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Showing the 23,922 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 91,887 listings in all: 23,088 charge, 895 answered without asking, 10,328 did not reach a working endpoint, and 57,576 we have never knocked on. Type something above to search all of them.
Is this X/Twitter account real? Bot check + verdict for AI agents - pass a handle, get an AI read (real_person/organization/likely_bot/parody_or_fan/inactive/unclear) with confidence, known-for, recent themes, red flags, plus non-LLM stats: account age, posts/week, avg likes/views, reply share. Influencer vetting, KOL check, lead qualification, verify an account before trusting it. ?username=elonmusk.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Lithium company or mine, one cited plain-language read: cost-curve position vs the tracked universe, balance-sheet survival rank, permitting/development stage, key risks and strengths, data gaps - facts from SEC/ASX/TSX filings, no investment advice. Lithium mining research, battery metals due diligence, spodumene/brine producers. ?entity=<TICKER|MineName>&level=<company|mine>. Underlying data: /vault/summary $0.02, /vault/comparables $0.20.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Lithium Research Vault - headline snapshot for any lithium & battery-metals company, producing mine, or DFS-stage developer. One row: latest production, AISC, cash/debt/EBITDA, reserves, DFS NPV/IRR, top holder, source filing. Albemarle, Pilbara, SQM, Greenbushes, Atacama, Cinovec, Manna, Bandeira. 66 lithium mines (43 producing + 23 developer), 44 operators. Query by ticker (ALB, SQM, SGML, EMH, GL1, PMETF) or mine name. Cheapest tier; /vault full rows, /vault/comparables ranking.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Resolve a token symbol or contract address to the canonical Base contract, so an agent swapping or accepting 'USDC' gets the real one. Catches lookalike and impostor contracts sharing a symbol.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Wallet risk profile for a Base address before you pay it or accept payment from it: EOA or contract, first and last seen, transaction and counterparty counts, contract-verification status, and any flags raised. Behavioural signals only — they describe activity, not intent.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Live ERC-20 spending allowance an owner has granted a spender: calls `allowance(owner, spender)` on the token and returns the raw amount, a decimal-formatted amount (using the token's decimals) with its symbol, and an `isUnlimited` flag for effectively-infinite approvals. Use it to audit token approvals / approval risk before signing. Reads live on-chain data with automatic endpoint fallback.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Live ERC-20 metadata read directly from the contract: name, symbol, decimals and total supply (raw + decimal-formatted). Handles both string and legacy bytes32 name/symbol encodings. Returns `isToken:false` for EOAs or non-token contracts. Reads live on-chain data with automatic endpoint fallback.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Get the verified Solidity/Vyper source code for a deployed contract by address, sourced from Sourcify. Returns every source file (path + content), the contract name, language, compiler version and compiler settings (optimizer, evmVersion) — the full human-readable source an agent needs to read, audit or feed to an LLM. Supports Ethereum, Base, Arbitrum, Optimism, Polygon. Unverified contracts return `verified:false`. Live reads with cache fallback.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Verify a Base transaction actually did what a counterparty says it did: confirmation depth, success or revert, value, token, sender and recipient. Use it to confirm an inbound payment before releasing goods or data.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Audits EVM wallet and counterparty addresses on Base for Permit2 drainer exposure, approval phishing history, and OFAC sanctions flags.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Decodes Base Mainnet transaction receipts, EIP-3009 transferWithAuthorization settlements, ERC-20 transfer logs, gas fees, and finality confirmations.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Returns multi-timeframe Base token price history (1h, 24h, 7d, 30d OHLCV summary), Chainlink vs. Uniswap V3/Aerodrome bid-ask spread in bps, and realized volatility skew.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Every $1M+ aggressive market print recorded live from our own trade sockets, with side, price, quantity and notional, recorded since 2026-08-13, filterable by symbol, exchange and time. The free endpoint serves the live tape (newest 100 prints, no filters); this route is the recorded archive behind it.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Source keyword register for billing support wording with verified-note crosswalk; literal vocabulary only. Reuses exactly one existing qualified meeting-notes request. Supplied source goes to the existing Groq model in the USA; existing processor disclosure and cost/margin retained. Notes quotes/owners/deadlines are verified by the unchanged motor first. Extra rules are deterministic; no semantic deadline resolution or specialist advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Source keyword register for research hypothesis wording with verified-note crosswalk; literal vocabulary only. Reuses exactly one existing qualified meeting-notes request. Supplied source goes to the existing Groq model in the USA; existing processor disclosure and cost/margin retained. Notes quotes/owners/deadlines are verified by the unchanged motor first. Extra rules are deterministic; no semantic deadline resolution or specialist advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Compare Source keyword register for competition wording with verified-note crosswalk; 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.
Summarize in 5 styles (bullets, tldr, executive...). Pay per call with USDC (x402) or credits - archtools.dev
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Convert text to natural-sounding audio via ElevenLabs (returns base64 MP3). Pay per call with USDC (x402) or credits - archtools.dev
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Evidence-based due diligence for one Robinhood Chain meme launch. Returns the deployer's prior launch outcomes, launch-family base rates, observed sell execution, launch path, provenance, and one of five evidence states. Complements contract scanners; third-party fields are quoted with attribution. Historical analysis only; not a forecast or safety certificate.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Robinhood Chain Hyperboost graduation evidence for one token. A VERIFIED result requires a Virtuals official candidate matched to an on-chain graduation receipt on chainId 4663. Market fields are a later snapshot; reward and claim amounts remain unavailable without official wallet authentication and are never estimated. Historical evidence only, not a safety certificate and not a trading signal.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Which launch system created this pool, and on what basis. Distinguishes WETH-paired meme launchpads from VIRTUAL-paired launchers. Never claims a launcher is an official Virtuals system without independent verification.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Classify text as positive, negative or neutral with scores and emotion detection. Instant NLP for reviews, support and social. Pay per call with USDC (x402) or credits - archtools.dev
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Gas price on Ethereum right now: gas price, base fee and priority fee in gwei, plus the cost of a simple ETH transfer. Decide whether to transact now or wait. No input needed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
ENS resolve on Ethereum: turn a .eth name into an address, or an address into its primary ENS name (reverse names returned only when verified). Forward and reverse lookup.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
French grammar and spell check / proofreading API: corrects spelling, grammar, agreement and punctuation of French text without changing the style, returns the corrected text. Up to 2,500 characters.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
SITE-WIDE audit — the full 7-part on-page audit (head/meta, alt text, social cards, links, WCAG, schema.org, robots) run across up to 8 pages of one site in a single call. Discovers pages from the start URL's internal links, audits each, and returns per-page scores plus a site-level score, grade, and the issues that repeat across pages. The finished deliverable: one call, whole-site verdict. ?url=&pages=&level=&detail=
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
robots.txt + llms.txt checker: crawler access verdicts for major search AND AI bots (Googlebot, Bingbot, GPTBot, ClaudeBot, PerplexityBot, CCBot, Google-Extended and more), declared sitemaps, syntax warnings, and llms.txt / llms-full.txt presence with structure summary. ?url=any page on the site
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Raw metadata extractor: the complete, unopinionated head inventory of a page — title, charset, lang, canonical, all meta tags grouped by family (OpenGraph, Twitter, Dublin Core, named, http-equiv, itemprop), every link relation, and JSON-LD returned as parsed objects. For agents doing their own processing (head-check audits the same data; this just dumps it). ?url=
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
One-call market snapshot for one crypto perpetual across every tracked venue — funding rate, annualized carry with contango/backwardation structure, open interest, 24h volume and mark price in a single response. Bundles funding/carry/open-interest/volume-24h so an agent makes one paid call instead of four.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Open interest per venue for one crypto perpetual, with mark_price alongside — positioning and crowding across tracked CEX and DEX perp venues. Raw value: units vary per venue, see units_note in the response.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Oracle price-source family classification across tracked crypto perp venues — which venues derive their index price from the same upstream feed. Basis-risk awareness for cross-venue and funding-arb strategies: two venues sharing an oracle family will not diverge independently, so a spread between them is not the hedge it looks like.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Add-on, historical placement: seasonal percentile for the current point, frequency, the percentile table, and the method and source used to compute them. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.0050 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
[3-LEG] Grid reliability chain, one balancing authority (?entity=us-ercot): leading EIA-930 day-ahead demand forecast approaching recent peak, about one day of lead -> current current demand against capacity tightness -> realized reserve and interchange response (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: US EIA-930. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.25 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Heuristic risk checks for a Base ERC-20: contract code, metadata, proxy, owner/renounced, mint/blacklist/pause/fee selectors, deepest Uniswap/Aerodrome pool, and simulated sell/buy transfers with measured tax. Read-only public RPC. Not financial advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Aggregated-exchange daily perpetual funding rate per asset, last N days. Raw feed — no annualisation, no z-score. Cheap historical input for carry-trade backtests and crowding diagnostics. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Per-asset snapshot or daily series — composite score, rank, recent returns, realised volatility, Sharpe ratios, plus macro regime with confidence. The 200+ asset master ranking feed for portfolio construction and rotation. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Kapitalkurve und Netto-Kennzahlenblock. Netto-Cash-Ergebnisse; negative Kapitalwerte und Drawdowns über 100 % werden sichtbar, nicht abgeschnitten. 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.
Unpredictable LLM benchmark: machine-readable leaderboard (accuracy, contamination gap) across all runs.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Decode a BOLT11 Lightning invoice (network, amount, payment_hash, description). ?invoice=lnbc...
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Ethereum function signature lookup. ?selector=0xa9059cbb
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Which drugs did the FDA just approve, and who is the sponsor? Bulk feed over openFDA Drugs@FDA approvals, newest-first by approval date — a new approval or supplement is a commercial-launch moment. Cursor-paginated up to 1000/page, filterable by sponsor, submission type (ORIG/SUPPL), marketing status, or since. Rows carry the sponsor, application number/type, brand names, active ingredients, dosage/route, and marketing status. Observational public records, never a clinical recommendation.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
HubVibe Agent (quick): hand it any task in plain words and get the finished result in one call. Research a company or a person of interest, check a website, screen a name, read the markets, compare options, pull the facts: you get a headline, the key points, the full answer, its sources and every tool step. Up to 4 steps. Charged only when the answer is delivered. Input: task; optional context, fields for a JSON answer, language.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Fetch an Ethereum block header and transaction hashes by number, tag, or hex via eth_getBlockByNumber
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Random UUID v4 — idempotency keys and x402 requestKeys on demand; canonical $0.001 target for testing x402 stacks
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-25.
Latest Ethereum block height - current chain tip via eth_blockNumber
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.