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Showing the 22,608 endpoints that answered our last unpaid knock, most recently knocked first. The catalogue holds 83,982 listings in all: 21,807 charge, 860 answered without asking, 9,832 did not reach a working endpoint, and 51,483 we have never knocked on. Type something above to search all of them.
List your prepaid cards (status, last4, balance — never full card numbers; those are per-card via GET /cards/:id).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
What are the basic facts of this chain (CAIP-2 id, gas token, explorer, x402/MPP settlement, stablecoins)? Cited chain facts from a prepared dataset: CAIP-2 chain id, gas token, finality class, block explorer, whether x402 and MPP settle there, and stablecoins. Fields not established from a source are the string "unknown". Unknown chains and malformed input return 404/400 and are never charged.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
cryptoanalysis.info daily Bitcoin advisory call for the previous UTC day, with confidence and bounded completed-session history.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
cryptoanalysis.info daily Bitcoin advisory call for the current UTC day, with confidence and bounded completed-session history.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Retrieve a prepaid card you own: full card number, CVV, expiry, balance. Owner-verified ($0.01 ownership proof).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Scores how much a package costs to depend on, using the resolved graph rather than a guess. Four measurements: the number of transitive nodes, the maximum depth, how many packages appear at more than one version, and the fan-out of the root. From those comes a grade from A to E with every threshold returned, so the judgement can be recomputed with different weights.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
The funnel, honestly, for one seller over the indexed window: settled USDC and purchases, distinct buyers, organic share after self-test exclusion, recurring buyers, buyer half-life and the facilitator mix.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Payer dossier for one wallet over the indexed window: label (organic / operator / self-test / unseen) with evidence, USDC spent, purchases, sellers paid, facilitators used, cadence class, active days, top-5 basket and the operator cluster if there is one.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Childcare comparison for parenting and family agents worldwide — daycare/nursery vs nanny vs au pair vs childminder with local cost ranges, quality indicators, and subsidy programs (US CCDF/FSA, UK free hours/Tax-Free Childcare, Canada $10-a-day, Australia CCS, Germany Kita). What childcare fits my budget?
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Deterministic apparent tropical ephemeris with signs, motion, lunar phase, aspects, provenance and audited error bounds.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Estimate password strength: score, guesses, crack-time and feedback. Never stored.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Pharma patent cliff / drug patent expiry / generic-entry analysis by drug name (e.g. Humira, Ozempic). Returns the patent expiry calendar, exclusivity timeline, and generic/biosimilar entry outlook across US, EU, and Japan, plus related USPTO patents. For IP and investment agents. Worldwide.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Demo weather - current conditions for New York City
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Full-history address-poisoning check before you send USDC on Base. Same risk/lookalike/seenBefore logic as /address/check, but funding history comes from ONE Blockscout index call (x402, up to the sender's 500 most recent Base USDC transfers; v2 page fallback) so coverage is usually the sender's full Base USDC history. Body {from, to}. Not charged if the index is down. Cheap partial/RPC tier: POST /address/check ($0.001).
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
x402 payability check: reachable + well-formed 402 + (Solana) destination-ATA existence
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
A Base block read live from the chain: timestamp, transaction count, base fee, gas used and limit, miner. Pass ?n=<number> or omit for the latest block. No third-party API, no cache.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Unpriced in the listing, which is not the same as free. it demanded payment when we knocked, on 2026-10-24.
Apply an RFC 7396 merge patch to supplied JSON with own-property-safe object construction; no stored data is changed.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
OrionCMD Checks: Certificate status from CT logs + live HTTPS probe. Issuer, validity, days left, % of lifetime used, renewal cadence and a renewal-stall heuristic from Certificate Transparency logs (NOT the live served cert), plus a live HTTPS pass/fail probe from Cloudflare's edge.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Convert amounts between ISO 4217 currencies using ECB daily reference rates (Frankfurter). Use for invoices, travel budgets, expense reports, and shopping comparisons when you need a verifiable rate instead of LLM arithmetic. Not live tradable FX — rates follow ECB business-day publication.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Counterparty reputation lookup for x402 payments: aggregated post-hoc reports (scam, non-delivery, prompt injection, overcharge, impersonation, replay abuse) filed by other agents, with distinct-reporter counts and risk level.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
ICS threat actor profile. Pass ?name=SANDWORM. Returns MITRE ATT&CK ICS techniques, known malware, attribution, physical impact, targeted sectors, and OT detection recommendations. Alias lookup supported: Volt Typhoon→VOLTZITE, APT44→SANDWORM. Covers all Dragos Activity Groups.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Use when an agent or user wants a warm original affirmation plus a calm word — gentle encouragement from the Synthetic Universe. Pure compute, no upstream. Optional session id avoids repeats. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Resolve a URL redirect chain before an agent follows a link. Return the final URL, HTTP status, redirect count, and chain for URL verification and safe navigation.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Inspect HTTP response headers before an agent trusts or integrates a URL: content type, cache controls, CORS, HSTS, CSP, framing, referrer, permissions policy, server, ETag, and last-modified.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Extract webpage metadata for agent research and URL triage: title, description, canonical URL, Open Graph, and Twitter metadata from a public page.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Search real-time breaking news, market events, and press releases via the Brave News index. Returns fresh articles, publishers, and timestamps. Provide ?q=topic.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
What exactly does this provider support, where is it licensed and what does it charge? Full cited record for one provider: stablecoin rails, corridors, licences, published fees, coverage, developer and agent-payment support. Every fact has source URL, retrieval date, quote and confidence.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Provide a Tempo or Base recipient address and optional UTC bounds within a maximum 31-day window (default seven days). Receive JSON from public chain data with incoming stablecoin transfers, totals, and product, protocol-fee, or unknown classifications.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Lookup registered caller name (CNAM identity), real-time line status (active vs. inactive), telecom carrier, and line type via Twilio. Provide ?phone=+14157012311.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
What are the symbol, name, decimals, contract address and issuer of this stablecoin on this chain? Cited stablecoin token facts from a prepared dataset (USDC, EURC, USDT, PYUSD, DAI on the chains /v1/chain covers, where a permissively licensed source lists them): symbol, name, decimals, contract address, chain, issuer, each with a source citation and license. Fields not established from a source are the string "unknown". Malformed input and tokens not in the dataset return 400/404 and are never
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.001 USDC via x402 on Base. SYNTHORA.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
[3-LEG] Land border chain, one crossing (?entity=laredo-world-trade): leading upstream pressure - lead traffic, staffing and inspection intensity -> current current CBP border wait times by lane -> realized commercial freight delay (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: US CBP. 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 2026-10-24.
Add-on, calibrated units: normalized_index and pct_to_action so readings compare across stations. When the line has no calibration basis you get 422 with no_charge:true and reason:no-calibrated-for-this-line, and are NOT billed. Every record carries an offline-recomputable record_hash. $0.0050 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
What are agents asking for that they cannot buy yet, aggregated over 30 days. From our own measurements: calls we rejected on an uncovered value where the caller had already presented payment (kind is typically coin, country, vies_country, monitor_host or sms_service — free-form values possible), free requests filed by agents, and settled $0.01 intents. Demand at one provider, not a network-wide picture. Aggregates only: no wallets, no free text, no subject ids.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Claude pricing table: what every Claude model costs per token right now — Claude 5, Claude Opus, Claude Sonnet, Claude Haiku — from Anthropic and every provider that resells or hosts them (Bedrock, Azure, Vertex, OpenRouter, Fireworks). Input, output, cache and batch USD per 1M tokens, sorted cheapest first, so you can compare Claude inference cost across hosts and pick the cheapest place to run one. Normalized, cross-checked, refreshed hourly.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Recent Kaspa blocks (max 144 per call = $1.44 cap). Optional chain_only flag to filter selected-parent chain blocks. AI agent API for backtesters and indexers. Informational research data — not investment advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Search and read in one call: a web search plus the full page text of the top results, for $0.030 — cheaper than a separate search and reads. Send a query, get back results (position, title, url, snippet) enriched with the page's readable content as markdown or text. You get the number of pages you asked for: a paywalled result is replaced by the next readable hit, and anything still missing falls back to the snippet, labelled content_source. USDC on Base, no account.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Kaspa network hashrate (H/s) + difficulty trend from 5-minute snapshots of the public Kaspa node REST observer (api.kaspa.org). Post-fork mining-security telemetry. Informational research data — not investment advice.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Business Frameworks — Pay the owner first, applied to the caller's own numbers. Send the owner's hours, the market wage for that work and the reported cash flow; get the cash flow after a market wage — and whether the business is a job that loses money. Deterministic (the node's rule, no model); returns the worked decision plus the node text and its public citations. Schema at GET /apply/cash-flow/decide/owner-pay.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
Business Frameworks — Keep the runway, applied to the caller's own numbers. Send a period-by-period cash forecast; get the first breach of the must-pay-plus-reserve floor and the action order with amounts. Deterministic (the node's rule, no model); returns the worked decision plus the node text and its public citations. Schema at GET /apply/cash-flow/decide/runway.
The price is the seller’s own listing. it answered us without asking for payment, once, on the day we knocked, on 2026-10-24.
ERC-20 token balance of a wallet, read live on-chain: send "token,wallet". Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Google Places (local businesses with rating, address and phone number) for AI agents at $0.010 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top places with position, title, address, coordinates, rating, rating count, category, phone and website. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
ERC-20 allowance a wallet has granted a spender, and whether it is unlimited: send "token,owner,spender". Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
Block by number (or latest): time, hash, transaction count, gas used and limit, base fee, proposer. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
[3-LEG] Power-grid chain, one grid region (?loc=us-ercot): leading demand pressure from heating and cooling degree days -> current renewable availability, solar and wind -> realized energy inflation (CPI energy year-over-year) and gas price (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: EIA, BLS, Open-Meteo. 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 2026-10-24.
[3-LEG] ESG fund greenwash chain, one fund (?entity=blackrock-art9-downgrade): leading label pressure, SFDR Article 9 to 8 downgrade and ESG name removal -> current current classification -> realized rating de-listing and lifecycle (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: SFDR filings and rating registries. 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 2026-10-24.
Per-asset bundle of the latest atomic and composite signal snapshot plus N-day event lookback, grouped by asset. Includes macro regime and confidence. The full signal picture for an agent prompt in one call. 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 2026-10-24.
Which companies have an open or recent FDA drug/device recall? Search openFDA drug + device enforcement (recall) reports by recalling firm, product type (Drugs/Devices), classification (Class I/II/III), status, state, or initiation date (since). Returns the recalling company (entity-resolved where possible), classification, reason, product, and dates — a remediation and competitive-displacement trigger for quality and med-device sellers. openFDA public-domain records; observational.
The price is the seller’s own listing. it demanded payment when we knocked, on 2026-10-24.
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.