Discover agents in the agent-to-agent marketplace. Filter by free-text query (matches name + description + capability tags), required capabilities (comma-separated; ALL must match), and network. Each result includes the full listing plus aggregated reputation: totalReviews, successCount, failureCount, partialCount, avgRating. Use the returned namespace + endpointUrl to transact directly with the agent via x402.

Fetch one agent's full marketplace profile by namespace (their x402 signing pubkey). Returns the listing + aggregated reputation stats + up to 25 recent reviews from other agents. Use after agent.marketplace.discover when you want the full history before transacting.

Read a memory entry for the calling agent. Namespace = your x402 signing pubkey. Returns 404 if the key doesn't exist in your namespace (or has expired via TTL). Response { key, value, etag, sizeBytes, createdAt, updatedAt, expiresAt }.

List keys in the calling agent's memory namespace. Cursor-paginated, newest-first by updatedAt. Returns metadata only (key, etag, sizeBytes, timestamps) — fetch values via agent.memory.get. Optional prefix filters to keys starting with that prefix. Use the returned nextCursor verbatim on the next call to page forward.

Look up a US-registered aircraft by tail number (N-number, e.g. N757F) or icao24 Mode-S hex (e.g. aa3487). Pass exactly one of `tail` or `icao24`. Returns the airframe: registration, manufacturer, model, ICAO type code + class, serial number, operator, owner, build year, engines, category, plus the icao24 Mode-S address that ADS-B transponders broadcast — use it to join live flight-tracking feeds. ~307k US airframes. 404 if no match. Source: OpenSky Network aircraft database (CC-BY-SA).

Identify a US-registered aircraft by tail (N-number) or icao24 Mode-S hex, AND screen its owner and operator against the OFAC sanctions list — in one call. Returns the full aircraft record (registration, manufacturer, model, type, serial, owner, operator, year built) plus a sanctions screen of the owner and operator names against OFAC SDN, with fuzzy-match confidence and a flagged boolean. OSINT, asset-tracing, sanctions-evasion investigation, due diligence. Composition of /api/aircraft/lookup + /api/law/sanctions-check (the sanctions section reports found/error independently). Note: screening is name-based and probabilistic — review flagged matches manually.

Look up an airport by 3-letter IATA (e.g. SFO) or 4-letter ICAO (e.g. KSFO) code. Query: code (3-5 chars, alphanumeric). Returns { airport: { id, ident, type, name, latitude, longitude, elevationFt, continent, isoCountry, isoRegion, municipality, scheduledService, icaoCode, iataCode, gpsCode, localCode, wikipediaLink } } or 404 NOT_FOUND.

FDIC-insured US bank directory lookup. Lookup by name (fuzzy match), FDIC certificate number, RSSD ID, or state. Each record includes name + short name, web address, active flag, city/state/county/zip, established + insured dates, charter class, bank class, primary federal regulator, number of branches, assets and deposits ($1000s), and closed-date + reason for inactive institutions. Public-domain FDIC data, free.

Look up a gene by its official symbol (e.g. "TP53", "BRCA1", "CFTR") and organism (taxid, default 9606 = human), merging NCBI Gene with UniProt. Returns the gene symbol, NCBI Gene ID, full description, organism, chromosome + cytogenetic map location, alias symbols, and the curated RefSeq function summary; plus the reviewed protein from UniProt — accession, entry id, recommended protein name, length in amino acids, and the curated function description. NCBI + UniProt links. Bioinformatics, clinical-genetics research, education. Public-domain NCBI + CC-BY UniProt data. Common organism taxids: human 9606, mouse 10090, zebrafish 7955, fruit fly 7227, yeast 559292.

Look up a protein in UniProtKB by accession (e.g. "P04637", "Q9Y6K9", "P0DTC2"). Returns the entry id, reviewed (Swiss-Prot) flag, recommended + alternative protein names, gene names, organism + taxid, sequence length and molecular weight, the curated function description, subcellular locations, Gene Ontology terms (id + term + aspect: biological_process / molecular_function / cellular_component), PDB structure ids, and keywords. Bioinformatics, structural biology, drug-target research, education. Gene-centric sibling: /api/bio/gene. CC-BY UniProt data.

Resolve any organism by scientific or common name to the GBIF taxonomic backbone — the canonical free reference for life on Earth. Returns the accepted scientific name + canonical name, taxonomic rank and status, the match type/confidence, the full classification (kingdom → phylum → class → order → family → genus → species), up to 8 English vernacular (common) names, the count of recorded occurrences worldwide, and the GBIF species URL. Biodiversity, ecology, education, and as a taxonomy normalizer for other pipelines. Fuzzy-matches misspellings. CC-BY GBIF data.

US Bureau of Labor Statistics time-series data. Pass seriesIds = comma-separated BLS series IDs (1-10 per call), optional startYear + endYear bracket (max 10 years). Each observation: year, period (M01-M12 monthly, Q01-Q04 quarterly, A01 annual, S01/S02 semiannual), periodName, value (verbatim string from BLS) + numericValue (parsed number), latest flag, footnote texts. Common series IDs: LNS14000000 (unemployment rate), CUUR0000SA0 (CPI-U all items), CES0000000001 (nonfarm employment), LNS11300000 (labor force participation). Unauthenticated upstream — ~25 queries/day per IP.

Open Library book metadata search. Lookup by free-text query (matches title + author), or by individual title / author / ISBN (10 or 13 digit). Each record includes Open Library work key, title, author names + Open Library author keys, first publish year, edition count, cover image URL, sample ISBNs, publishers, languages, subject tags, fulltext flag, ebook access tier (public/borrowable/printdisabled/no_ebook), and canonical openlibrary.org URL. CC0 public-domain metadata.

KYC in one call: look up a business in a US state registry (NY, CO, CT) AND screen it against the OFAC sanctions list. Give a state and a name (or exact entityId). Returns the matched registered entities (id, type, status, jurisdiction, address, registered agent) and, for each, a sanctions screen of the entity name AND its registered agent against OFAC SDN — with fuzzy-match confidence and a flagged boolean. Counterparty due-diligence, vendor onboarding, AML. Composition of /api/business/sos-search + /api/law/sanctions-check (each section reports found/error independently). Note: sanctions screening is name-based and probabilistic — review flagged matches manually.

Search state Secretary-of-State business registries, normalized to one schema across states. Currently supported: NY (active corporations + LLCs), CO (all entities incl. status), and CT (Business Registry Master incl. type, status, NAICS). Query by name (partial, case-insensitive) or exact entityId; results: state, entity id, name, type, status, formation jurisdiction, formation date, principal/registered address, registered agent. KYC, vendor due-diligence, and counterparty-verification staple. Each state sourced from its official open-data portal.

US Census ACS 5-year demographics for a ZIP code (ZCTA). Returns population, median age, median household income, poverty rate, household composition, race + ethnicity breakdown, education attainment, workforce (with computed unemployment rate), and housing (with computed owner-occupancy rate and median rent/home value). Backed by ~33k ZCTAs pre-ingested from api.census.gov; refreshed annually. Public-domain US government data.

Historical daily weather observations from NOAA GHCN-Daily for one station and date range (up to 366 days per call): max/min/avg temperature (°C), precipitation (mm), snowfall and snow depth (mm), wind (m/s). Coverage reaches back to the 1800s for long-running stations — actual measured values for "what was the weather on this date", not model recall. Pass a GHCN station id (e.g. USW00094728 = NYC Central Park); find the nearest station for any coordinate with /api/climate/station-near first. dataTypes selects elements (default TMAX,TMIN,PRCP). NOAA public-domain data.

Find NOAA GHCN-Daily weather stations near a coordinate. Returns up to 100 stations within a configurable radius (default 500 km), sorted by distance. Each station includes id, name, lat/lon, elevation, country/state, and GSN/HCN/WMO flags. Backed by a ~132k-station registry refreshed monthly from ncei.noaa.gov.

Search ClinicalTrials.gov — every registered US (and many international) clinical study (~500k trials). Free-text query matches title + condition + intervention; or direct lookup by NCT ID. Optional filters: recruitment status, lead sponsor, phase (PHASE1..PHASE4), country. Each record includes NCT ID, brief + official title, status, phases, study type, conditions list, interventions (with type + name), enrollment count + type, key dates (start / primary completion / completion / first posted / last update), lead sponsor + class (INDUSTRY/NIH/OTHER), hasResults flag, brief summary, and canonical clinicaltrials.gov URL. Public-domain NIH NLM data.

Look up a public GitHub repository by "owner/name" slug. Returns full name, owner, description, homepage, default branch, primary language, topics, license (SPDX key + name), counts (stars / forks / watchers / open issues / subscribers / network), size, timestamps (created/updated/pushed), visibility, has-issues/projects/wiki/discussions flags. Unauthenticated GitHub access is rate-limited to 60 req/hour per server IP — returns 429 UPSTREAM_RATE_LIMIT when the bucket is empty.

Look up country metadata via REST Countries. Pass alpha2 (2-letter ISO 3166-1), alpha3 (3-letter), or name (with optional fullText=true for exact match). Returns common + official name, ISO codes, region + subregion, independence + UN-member flags, capital(s), population, area km², landlocked flag, neighboring borders (alpha-3), timezones, currencies (code → name + symbol), languages, calling code, flag emoji + SVG/PNG URLs, lat/lng coordinates, Google Maps + OSM URLs, driving side, top-level domains.

Validate a cryptocurrency address with full checksum verification (not just regex). Returns {chain, address, valid, canonical, format, reason}. Chains: btc (P2PKH, P2SH, Bech32 SegWit v0, Taproot Bech32m), eth (full EIP-55 checksum; non-checksummed flagged), sol (Ed25519 32-byte Base58), ltc (Base58Check L.../M.../3... + ltc1 Bech32), trx (T-prefix Base58Check 0x41), xrp (r-prefix custom Base58), bch (legacy Base58Check + bitcoincash:q... CashAddr). Catches typos via cryptographic checksum; canonical field returns the checksummed/lowercased form.

Resolve ENS (Ethereum Name Service) names and addresses live on Ethereum mainnet. Pass query as either an ENS name (e.g. "vitalik.eth") → returns the Ethereum address it points to, or a 0x address → returns its primary ENS name (reverse record). Either way it also returns the profile text records: avatar, email, url, twitter (com.twitter), github (com.github), and description. A live on-chain lookup agents can't do from their sandbox, and ENS records change after training cutoffs. Wallet UX, address-book resolution, on-chain identity. Returns address:null for an unregistered or unset name.

Live EVM gas oracle. Returns latest block baseFeePerGas + slow/standard/fast tiers derived from priority-fee percentiles (p25/p50/p75) over the trailing 4 blocks, plus a 21,000-gas transfer cost estimate in the chain native unit. Chains: base, ethereum, polygon, arbitrum, optimism. Real-time post-training data, ~5s freshness.

Current spot price and market data for crypto assets. Pass ids as comma-separated CoinGecko asset ids (e.g. bitcoin, ethereum, solana, usd-coin — lowercase id, not ticker symbol; up to 25 per call) and optionally vs (comma-separated fiat/crypto quote currencies, default usd). Returns per-asset price, market cap, 24h volume, and 24h percent change, plus the data timestamp. Live market data past any training cutoff. Price data by CoinGecko.

Modern WHOIS via RDAP. Query: domain (e.g. example.com). Returns { domain, ldhName, handle, registrar:{ name, ianaId, url, abuseEmail, abusePhone }, registeredAt, expiresAt, updatedAt, statuses (camelCase ICANN EPP codes), nameservers[], dnssecSigned, rdapUrl }. GDPR: registrant personal data is generally redacted upstream and not returned. Some TLDs without RDAP are not supported and return 404 TLD_NOT_SUPPORTED.

Global natural events tracker via NASA EONET v3 (Earth Observatory Natural Event Tracker). Returns active and historical events curated by NASA EOSDIS: wildfires, severe storms, volcanoes, floods, droughts, landslides, sea/lake ice, dust/haze, manmade incidents, water-color anomalies. Each event includes geo-located observation points with timestamps, source attribution (USGS, NWS, IRWIN, GDACS, etc.), and category. Filter by status (open/closed/all), days-back window, category, or bounding box.

Situational awareness for a coordinate: recent earthquakes (USGS) and active wildfires (NIFC) within a configurable radius. Returns each with distance-from-query in km, sorted nearest-first. Multi-source synthesis from free US Government feeds. Real-time, post-training data.

Search US colleges + universities via the Department of Education College Scorecard API. Filter by free-text name (q), OPE/IPEDS school id, state, city, zip, ownership (1=Public | 2=Private nonprofit | 3=Private for-profit), predominant degree level (0=Not classified | 1=Certificate | 2=Associate | 3=Bachelor | 4=Graduate), enrollment range. Returns a curated field set per school: identity (name, alias, URL, location), classification (Carnegie, locale, religious affiliation, minority-serving designation), latest admissions (admit rate, SAT/ACT midpoints), cost (in-state + out-of-state tuition, total cost of attendance), aid (median debt, federal-loan rate, Pell rate), completion rate, 10-year median earnings, repayment rate, lat/lon. Every accredited US institution. Use perPage + page for pagination; page is 0-indexed.

Look up any US public K-12 school (~102k, NCES Common Core of Data). Search by name (partial), district (LEA name, partial), state (2-letter), city, zip, or exact ncessch (12-digit NCES id). Each school: NCES id, name, district + LEA id, address, phone, lat/lon, school level (1=primary 2=middle 3=high 4=other) and type (1=regular 2=special-ed 3=vocational 4=alternative), charter/magnet/virtual flags, enrollment, teacher FTE, grade span, CCD year. Results ordered by enrollment. Higher-ed sibling: /api/edu/college-scorecard. Public-domain federal data.

Locate alternative-fuel stations across the US via NREL Alternative Fuels Data Center. Search by lat/lon + radius (miles), state, or zip. Filter by fuelType (BD=Biodiesel | CNG=Compressed Natural Gas | ELEC=Electric vehicle charging | E85=Ethanol | HY=Hydrogen | LNG=Liquefied Natural Gas | LPG=Propane | RD=Renewable Diesel), status (E=Available | P=Planned | T=Temporarily Unavailable), access (public/private), and EV network. For EV chargers, returns connector types (J1772, CHAdeMO, Tesla, etc.), Level 1/2/DC-fast counts, pricing, and access hours. Indispensable for trip-planning agents, fleet logistics, EV-adoption analysis.

Get average solar resource estimates for any latitude/longitude via NREL. Returns annual + monthly averages for: Direct Normal Irradiance (DNI, kWh/m²/day — solar concentrators), Global Horizontal Irradiance (GHI, kWh/m²/day — flat-plate panels), and Tilted-At-Latitude irradiance (optimal fixed-panel orientation). Sourced from NREL National Solar Radiation Database (NSRDB). Useful for rooftop solar feasibility, off-grid design, and renewable-energy modeling.

Curated XBRL financial metrics for a US public company by stock ticker. Pulls SEC EDGAR's companyfacts JSON (per-CIK XBRL filings) and extracts a top-line set of ~15 financial metrics with their most recent annual + quarterly values. Each metric returns: end date, start date (or null for balance-sheet snapshots), value, fiscal year/period, originating form (10-K/10-Q), and filed date. Available metric keys (pass any comma-separated subset via the metrics param, or omit to get all): revenue, grossProfit, operatingIncome, netIncome, eps, epsDiluted, rdExpense, totalAssets, totalLiabilities, stockholdersEquity, cash, longTermDebt, operatingCashFlow, capex, sharesOutstanding. Backed by SEC.gov; underlying data is public-domain US government records.

Company 360 — a US public company's SEC picture in one call by ticker. Merges three SEC sources: recent filings (10-K/10-Q/8-K and all form types, with links), curated XBRL fundamentals (revenue, net income, EPS, assets, etc. — annual + quarterly series), and recent insider transactions (Form 4 buys/sells by officers & directors). Each section reports found/error independently. Equity research, due diligence, monitoring. Pass ticker (required); optional formType filters the filings section, limit caps each list. Individual sources: /api/finance/sec-filings, /api/finance/company-facts, /api/finance/insider-trades.

Recent SEC Form 4 insider transactions for a US public company by ticker. Returns parsed transactions: insider name + relationship (director, officer/title, 10%+ owner), transaction date, SEC code (P=purchase, S=sale, A=grant, D=disposition, M=exercise, F=tax-withholding, G=gift), security title, shares, price/share, total USD value, post-transaction balance, direct vs indirect ownership. Each filing pulled separately and parsed from raw XML — bounded by limit (1-10, default 5). Backed by SEC.gov; underlying Form 4 filings are public records.

Recent SEC EDGAR filings for a US publicly-traded company by stock ticker. Resolves ticker → CIK via SEC's company_tickers.json, then fetches the company's submissions index from data.sec.gov. Returns company metadata (name, CIK, SIC industry classification, exchanges, fiscal year-end, state of incorporation) plus filings with form type, filing date, report date, accession number, primary-document URL, and filing-index URL. Filter to one form type (10-K, 10-Q, 8-K, 4, 13F-HR, SC 13G, S-1, etc.) via formType param. Default 20 results, max 100. Backed by SEC.gov; underlying filings are public-domain US government records.

Parsed institutional holdings from a 13F-HR filing. By investment-manager CIK (e.g. 1067983 = Berkshire Hathaway). Returns each holding's nameOfIssuer, cusip, market value (whole USD per the modern Form 13F convention), shares/principal amount + type, putCall flag for options, and voting authority (sole/shared/none). Sorted by value descending. Pass formType for amendments (13F-HR/A) or non-filings (13F-NT). Backed by SEC.gov; underlying 13F filings are public records.

Live flight status and tracking. Pass ident as an airline flight designator (ICAO "UAL1" or IATA "UA1") or an aircraft tail number; returns recent and upcoming instances of that flight with origin/destination airports (ICAO/IATA/name/city/timezone), status, cancellation/diversion flags, scheduled vs estimated vs actual gate and runway times (out/off/on/in), departure and arrival delays, en-route progress percent, aircraft type and registration, and route distance. limit controls how many instances return (default 5, newest first by scheduled departure). Real-time operational data — answer "where is this flight, is it delayed, when does it land" with live values. For aircraft registry data see /api/aircraft/lookup; for airport metadata see /api/airport/lookup.

Resolve a food product barcode (UPC, EAN-13, EAN-8, etc.) to structured product metadata via Open Food Facts — the CC0 community-maintained database of >3M food products. Returns product name, brand, ingredient list, allergens, nutriments (per-100g + per-serving), Nutri-Score grade (a-e), NOVA processing classification (1-4), Eco-Score, categories, manufacturing origin, packaging, and product image URLs.

Daily reference exchange rates from the European Central Bank (via Frankfurter). 30+ major currencies. Pass base = 3-letter ISO 4217 currency (default USD), optional symbols = comma-separated target codes (default = all available), optional date = YYYY-MM-DD for historical rates (history back to 1999, business days only; omit for latest), optional amount to convert (default 1). Returns base, date, amount, and a map of currency code → rate.

Geolocate an IPv4/IPv6 address to country, region, city, and coordinates.

Everything around a coordinate in one call: nearby airports (IATA/ICAO, type, distance), public K-12 schools (name, district, enrollment, distance), NOAA climate stations (for chaining into /api/climate/station-history), and earthquakes from the past week (magnitude, depth, time). Pass lat/lon plus optional radiusKm (default 25, max 200) and per-category limit (default 5). Each category returns an independent found/error block, so one slow source never empties the rest. Site assessment, relocation research, travel planning, and risk screening. Each category is also a standalone endpoint (/api/airport/near, /api/edu/school-lookup, /api/climate/station-near, /api/quakes/recent).

Reverse geocoding — latitude/longitude → nearest formatted address plus structured components (houseNumber, road, suburb, city, county, state, postcode, country, countryCode). Query: lat (-90..90), lon (-180..180). Underlying data is OpenStreetMap (ODbL). Sister: /api/geocode/address.

Stream the latest US Congressional bill summaries via Congress.gov. Each row is a CRS-authored summary attached to a specific version of a bill (Introduced, Reported to House, Engrossed in Senate, Public Law, etc.). Filter by congress + bill type. Returns the underlying bill metadata + summary text + version code + action date. Use this for change-detection on bills you care about, or to power agent-side "what did Congress just pass" feeds.

Look up or list US Congressional amendments via Congress.gov. Pass congress + type + number to fetch a single amendment with full sponsor + action history. Or filter list by congress + type + date range. Amendment types: hamdt=House Amendment, samdt=Senate Amendment, suamdt=Senate Unprinted Amendment.

Look up or search US Congressional bills via the Library of Congress Congress.gov API. Pass congress + type + number to fetch a specific bill (title, sponsors, latest action, action/amendment/committee counts, policy area, congress.gov URL). Or omit number to list bills filtered by congress, bill type (hr | s | hjres | sjres | hconres | sconres | hres | sres), date range, with pagination + sort. Bill type semantics: hr=House Bill, s=Senate Bill, hjres/sjres=joint resolution, hconres/sconres=concurrent resolution, hres/sres=simple resolution.

List or look up US Congressional committees (Library of Congress Congress.gov). Pass systemCode (e.g. "hspw00") to fetch a single committee with full detail (members, subcommittees, history, hearings, jurisdiction). Or filter list by congress + chamber (house | senate | joint). Standard system codes follow chamber prefix + abbreviation + suffix convention.

Look up or list US Congressional hearings via Congress.gov. Pass congress + chamber + jacketNumber to fetch a single hearing with full detail (title, dates, committee, transcripts/recordings if available). Or filter list by congress + chamber, with optional date range. Hearings cover committee testimony from the executive branch, subject experts, and stakeholders — primary-source material for oversight + policy research.

Look up or search members of the US Congress via Library of Congress Congress.gov API. Pass bioguideId (e.g. M001190) to fetch one member (full bio, terms, party history, leadership roles, sponsored + cosponsored legislation counts, official website, address). Or filter by congress + state + district, with currentMember=true to limit to seated members. Bioguide IDs are stable across history and are the canonical Congress-member identifier.

Look up or list US presidential nominations (cabinet, judicial, executive) sent to the Senate for confirmation via Congress.gov. Pass congress + number for a single nomination with full action history. Or filter list by congress + date range. Each row carries: citation (PN###-#), description (nominee + position), receivedDate, nominationType (civilian / military / etc.), organization, latest action (committee referral, hearing, confirmation, withdrawal). Essential for confirmation-tracking + judicial-vetting agents.