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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.
Bitcoin L1 radar v3: BRC-20/Runes/Alkanes/Stamps + ordinals-nft early mint radar; candidate_protocols summary hook only. Full unverified new-protocol evidence is on /v1/btc/radar/candidates ($0.50). $0.01. Not investment advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Token risk / token safety check for Base and BSC (BNB Chain) tokens: honeypot detector via live buy/sell simulation (honeypot.is, cross-checked with GoPlus when available), buy tax / sell tax, contract security (mint, pause, blacklist, proxy, owner renounced), holder concentration, liquidity, pool age, LP burn. Returns verdict low/medium/high/honeypot, 0-100 risk score, action and plain reasons. Rug check / scam token pre-trade check for memecoins. $0.01; bad input 400, no charge.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Send an HPKE-encrypted prompt to the Aubrai chat agent running inside an attested private enclave. Only the enclave can decrypt your message.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Coin fiyati API — anlik kripto fiyati (USD)
Unpriced in the listing, which is not the same as free. it demanded payment when we knocked, on 2026-10-25.
Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Fetch any public web page and return clean, readable Markdown with navigation, ads, and boilerplate stripped. For agents that need article text or documentation as Markdown.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Stablecoin health monitor — collateral backing percent, redeemability and freeze status for every AMT-20 stablecoin on the chain. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-stable-health","request":"<input>"}.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
AI summarization API — TL;DR and key points from any text or URL; article and document summarizer. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-summarize","request":"<input>"}.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Proposer feed for prediction-market settlement: SEC EDGAR official facts mapped to a machine-friendly answer / timestamp / evidence shape for automated proposal and dispute flows. Three separated times, explicit resolution_status, candidate sources listed. We describe what was filed - the adjudication stays yours. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Settlement evidence v0 for prediction-market and dispute workflows: did an issuer file a given SEC EDGAR form before your cutoff? Returns THREE SEPARATED TIMES (event / disclosure / cutoff), a resolution_status of resolved, no_authoritative_source, ambiguous or conflicting, and candidate_sources. We describe the filing record; we never adjudicate the real-world event. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
[BATCH+PROOF] x402 service graveyard - services that vanished from the census. THRESHOLD stated plainly: listed on FIRST confirmed absence (confirm_absences=1), NOT multi-day confirmation - only two snapshot days exist, which cannot support a streak test. Rows are hash-backed and recompute offline with ?verifiable=1; record_hash_verifiable reports the exact count per response. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Staking rewards calculator — APR by lock tier (flex, 90-day, 365-day) with daily and yearly yield projection for any AMAN amount. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-staking-rewards","request":"<input>"}.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
APEX Runner: Optimal Order Routing Signal
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
APEX Runner: Narrative Intelligence Signal
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Search nonprofit health organizations by state, NTEE code, revenue or expense range, or name. Answers: which nonprofit hospitals/health orgs match this financial profile? Source: IRS Form 990 e-filings.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Screen physicians industry is already paying — the recipient side of the CMS Open Payments (Sunshine Act) file, ranked by total reported payment amount. Filter by specialty, state, nature_of_payment, and min_amount. Prescriber name / specialty / state / city are resolved by joining the NPI to the CMS Part D Prescribers file (Open Payments carries none of them). Public CMS provider-level data; not a consumer report.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Physicians whose TOTAL CMS Open Payments industry payments genuinely increased year-over-year — a real per-NPI delta (amount_current vs amount_prior), not a magnitude threshold. Defaults to 2023→2024 (any loaded year pair selectable via year/prior_year). Filter: specialty, state, min_increase_usd (default $1,000), min_pct_change (default 10%). Only physicians paid in BOTH years with a real rise clearing both thresholds are returned. Public CMS provider-level data; not a consumer report.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Outcome labels for one pump.fun memecoin: rugged, graduated, when, peak SOL ($0.001). Use when you grade your own rug or graduation calls or backtest a signal on pump.fun memecoins and need outcome labels you did not write yourself, by a fixed public rule; for a live pre-trade rug check use GET /v1/check/mint ($0.005).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Outcome labels for up to 40 pump.fun memecoins in one call ($0.01 total). Use when you grade a list of your own rug or graduation calls or backtest a signal on pump.fun memecoins; for one mint the $0.001 single lookup costs less.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Building permit records. Construction and building permits across Chicago, NYC, Seattle, and San Francisco — type, status, address, cost, and issue date.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Robinhood Chain pons memecoin curve: reserves and price after every trade. Use when you index or price a pons curve and need the reserves after each trade, which the deployed curves do not emit; check your own numbers first on the free sample GET /v1/rhc/sample/trades?address=.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Payment alone works: the paying wallet is the caller. An API key is optional. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Payment alone works: the paying wallet is the caller. An API key is optional. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
News Gurus Intel API — latest US congressional stock trades (STOCK Act): member, party, buy/sell, ticker, amount, dates. Example: R-TX member, Purchase NVDA, $15,001-$50,000, traded 2026-07-08, disclosed 2026-07-12. Optional ?symbol= filter. Per-call alternative to $25-75/mo congressional-data subscriptions; public disclosure data, no vendor licensing. Educational data, not financial advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
News Gurus Intel API — recent dark-pool prints as derived signals: symbol, direction, strength, confidence, size_bucket. Example: AAPL bullish, strength 0.6, size_bucket large, 1D. Block/large/mid/small buckets flag institutional-scale accumulation or distribution without redistributing raw notional or price data. Lookback ?hours= (default 48). Educational data, not financial advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
News Gurus Intel API — crypto futures/derivatives read for one symbol (BTC, ETH, SOL, XRP...): latest APEX multi-source confluence signals (direction, score, momentum surge, timeframe) plus the current market regime. Educational data, not financial advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Regulatory + legal signals: Typed, citable signals extracted weekly from the East African legal record — official notices, bills in progress, trade-standard notifications and import-rejection alerts — keyed to the same country + commodity vocabulary as the price and news layers. Up to 100 rows per call, $0.10 USDC. Filters: source, jurisdiction, country, commodity, regulation_type, instrument_type.
Unpriced in the listing, which is not the same as free. it demanded payment when we knocked, on 2026-10-25.
Real-time market prices: A faster-moving East African price feed at market granularity — a second reading alongside the official series. Up to 100 rows per call, $0.10 USDC. Filters: source, country, adm1, market, commodity, currency.
Unpriced in the listing, which is not the same as free. it demanded payment when we knocked, on 2026-10-25.
Inspect the leaf TLS certificate for a public hostname (validity, issuer, SANs, fingerprint, expiry). Use when you need live cert facts and must not guess. Expired or hostname-mismatched certs still return JSON flags.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Read allowlisted HTTPS response headers for a hostname (HSTS, CSP, server, CORS). Use when you need live origin headers and must not guess. HEAD of https://{domain}/ on :443; GET if HEAD is 405/501. Redirects are not followed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Trace HTTPS redirects for a hostname. Use when you need live hop facts and must not guess. HEAD of https://{domain}/ on :443 (GET if 405/501); follow Location up to 5 hops. HTTPS :443 only after ConnectGuard. Bodies are omitted.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Soft-commodity supply-stress indicator: we buy Brazilian growing-belt crop-weather stress plus Ivory Coast cocoa and coffee farmgate prices from several upstream x402 providers and compute one supply-stress score. One call instead of finding, paying and merging three feeds yourself. The scoring rule is disclosed in every response.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Per-coin positioning brief: at-least-two-exchange spot median (attempting Binance/Coinbase/Kraken), Hyperliquid funding, open interest, premium and volume. The disclosed 0-100 crowded-long/short score uses funding and premium; the 6-hourly archive trend is separate context and may still be filling. One call per coin. Signed, verifiable receipt included.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Kyle's Lambda estimates price impact per unit of signed order flow for a crypto trading pair over a specified window. Discovery examples use the latest 30m window.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Buy-Sell Volume Imbalance measures net buy versus sell volume as a normalized ratio. Discovery examples use the latest 30m window.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
S&P 500, Nasdaq-100, and Russell 2000 constituents and GICS sectors.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Cumulative Volume Delta tracks net buy versus sell volume over a specified window. Discovery examples use the latest 30m window.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Parse a semantic version into major, minor, patch, prerelease and build parts; compare two versions by precedence including prerelease ordering; or test whether a version satisfies a range expression using caret, tilde, hyphen, x-ranges and comparator sets. Returns the parsed structure, the comparison result and the reason a range did not match.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Return the filing history of a UK company from the Companies House register — accounts, confirmation statements, officer appointments, address and capital changes, resolutions and mortgages — most recent first, optionally filtered by category, with date, form type (AA, CS01, AP01, TM01), the readable register description, registrar annotations and a document_url for every filed image. Use when: What has this UK company filed recently?
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Return the directors of a UK company from the Companies House register — including corporate and nominee directors — with appointment and resignation dates, nationality, country of residence, occupation, month/year of birth and correspondence address. role=secretary, role=llp_member or role=all widen it; include_resigned adds history. Register-wide officer totals and explicit paging come with every answer. Use when: Who are the directors of this UK company?
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
An empty items list is never the same as "no owner": ownership_status and the filed PSC statements/exemptions explain why the register discloses none. Returns the persons with significant control (PSCs) for a UK company — the individuals, entities or legal persons that own or control it — each nature of control carrying the register code and its official text, with dates and public identification. The UK statutory beneficial-ownership (UBO) record. Use when: Who owns this UK company?
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Convert internationalised domain names between Unicode and ASCII punycode in either direction, label by label, and validate each label against IDNA2008: length, leading and trailing hyphens, the hyphen-hyphen rule at positions 3 and 4, disallowed code points and bidirectional rules. Returns both forms, the per-label breakdown and the first rule violated. Strict mode is IDNA2008 (UTS 46 non-transitional); it may reject names /v1/code/url displays.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Decode a JSON Web Token without verifying it: returns the header, the claims, the signature length and algorithm, and a computed view of the time claims — whether exp has passed, whether nbf is in the future, and the remaining lifetime in seconds against a supplied or current instant. Reports structural problems such as a missing part, invalid base64url or an alg of none. It does not and cannot verify the signature; do not use it to decide trust.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Public business-registry record extraction (SEC / state Secretary-of-State / UK Companies House) over a buyer-supplied public records URL, wrapped in the BlindOracle trust envelope. Public records only. | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Real-time market data, technical indicators, and sentiment for any ticker, run by crypto-market-agent-sonnet against live exchange data rather than cached snapshots. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Broader single-tic... | BlindOracle by Craig M. Brown (craigmbrown.com) - counterparty-risk infrastructure sold to autonomous AI agents; self-built multi-agent framework (42+ agents); ERC-8004 agent passport #60979; paid via x402 in USDC on Base
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Bulk Bitcoin block extract (max 144 blocks per call, flat price per call). Returns array of per-block summaries (height, time, miner pool, tx count, witness/taproot/ordinals/op_return stats, total output, coinbase reward).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Partners and shareholders (socios) of a Brazilian company from the official Receita Federal CNPJ registry: partner name, type (individual/company/foreign), masked tax document (CPF comes pre-masked from the government source), role/qualification, entry date and age bracket. Useful for KYB and ownership checks. Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra
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.