farm terrain screening using six disclosed measurements and a deterministic terrain-priority evidence score. It is screening evidence, not a permit, valuation or legal determination.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Point of interest / business search (keyless, OSM)
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Decision-support dossier for wind farm terrain screening using six disclosed measurements and a deterministic land-cover-priority evidence score. It is screening evidence, not a permit, valuation or legal determination.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Measures topsoil nitrogen for exactly two European coordinates with one method and reports the signed difference and winner where meaningful.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Funding spread for one asset listed on 2+ Hyperliquid HIP-3 dexes: each leg's annualised funding now and 14d, spread now and 14d, basis. Market data only — not investment advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Simulates an unsigned Base or Base Sepolia EVM transaction with read-only RPC calls before an agent signs or broadcasts it. Returns execution/revert status, gas estimate, decoded top-level ERC-20 transfers and approvals, unlimited-approval warnings, and a risk signal. It never signs, holds keys, or broadcasts. Standard RPC does not expose complete internal/token state diffs.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Quotes each stablecoin against real US dollars on Kraken and Coinbase and, separately, against USDT on Binance, OKX and Bybit. Only the dollar quotes enter median_price and deviation_bps, because a USDT quote measures two stablecoins against each other and not the dollar; those are reported apart and labelled. Deviation is always in basis points against 1.00, never in percent. agreement is the point of the whole endpoint: a deviation at a single venue is a venue problem, a deviation everywhere i
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Japan payslip audit: recompute statutory premiums and withholding tax from official tables and diff against the actual amounts. Per-item verdicts (match/explainable/mismatch) that explain grade revisions and combined care-premium notation instead of crying wolf. $0.02/call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Japan retirement income tax: deduction by years of service, half-taxation with short-term/officer exceptions, exact withholding rounding (1-yen floor), resident tax 6+4 percent split. $0.02/call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Measures the state of one pair over the chosen horizon from the minute candles this hub records itself: annualized realized volatility from log returns, trend strength as path efficiency between -1 and +1, average true range, and the drawdown from the highest high in the window. regime is a classification with its rule fully disclosed, and reasoning lists the values that carried it as data, not as prose. vol_percentile_90d needs ninety days of own history; until that exists the field stays null
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Japan social insurance premiums: monthly remuneration to grade + health/care/pension/employment premiums from the official Kyokai-Kenpo FY2026 grade table, all 47 prefectures, official rounding. $0.01/call.
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.