2s.io

What's happened in a given topic since a given date?

US Drought Monitor severity for a county (5-digit FIPS) or state (2-letter code).

USDA NASS QuickStats — authoritative US agricultural statistics: crop yields, acreage, production, livestock inventory, and prices received.

OpenAI-compatible chat completions across every frontier model on one endpoint — GPT-5, Claude, Gemini, Grok, DeepSeek, Llama, Mistral and ~290 more.

Zero-shot text classification.

Ask several frontier models the same question and get one synthesized answer.

Describe an image.

Named-entity recognition.

Extract structured data from a webpage.

Generate images from a text prompt across the gateway’s image models (gpt-image, Gemini image, FLUX, Grok Imagine, …) on one endpoint.

Content moderation.

OCR + layout extraction.

PII detection.

Grounded research brief.

Render a URL as a screenshot.

Sentiment analysis.

Summarize a webpage.

Translate text.

Answer a question from the live web.

Look up an airport by 3-letter IATA (e.g.

Airports within a radius of a coordinate, sorted by distance.

Search the NTSB civil aviation accident & incident database (CAROL) — US events from 1962 to present plus selected foreign investigations.

Current aviation weather observation (METAR) for one or more airports.

Active in-flight weather hazard advisories (SIGMETs and AIRMETs) from the NOAA Aviation Weather Center.

Terminal Aerodrome Forecast (TAF) for one or more airports — the official aviation forecast issued for an airport (~24–30h ahead).

FDIC-insured US bank directory lookup.

Generate QR / Aztec / Data Matrix / PDF417 codes from structured payloads (url, wifi, vcard, vevent, email, sms, tel, geo, bitcoin, json, text).

Run up to 50 endpoint calls behind ONE x402 payment.

Look up a gene by its official symbol (e.g.

Look up a protein in UniProtKB by accession (e.g.

Resolve any organism by scientific or common name to the GBIF taxonomic backbone — the canonical free reference for life on Earth.

US Bureau of Labor Statistics time-series data.

Open Library book metadata search.

Brazilian company registry lookup by CNPJ (the 14-digit national company tax ID).

Fuzzy entity resolution: resolve a messy, free-text company name to its canonical GLEIF Legal Entity Identifier (LEI) with a 0-1 similarity score and a high/medium/low confidence label.

Full business-entity dossier from a state registry — master record plus officers/principals, registered agent (name, phone, email, address), and filing history — the detail layer that flat registry search omits.

KYC in one call: look up a business in a US state registry (NY, CO, CT) AND screen it against the OFAC sanctions list.

Official Finnish company registry search (PRH/YTJ avoindata, Finnish Patent & Registration Office).

Official French company registry search (annuaire des entreprises / data.gouv.fr).

Resolve a legal entity across identifier systems.

Full Know-Your-Business (KYB) intelligence dossier on a company, in one call.

Look up or search the global LEI (Legal Entity Identifier) registry — the authoritative ISO 17442 directory of ~2.6M legal entities worldwide.

Corporate ownership graph for a legal entity by LEI (GLEIF Level-2 relationships, live).

ISIN ↔ LEI mapping (GLEIF, live, CC0).

Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain).

Official Norwegian company registry search (Brønnøysund Enhetsregisteret).

Official Polish company registry lookup by KRS number (KRS — Ministry of Justice, current extract / OdpisAktualny).

Search state Secretary-of-State business registries, normalized to one schema across states.

Official UK company registry (Companies House).

Holiday-aware business-day calculator for 200+ countries.

Earnings release calendar — which US-listed companies report earnings in a date window, with expected and (once reported) actual EPS and revenue, and the time of day (before/after market).

List the official holidays for a country and year, with exact observed dates including substitute days (e.g.

IPO calendar — companies going public (or recently public) in a date window, with the expected date, symbol, name, exchange, price range, number of shares, total offering value, and status (expected/priced/filed/withdrawn).

US Census ACS 5-year demographics for a state or county.

US Census ACS 5-year demographics for a ZIP code (ZCTA).

Look up a chemical compound by CID, common/IUPAC name, SMILES, or InChIKey.

Convert Chinese text between Simplified and Traditional scripts (and regional variants).

Detect Chinese in text: whether it contains Han characters, how many, total length, and a script classification — simplified, traditional, mixed, or han-common (characters identical in both scripts).

Convert Chinese (Hanzi) text to pinyin romanization.

Cross-walk an industry classification code across the four major systems: NAICS <-> SIC <-> ISIC Rev.4 <-> NACE Rev.2.

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).

Find NOAA GHCN-Daily weather stations near a coordinate.

Full ClinicalTrials.gov study record by NCT id — the deep detail beyond clinical.trial-search's summary.

Search ClinicalTrials.gov — every registered US (and many international) clinical study (~500k trials).

Look up a public GitHub repository by "owner/name" slug.

Convert an amount between currencies at a live or historical exchange rate.

Convert a value between units of measure: mass (g, kg, mg, lb, oz, t, st), length (m, km, cm, mm, in, ft, yd, mi), volume (l, ml, m3, gal, gal-imp, qt, pt, cup, floz, tbsp, tsp), area (m2, km2, ft2, acre, ha), and temperature (C, F, K).

Animated countdown GIF from the current UTC time to endDate.

Country-level financial and credit reference data: sovereign credit rating, equity risk premium, country risk premium, default spread, currency (name + ISO code), region/sub-region, and ISO country codes.

Look up country metadata via REST Countries.

Transaction history for an Ethereum address (via Etherscan V2).

Malicious-wallet screen (via GoPlus, free/keyless).

Sanctions-screen a crypto wallet address against the US Treasury OFAC SDN list's published Digital Currency Addresses (BTC/ETH/USDT/XMR and more).

Validate a cryptocurrency address with full checksum verification (not just regex).

Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless).

Bitcoin address summary (free/keyless): confirmed balance (sats + BTC), total received/sent, transaction count, funded/spent output counts, and pending mempool balance + tx count.

Current Bitcoin network fee rates and mempool backlog from mempool.space.

Bitcoin mempool state (free/keyless): current unconfirmed tx count, total vsize, and total fees, plus the most recent transactions (whale radar) — filter with minBtc to surface only large pending transfers.

Bitcoin transaction lookup by txid (free/keyless): confirmed status + confirmation count (vs current tip), block height + time, fee (sats + BTC), total output value, size/weight, and input/output counts.

Unspent transaction outputs (UTXOs) for a Bitcoin address (free/keyless): each with txid, output index, value (sats + BTC), confirmation status, and block height.

Centralized-exchange OHLCV candlesticks for a spot trading pair (e.g.

Centralized-exchange 24h ticker for a spot pair (e.g.

Historical total DeFi TVL time series for a blockchain (e.g.

Full coin profile by CoinGecko id (e.g.

Historical market chart for a coin by CoinGecko id: time-series of price, market cap, and volume over the last N days (1-365) in USD or another vs-currency.

Decode an EVM smart contract.

Decode raw EVM transaction calldata.

DeFi total-value-locked (TVL) metrics via DefiLlama.

DeFi TVL leaderboard across all chains (via DefiLlama, free/keyless): every chain ranked by total value locked, with its native token symbol and chain id.

Protocol fees/revenue or DEX trading volume leaderboards (via DefiLlama, free/keyless).

Historical total-value-locked (TVL) time series for a DeFi protocol by slug (e.g.

DeFi yield & lending rates across protocols (via DefiLlama, free/keyless).

List the 100+ blockchain networks supported by the on-chain DEX endpoints (via GeckoTerminal, free/keyless).

OHLCV candlesticks for a DEX pool (via GeckoTerminal, free/keyless).

Trending or newly-created DEX liquidity pools on a network (via GeckoTerminal, free/keyless).

Search on-chain DEX liquidity pools by token name, symbol, or address (via GeckoTerminal, free/keyless).

All DEX pools trading a given token, by contract address (via GeckoTerminal, free/keyless).

Resolve ENS (Ethereum Name Service) names and addresses live on Ethereum mainnet.

The Crypto Fear & Greed Index — a 0–100 market-sentiment gauge (0 = Extreme Fear, 100 = Extreme Greed) updated daily.

Live EVM gas oracle.

Whole-crypto-market overview: total market cap (USD), total 24h volume, 24h market-cap % change, Bitcoin + Ethereum dominance, count of active cryptocurrencies and markets.

Live perp funding rates, open interest, and mark/oracle/mid prices across 200+ Hyperliquid perpetuals (free/keyless).

Predicted next funding rates per coin across venues (Hyperliquid + Binance/Bybit perps), free/keyless.

The "kimchi premium" — how much higher a crypto asset trades on Korean exchanges (Upbit, KRW) than its global USD price, as a percent.

Top cryptocurrencies by market cap with live price, market cap, 24h volume, and 24h + 7d % change.

Live ERC-721 NFT read (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless).

NFT collection risk screening via GoPlus (free, keyless).

Stablecoin supply leaderboard (via DefiLlama, free/keyless): the largest stablecoins by circulating USD, with peg type (USD/EUR/…), peg mechanism (fiat-backed, crypto-backed, algorithmic), and current price.

On-chain token metrics by contract address (via GeckoTerminal, free/keyless): name, symbol, decimals, on-chain USD price, FDV, market cap, total reserve in USD, 24h volume, total + normalized supply, image, and CoinGecko id.

Live on-chain token metadata for an ERC-20 or ERC-721 contract (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless).

Current spot price and market data for crypto assets.

Token honeypot & rug-pull risk screen (via GoPlus, free/keyless).

ERC-20 token transfer history for an Ethereum address (via Etherscan V2).

The most-searched trending cryptocurrencies on CoinGecko right now (last 24h), each with symbol, name, market-cap rank, and price.

Live EVM transaction status and receipt lookup.

Verifiable random function — deterministic, publicly verifiable randomness bound to your seed and signed by the 2s key.

Search crates.io for Rust packages (keyless).

Convert CSV/TSV text to a JSON array.

Structured deep diff of two JSON values.

Flatten a nested JSON object/array into dot-notation keys.

Search public GitLab projects (keyless), ranked by stars.

Convert a JSON array of objects to CSV.

Infer a TypeScript interface from a sample JSON value.

Infer a Zod schema from a sample JSON value.

Decode a JWT without verifying its signature.

Search the npm registry for JavaScript/TypeScript packages (keyless).

Check whether a shell command is runnable before you (or an agent) run it — a pre-execution gate.

Test a JavaScript regular expression against input text.

Look up an IETF RFC by number.

Search Stack Overflow questions (keyless).

Generate UUIDs.

Resolve a hostname over public DNS and return parsed records.

Certificate Transparency recon for a domain — discover its subdomains and issued certificates from public CT logs (passive attack-surface mapping).

Grade a domain's email-authentication and DNS-security posture from live DNS in one call: SPF, DMARC (policy + alignment), DKIM (for the supplied or common selectors), MTA-STS, TLS-RPT, DNSSEC, CAA, and BIMI.

Domain intelligence in one call — composes DNS, WHOIS/RDAP registration, and the live TLS certificate for a domain.

Modern WHOIS via RDAP.

Global natural events tracker via NASA EONET v3 (Earth Observatory Natural Event Tracker).

Situational awareness for a coordinate: recent earthquakes (USGS) and active wildfires (NIFC) within a configurable radius.

Latest benchmark commodity price with the prior value + % change.

CFTC Commitments of Traders (COT) — weekly futures positioning for a market (free/keyless).

Any series in the Federal Reserve's FRED database (800k+ US & international economic time series).

Browse the Federal Reserve FRED category tree to DISCOVER economic series.

Federal Reserve regional economic data: one snapshot of a FRED regional series across ALL its geographies (every U.S.

The US economic-data release CALENDAR — when official economic reports are published, from the Federal Reserve's FRED.

Point-in-time (vintage) economic data from FRED's ALFRED archive — what an economic figure was AS FIRST REPORTED / as known on a past date, before later revisions.

Latest reading of a curated US macroeconomic indicator, with the prior + year-ago values and YoY % change.

Composite US recession-signal dashboard: the NY Fed model's recession probability (12 months ahead, %), the Sahm-rule real-time indicator (≥0.50 signals a recession has begun), and the 10-Year minus 2-Year Treasury spread (negative = inverted, a classic precursor).

Current US Treasury yield curve — the market yield at every constant-maturity tenor from 1 month to 30 years (1M, 3M, 6M, 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, 20Y, 30Y), each as a percent as of its latest date.

Generate the ANSI ASC X12 997 Functional Acknowledgment for a received EDI interchange.

Parse a raw UN/EDIFACT document (the B2B EDI format used across Europe, Asia, logistics and customs — the international counterpart to ANSI X12) into clean, structured JSON.

Generate an outbound UN/EDIFACT document from JSON — the international counterpart to edi.generate (X12).

Generate a ready-to-send ANSI ASC X12 EDI document from structured JSON.

Parse a raw ANSI ASC X12 EDI document (the format used for B2B purchase orders, invoices, ship notices, etc.) into clean, structured JSON.

Search US colleges + universities via the Department of Education College Scorecard API.

Look up any US public K-12 school (~102k, NCES Common Core of Data).

Validate an email address and return structured signals: RFC syntax validity (isSyntaxValid + reason if not), the normalized address with split local/domain, and boolean flags for isDisposable (throwaway/temp-mail domain), isRoleAccount (info@, support@, admin@, …), and isFreeProvider (gmail/outlook/yahoo/icloud/…).

Great Britain electricity grid carbon intensity (current half-hour) from National Grid ESO.

Retail electricity price and sales for a US state by customer sector (residential, commercial, industrial, transportation, all), monthly, newest first, from EIA.

Locate alternative-fuel stations across the US via NREL Alternative Fuels Data Center.

Electricity generation mix by fuel type for a US state (2-letter) or "US", from EIA — the most recent monthly net generation (thousand MWh) broken out by fuel (natural gas, coal, nuclear, solar, wind, hydro, etc.) with each fuel's percent share and the all-fuels total.

US energy benchmark prices from the EIA (Energy Information Administration) open data API.

Solar irradiance + PV-yield forecast for any coordinate (free/keyless, global).

Get average solar resource estimates for any latitude/longitude via NREL.

Which electric utility serves a US latitude/longitude, and a summary of its published rate plans, from the OpenEI Utility Rate Database (URDB, CC0).

Search the global corpus of published fact-checks (ClaimReview) by free-text claim.

Send a message straight to the 2s team.

Compute a loan or mortgage amortization schedule.

Resolve a bank / financial institution across identifier systems.

Identify a payment card from its BIN/IIN (Bank Identification Number — the leading 6-8 digits).

Headline central-bank policy/benchmark rates side-by-side in one call, normalized: US (Fed effective funds rate), Euro area (ECB deposit facility rate), Japan (BoJ call-money benchmark), United Kingdom (SONIA, which tracks the BoE Bank Rate).

Resolve SEC CIK <-> ticker in both directions.

Curated XBRL financial metrics for a US public company by stock ticker.

Company 360 — a US public company's SEC picture in one call by ticker.

Map a security identifier to its FIGI (Financial Instrument Global Identifier) and metadata via OpenFIGI.

Free-text search for securities across global exchanges via OpenFIGI.

SEC Form 144 filings — notices of PROPOSED insider stock sales (intent to sell restricted/control shares), newest first, via EDGAR full-text search.

Indian bank branch lookup by IFSC code (the 11-character Indian Financial System Code identifying a bank branch).

Recent SEC Form 4 insider transactions for a US public company by ticker.

Packaged US mortgage & housing-rate snapshot in one call: latest 30-year and 15-year fixed mortgage rates, the 10-year Treasury yield (which mortgage rates track), the effective federal funds rate, the median sales price of houses sold, and housing starts.

Recent SEC EDGAR filings for a US publicly-traded company by stock ticker.

Universal security-identifier resolver.

Parsed institutional holdings from a 13F-HR filing.

SEC EDGAR XBRL Frames — one financial concept reported by every public filer for a single period, for cross-company screening and comparison.

Live airport activity board.

Scheduled flights between two airports over a date window.

Live flight status and tracking.

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.

UK Food Standards Agency food hygiene ratings (FHRS) for an establishment.

Daily reference exchange rates from the European Central Bank (via Frankfurter).

Historical daily exchange-rate series from the European Central Bank (via Frankfurter), with computed summary statistics.

Ground elevation above sea level for a coordinate, anywhere on Earth.

Determine the FEMA flood zone for a coordinate.

Geolocate a single IPv4 or IPv6 address.

Static risk & context dossier for a US location.

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).

Resolve a postal/ZIP code to its place name(s), administrative divisions, and coordinates.

Resolve a US ZIP code to the census tract(s), county, CBSA (metro), and congressional district it covers — each with HUD-USPS allocation ratios (by residential, business, other, and total address counts).

Forward geocoding — free-text address or place name → latitude/longitude plus structured address components (houseNumber, road, suburb, city, county, state, postcode, country, countryCode).

Reverse geocoding — latitude/longitude → nearest formatted address plus structured components (houseNumber, road, suburb, city, county, state, postcode, country, countryCode).

Branches of a repository: name, head commit sha, and protection flag.

Commit history for a repository: sha, message, author name + GitHub login, date, and URL.

Top contributors to a repository, ranked by commit count: login, contributions, account type, and profile URL.

List issues for a repository (pull requests excluded): number, title, state, author, labels, comment count, and created/updated times.

Programming-language breakdown of a repository: each language with its byte count and percentage of the codebase, sorted by size.

List pull requests for a repository: number, title, state, author, draft flag, merged status + time, head/base branch, and created time.

Fetch a repository's README, decoded to UTF-8 text (name, path, size, content, URL).

List a repository's releases: tag, name, draft/prerelease flags, author, published time, and release notes body.

GitHub repository metadata: full name, owner, description, stars, forks, watchers, open issues, primary language, topics, SPDX license, default branch, homepage, archived flag, and created/updated/pushed timestamps.

List a user or organization's repositories (each with stars, forks, language, topics, license, timestamps).

Search code across GitHub with the code-search syntax (e.g.

Search GitHub repositories with the full query syntax (e.g.

Git tags of a repository (name + commit sha), most recent first.

GitHub user or organization profile: login, name, company, blog, location, bio, type (User/Organization), followers, following, public repo + gist counts, and account creation date.

Quarterly real GDP by US state from the Bureau of Economic Analysis (BEA) Regional accounts — all-industry total, in millions of chained (inflation-adjusted) dollars.

Stream the latest US Congressional bill summaries via Congress.gov.

FMCSA motor-carrier (trucking/bus company) safety profile.

Look up or list US Congressional amendments via Congress.gov.

Look up or search US Congressional bills via the Library of Congress Congress.gov API.

List or look up US Congressional committees (Library of Congress Congress.gov).

Track US House members' financial-disclosure filings — including Periodic Transaction Reports (PTRs), the STOCK Act filings where members must disclose their stock trades within 45 days.

Look up or list US Congressional hearings via Congress.gov.

Look up or search members of the US Congress via Library of Congress Congress.gov API.

Look up or list US presidential nominations (cabinet, judicial, executive) sent to the Senate for confirmation via Congress.gov.

List daily Congressional Record issues via Congress.gov — the official transcripts and proceedings of the US House and Senate, daily.

Search individual US Congress member stock trades, parsed from STOCK Act Periodic Transaction Reports into clean rows.

Look up or list international treaties transmitted to the US Senate for advice and consent via Congress.gov.

Search ACTIVE US federal contract opportunities (solicitations, combined synopses, sources-sought, RFPs/RFQs) from SAM.gov.

Federal counterparty due-diligence dossier on one name, in a single call.

FEMA disaster assistance dollars — how much federal aid was approved or obligated for a declared disaster, by place.

FEMA federal disaster & emergency declarations — every federally declared disaster since 1953, including the ones declared this week.

Resolve a US street address to its congressional district (119th Congress), state, and county, via the US Census Bureau geocoder.

Look up entities registered to do business with the US federal government in SAM.gov.

EPA Facility Registry Service (FRS) — every regulated facility known to the EPA across all programs (RCRA hazardous waste, NPDES water discharge, SDWA drinking water, TRI toxic release, CAA Clean Air, Superfund, etc.).

Search EU public-procurement notices from TED (Tenders Electronic Daily) — the official journal of European public tenders.

Check whether a person or company is excluded (debarred or suspended) from receiving US federal contracts, grants, or assistance — the SAM.gov Exclusions list.

HUD Fair Market Rents (FMR) for a US county or state — HUD’s annual gross-rent estimate (rent + utilities) by bedroom size (efficiency through 4-bedroom), the basis for Housing Choice Voucher payment standards and other HUD programs.

Resolve an FCC ID (printed on US wireless/electronic devices) to the grantee — the manufacturer that holds the FCC equipment authorization.

FDA animal and veterinary adverse event reports, newest first.

FDA medical device adverse event reports (MAUDE), newest first by date received.

Adverse drug event reports from FDA's Adverse Event Reporting System (FAERS) — 9M+ records since 1968 covering serious adverse events, hospitalizations, deaths, and disabilities.

FDA food recall enforcement reports, newest first by report date.

FDA drug recall enforcement reports, newest first.

US federal campaign finance from the FEC (openFEC).

Search US federal political candidates via the OpenFEC API.

Search US federal political committees (PACs, super PACs, party committees, candidate principal committees, leadership PACs, etc.) via the OpenFEC API.

Search FEC Schedule A — every itemized contribution to a federal political committee (>264M rows across all cycles).

Search FEC Schedule B — every itemized disbursement (spend, vendor payment, operating expenditure, contribution out, transfer) made by a federal political committee (>157M rows).

Aggregate financial summaries (receipts, disbursements, cash-on-hand, debt, transfers, refunds, contributions by source, etc.) per cycle for federal candidates (scope=candidates) or committees (scope=committees).

Newest Federal Register documents by publication date — chronological feed for compliance change-detection.

Search currently-active FARA (Foreign Agents Registration Act) registrants by name.

FEMA Hazard Mitigation Assistance (HMA) funded projects — the pre- and post-disaster mitigation grants FEMA has actually obligated (HMGP, BRIC/PDM, FMA).

US House of Representatives roll-call votes, newest first by action date.

HUD Income Limits (IL) for a US county or state — the program-eligibility thresholds for HUD assistance, derived from Area Median Family Income: extremely-low (30% AMI), very-low (50% AMI), and low (80% AMI) income limits for household sizes 1–8, plus the area median income.

Search the Federal Bureau of Prisons inmate locator — federal inmates from 1982 to present, both currently incarcerated and released.

Search US federal lobbying disclosures (Senate LDA filings) — who lobbies for whom, on what issues, for how much.

Search MSHA mine safety accident records via US Department of Labor Open Data Portal (~738k accidents at US mines).

FEMA National Flood Insurance Program (NFIP) claims history for a US location — the flood losses actually paid out in an area.

Search OSHA-investigated workplace accident reports via US Department of Labor Open Data Portal (~165k accidents).

Search OSHA inspection records via the US Department of Labor Open Data Portal (~5M historical inspections).

Search OSHA citation / violation records via US Department of Labor Open Data Portal (~13.2M citations).

CPSC consumer-product recalls from SaferProducts.gov, newest first.

FEMA Public Assistance (PA) funded project details — the post-disaster grants FEMA obligates to state/local/tribal governments and eligible nonprofits to repair public infrastructure and cover emergency response (debris removal, emergency protective measures, roads, buildings, utilities, parks).

Your sitting members of the US Congress for a location.

FEMA National Risk Index for a US county — the authoritative natural-hazard risk profile.

US Senate roll-call votes, newest first by vote date.

UK street-level crime around a location from the Home Office data.police.uk service.

Search open US federal government job postings from the official USAJOBS API.

Search federal awards (contracts, grants, loans, direct payments) from USAspending.gov.

Real-time water data from USGS NWIS stream / river / groundwater gauges within a bounding box around lat/lon.

Compute one or more cryptographic digests (MD5, SHA-1, SHA-2 family, SHA-3 family, BLAKE2) of a string or hex/base64-encoded byte buffer.

Current US notifiable-disease surveillance from the CDC NNDSS (National Notifiable Diseases Surveillance System) weekly tables.

CMS Care Compare lookup for every CMS-certified US hospital (~5k).

CMS Care Compare hospital quality ratings — the data behind medicare.gov hospital ratings, for all ~5,300 Medicare-certified US hospitals.

Medicare utilization + payments by provider (CMS 'Physician & Other Practitioners - by Provider' annual dataset).

US mortality statistics from CDC NCHS.

Search CMS Open Payments — every payment from a drug/device manufacturer or GPO to a US physician or teaching hospital under the Sunshine Act (~10M records per year).

Provider 360 — everything we know about a US healthcare provider, merged on their 10-digit NPI in one call.

Convert raw HTML you already have into clean reading markdown — no URL fetch.

Compress an image.

Adjust a US dollar amount for inflation between two dates ('what is $100 in 1990 worth today?').

Current US inflation expectations — what markets and consumers expect future inflation to be.

EU harmonized inflation — the latest HICP annual rate of change (the official, cross-country-comparable inflation rate) for the EU, euro area, and each member state.

Current US inflation rates by measure, with the index level plus computed year-over-year and month-over-month % change.

Geolocate up to 100 IPv4 or IPv6 addresses in a single call.

Look up an ISO 4217 currency.

Look up an ISO 639 language.

Look up ISO 3166-2 subdivisions (states, provinces, regions).

Fetch a USAJobs reference codelist (lookup tables behind every federal job posting).

Search current US federal job postings via the USAJobs API.

US labor-market turnover from the BLS JOLTS survey (total nonfarm, national), monthly, newest first.

US unemployment from BLS, monthly, newest first — national (CPS, "US") or by US state (LAUS).

Occupational employment and wages from the BLS OEWS survey, by SOC occupation code, nationally or for a US state.

Find US attorneys by name in CourtListener's RECAP corpus (PACER-derived attorney directory).

Search US court opinions (SCOTUS, federal circuits, state appellate/supreme — ~9M opinions).

Verify US legal case citations in a passage of text.

Fetch the authoritative text of any section of the US Code of Federal Regulations by title and section number — for example title 12, section 1026.43 returns Regulation Z’s ability-to-repay standards.

Anti-hallucination checker for legal references — verify that cited cases, US Code sections, and CFR regulations in a passage actually EXIST, and (deterministically) that an attributed QUOTE actually appears in the cited opinion.

Search US federal court dockets — civil and criminal — from the RECAP/PACER archive.

Search the US Federal Register — proposed rules, final rules, notices, and presidential documents.

Find US federal + state appellate judges by name in CourtListener's People DB.

Fetch the full text of a US court opinion by CourtListener opinion ID OR by citation.

Fuzzy-match a name (person, company, vessel, aircraft) against the US Treasury OFAC Specially Designated Nationals list.

Verify a US trademark by USPTO serial number (8 digits) or registration number.

Fetch the authoritative current text of any United States Code section by title and section number — for example title 17, section 107 returns the fair-use statute.

FINRA BrokerCheck lookup — every US registered broker / investment advisor (~620k current + former).

US healthcare provider lookup (NPPES NPI Registry).

Verify US real-estate licenses (brokers, sales agents, broker companies).

Verify US trade / occupational licenses (electricians, A/C technicians, cosmetologists, tow operators, and other state-regulated trades).

LOCK: acquire a distributed lock/lease, scoped to YOUR wallet.

LOCK: release a lock you hold, scoped to YOUR wallet.

LOCK: extend a lock you hold, scoped to YOUR wallet.

US Coast Guard activity / port-state-control case history for a vessel, by USCG vessel id (from maritime.vessel).

Look up world ports and terminals in the NGA World Port Index (Pub 150, ~2,950 ports) by port name (partial match) and/or country (full country name, e.g.

Look up vessels in the US Coast Guard PSIX registry by name (partial match), call sign, official number, hull number (HIN), flag country, service type, or build year.

Stock-exchange holiday calendar.

Is a stock exchange open right now?

FDA 510(k) premarket clearances — the record of medical devices cleared for US marketing by demonstrating substantial equivalence to a predicate device.

FDA medical device classification — the regulatory class and controls for a device type.

FDA medical-device recalls — the enforcement record of devices removed or corrected in the US market because they could pose a health risk.

FDA GUDID (Global Unique Device Identification Database) lookup — identify a marketed medical device from its UDI or by brand/company.

FDA drug approval history from Drugs@FDA — the official record of FDA-approved drug applications.

Authoritative FDA drug label (Structured Product Labeling).

Look up US drug pricing from CMS NADAC (National Average Drug Acquisition Cost) — the benchmark per-unit acquisition cost CMS surveys from retail pharmacies and publishes weekly.

One-call drug situational awareness.

MedlinePlus Genetics (US National Library of Medicine) reference on a genetic condition or gene.

Verify and search ICD-10-CM diagnosis codes against the official US code set (FY2026, ~98k entries).

Look up US healthcare providers in the CMS NPPES registry — the authoritative directory of National Provider Identifiers (NPIs).

Resolve a 10-digit NPI to the provider identity plus a fully decoded specialty profile in one call: entity type, name/organization, status, the primary specialty (NUCC grouping + classification + display name), and every taxonomy on the record decoded the same way -- with primary flag, practice state, and license.

Normalize and verify drug names against RxNorm, the canonical US drug vocabulary from the NIH.

Resolve a NUCC Health Care Provider Taxonomy code -- the specialty code returned by medical.npi and printed on every NPPES record -- into its human specialty: grouping (top level, e.g.

Resolve a music artist from MusicBrainz (CC0).

Resolve a song/recording from MusicBrainz (the open, CC0 music encyclopedia).

Resolve an album/release from MusicBrainz (CC0).

Look up an Autonomous System (BGP) by AS number.

Resolve a single IPv4/IPv6 address to its full network identity in one call: the Autonomous System number, the authoritative AS holder/operator (RIPEstat), the ISP + organization, whether the AS is currently announced, the RIR/IANA allocation block the AS sits in, and country/region/city + coordinates + timezone.

Resolve a MAC address (or bare OUI prefix) to its IEEE-registered hardware vendor.

RPKI Route Origin Validation for a (BGP origin AS, prefix) pair — answers whether an AS is legitimately authorized to originate a prefix.

Fetch a specific Hacker News item (story, comment, job, poll) by its numeric ID.

Full-text search across all of Hacker News (via the Algolia HN API).

Hacker News feed of items.

Hacker News user profile by username.

Live news search.

Look up US 501(c) nonprofits and screen each result against the OFAC sanctions list in one call.

US 501(c) nonprofit organization search.

USDA FoodData Central nutrition lookup.

Full occupation dossier from O*NET (US DOL) by SOC / O*NET-SOC code (e.g.

Occupations related to a given O*NET occupation (career-adjacent roles), by SOC / O*NET-SOC code.

Find O*NET occupations by keyword (job title, skill, or activity).

Resolve a DOI to authoritative bibliographic metadata via Crossref.

Citation graph for a scholarly work via OpenAlex.

Unified scientific literature search across arXiv (preprints), PubMed (biomedical), and Semantic Scholar (cross-field, with citation counts).

Unified read API over US National Park Service developer.nps.gov.

Full US patent application file-wrapper detail by application number.

List every document in the file wrapper for a US patent application.

Bibliographic record for a patent publication via EPO OPS: invention titles (multiple languages), applicants, inventors, IPC classifications, application number, and the abstract.

INPADOC patent family for a publication via EPO OPS — every worldwide equivalent of the same invention (same priority), each with country, document number, kind code, and combined publication number.

INPADOC legal-status events for a patent publication via EPO OPS: the timeline of procedural events (examination, grant, designations, national-phase entries, lapses, withdrawals) each with an event code, description, and date.

Search worldwide patent publications via the European Patent Office's Open Patent Services (OPS).

Search US patent applications and grants via the USPTO Open Data Portal.

Sweep a person's name across five US public registries in one call: FINRA securities brokers, federal-court attorneys (CourtListener), federal inmates (BOP), Texas trade licenses (TDLR), and Texas real-estate licenses (TREC).

Parse, validate and canonicalize a phone number using Google's libphonenumber metadata.

Find points of interest near a coordinate.

A wallet's Polymarket on-chain activity feed: trades, merges, splits, redeems, conversions and rewards, newest first.

Polymarket crypto up-or-down markets — the recurring 'Will <asset> be up or down by <time>?' series for BTC, ETH, SOL, SPX and more (hourly/daily).

Browse Polymarket events (an event groups related markets — e.g.

Top holders of a Polymarket market, grouped by outcome token (conditionId).

Browse Kalshi events (an event groups related markets, e.g.

A single Kalshi market by ticker.

Browse Kalshi regulated prediction markets.

Order book for a Kalshi market by ticker: resting yes and no bids with price (dollars) and size (contracts).

Recent trades on Kalshi, optionally filtered to one market ticker.

Polymarket smart-wallet leaderboard: top traders ranked by realized volume or profit (P&L).

Active prediction markets on Limitless Exchange (on-chain, Base; keyless).

A single Polymarket market by conditionId, slug, or id.

Browse Polymarket prediction markets.

Cross-venue equivalent-market pairs for arbitrage / relative-value spotting.

Full CLOB order book (bids + asks with price and size) for a Polymarket outcome token.

A wallet's open Polymarket positions.

Live best bid, best ask, and midpoint for a Polymarket outcome token (CLOB token id — get it from predict.markets clobTokenIds).

Time-series price (implied-probability) history for a Polymarket outcome token.

Cross-venue prediction-market keyword search across Polymarket, Kalshi, and Limitless Exchange in one call.

Sports prediction markets across Polymarket and Kalshi in one call — game lines, futures, and props (NFL/NBA/MLB/NHL/soccer/tennis/etc).

Recent Polymarket trades.

A Polymarket trader's portfolio by wallet address: total portfolio USD value plus open positions (market title, outcome, size, average vs current price, current value, and unrealized PnL).

Polymarket whale radar: the largest recent trades by USD notional across all markets, ranked.

Decode and validate a product barcode (GTIN / UPC-A / EAN-13 / EAN-8 / GTIN-14 / ISBN-13 / ISSN).

NYC deed + mortgage history for a tax lot via ACRIS (Automated City Register Information System) legals dataset, keyed by BBL.

NYC tax-lot lookup via PLUTO (Primary Land Use Tax Lot Output) — every tax lot in the city with owner, zoning, lot/building area, year built, classification, lat/lon, community + school + council + police districts.

NYC Department of Buildings permit issuance — every construction, alteration, or demolition permit ever issued.

NYC Housing Preservation & Development (HPD) violations — every notice of violation issued at a multi-family building.

PUBSUB: create a topic you own, scoped to YOUR wallet.

PUBSUB: publish a message to a topic YOU own, fanning out a signed callback to every CONFIRMED subscriber.

PUBSUB: subscribe a callbackUrl to a topic by its topicId (the topic can belong to any wallet — you just need the id).

PUBSUB: remove one of YOUR subscriptions by its subscriptionId — you stop receiving that topic's messages.

Recent earthquakes near a coordinate.

QUEUE: confirm a leased message is processed — deletes it so it isn't redelivered, scoped to YOUR wallet.

QUEUE: append a message to a durable, wallet-scoped queue.

QUEUE: atomically claim up to `count` messages for processing, scoped to YOUR wallet.

QUEUE: depth of a queue, scoped to YOUR wallet — counts of ready (available now), leased (in flight), and dlq (dead-lettered) messages, plus total.

Search the Recreation Information Database (RIDB) — the single source of truth for federal recreation lands and programs across NPS, USFS, BLM, USACE, BOR, FWS, NARA.

Look up an npm package by name (supports scoped packages like @sentry/node).

Look up a Python package on PyPI by name.

Resolve a researcher by ORCID iD.

Search US federal biomedical research grants via NIH RePORTER.

Resolve a research organization via the Research Organization Registry (ROR).

SCHEDULE: stop an active schedule immediately, scoped to YOUR wallet.

SCHEDULE: arm a time-driven callback, scoped to YOUR wallet — the time-based twin of watchers.

SCHEDULE: check a schedule's state, scoped to YOUR wallet — status, next fire time, fires used vs max, expiry, and its recent delivery attempts (including any that failed/retried).

AI web search optimized for agents.

Crawl a site and return clean page content.

Find the right 2s endpoint for a task using natural language.

Extract clean, LLM-ready content from up to 5 URLs in one call.

Live web search.

Authoritative MITRE ATT&CK (Enterprise) technique lookup.

Authoritative MITRE CAPEC (Common Attack Pattern Enumeration) lookup.

Look up a CVE by id (e.g.

CVE change feed — the CVE records MODIFIED within a time window, so an agent can incrementally maintain a vulnerability view instead of re-scanning.

Find vulnerabilities affecting a product by searching the NIST National Vulnerability Database.

Authoritative MITRE CWE (Common Weakness Enumeration) lookup.

Does public exploit code exist for a CVE, and where?

Fetch a URL and grade its HTTP security headers.

CISA Industrial Control Systems (ICS) advisories — vulnerabilities in operational-technology gear (SCADA, PLCs, building automation, energy/manufacturing/transportation systems, and medical devices), from the official CISA advisory RSS feed.

Threat-intelligence reputation for an indicator of compromise (IOC) — pass ioc as an IP, domain, URL, or file hash (md5/sha1/sha256) and the type is auto-detected.

AbuseIPDB abuse report for a single IP — the crowd-sourced abuse-confidence score (0-100) the fail2ban / SSH-scanner / web-attack ecosystem reports into.

AbuseIPDB bulk blacklist — the most-reported abusive IPs above a confidence threshold, the canonical fail2ban / firewall block-feed.

AbuseIPDB subnet (CIDR) check — which IPs inside a network block have been reported for abuse.

Multi-source IP reputation with one combined authority score (0-100).

Security and provenance for an open-source package, composed live from three authoritative sources in one call.

Check whether a password has appeared in known data breaches, using Have I Been Pwned's Pwned Passwords k-anonymity model — only the first 5 characters of the password's SHA-1 hash are ever sent upstream, so the service never sees the password or the full hash.

USDA Plant Hardiness Zone for a US ZIP code — the standard planting zone (e.g.

Ground-truth soil profile for any US latitude/longitude from the USDA-NRCS SSURGO survey (Soil Data Access).

Look up any asteroid or comet in NASA JPL's Small-Body Database by designation, number, or name (e.g.

List near-Earth asteroid/comet close approaches to Earth within a date window and maximum distance, from NASA JPL's Close-Approach Data API.

Search confirmed exoplanets in the NASA Exoplanet Archive (~6,000, updated weekly — past any LLM training cutoff).

Upcoming or recent orbital rocket launches from The Space Devs' Launch Library 2 — the live manifest behind most launch-tracking apps.

Compute where any asteroid or comet is in the sky and whether you can see it.

Compute the current position of any cataloged Earth-orbiting satellite by NORAD catalog number (e.g.

Search the catalog of every cataloged Earth-orbiting object — ~69,000 satellites, rocket bodies, and debris tracked by US Space Force / 18 SDS (via CelesTrak SATCAT).

Observer-local sky almanac for any lat/lon and time (default now).

One call → what's notable in YOUR sky right now, for a lat/lon.

Profile a confirmed exoplanetary system by host-star name (e.g.

Current space weather from NOAA SWPC public feeds.

MLB games for a date (and optionally one team), via the official MLB Stats API (free/keyless).

MLB regular-season standings for a season (official MLB Stats API, free/keyless).

NBA games from balldontlie — schedule and scores in one feed.

NBA players from balldontlie — search by name and page through results.

NBA teams from balldontlie — all 30 franchises with id, full name, abbreviation, conference, division, and city.

NFL games from balldontlie — schedule and scores in one feed.

NFL players from balldontlie — search by name and page through results.

NFL teams from balldontlie — all 32 franchises with id, full name, abbreviation, conference (AFC/NFC), division, and city.

Upcoming NHL game schedule for the week anchored on a date (official NHL api-web, free/keyless).

NHL scores and games for a date (official NHL api-web, free/keyless).

Current NHL standings (official NHL api-web, free/keyless).

Recent news articles about a specific US-listed company.

Historical quarterly earnings surprises for a US-listed company — reported (actual) EPS vs the analyst consensus estimate, the absolute surprise, and the surprise percentage, for the most recent quarters (newest first).

As-reported financial statements for a US-listed company, exactly as filed with the SEC — balance sheet, income statement, and cash-flow statement line items, parsed from each 10-K/10-Q.

US federal government spending awarded to a public company (sourced from USAspending).

US work-visa (H-1B and related) applications filed by a public company, sourced from Department of Labor LCA disclosures.

Aggregated insider sentiment for a US-listed company, by month.

US federal lobbying disclosures for a public company (sourced from US Senate LDA filings).

Key fundamental metrics and 52-week price statistics for a US-listed company.

USPTO patent activity associated with a public company.

Peer companies for a US-listed ticker — other companies in the same sector and sub-industry, useful for comparables, relative valuation, and screening.

Latest daily stock quote for a US-listed ticker.

Analyst recommendation trend for a US-listed company — the number of analysts rating it strong buy, buy, hold, sell, and strong sell, snapshotted per month (newest first).

Fundamental stock screener built on SEC EDGAR XBRL Frames — screen every public filer on a reported financial concept for one period, in a single call.

Search or list the tradable equity symbol universe for an exchange.

STORE: delete a file you uploaded, scoped to YOUR wallet — removes the bytes from storage and the metadata.

STORE: download a file you uploaded with store.blob-put, in a single paid call, scoped to YOUR wallet.

STORE: list the files you've uploaded in a namespace, scoped to YOUR wallet — keys, sizes, content types, expiry (metadata only, not the bytes).

STORE: upload a file (any bytes) in a single paid call, scoped to YOUR wallet.

STORE: delete a stored document by id, scoped to YOUR wallet.

STORE: fetch a stored document by id, scoped to YOUR wallet.

STORE: index a text document for full-text keyword search, scoped to YOUR wallet.

STORE: full-text keyword search over documents you stored in a namespace, scoped to YOUR wallet.

STORE: delete a key/value you stored, scoped to YOUR wallet.

STORE: read back a JSON value you stored with store.kv-put, scoped to YOUR wallet.

STORE: persist a JSON value under a key, scoped to YOUR wallet (the x402 payer).

STORE: list keys in a namespace, scoped to YOUR wallet, optionally filtered by key prefix and paginated with a cursor.

STORE: report how much storage YOUR wallet is using — structured bytes (kv + documents + vectors) and blob bytes.

STORE: delete a vector by id from a namespace, scoped to YOUR wallet.

STORE: nearest-neighbor search over vectors you upserted in a namespace, scoped to YOUR wallet.

STORE: upsert a vector for semantic retrieval, scoped to YOUR wallet.

Compute sunrise, sunset, solar noon, and civil/nautical/astronomical twilight times for a coordinate + date.

Validate a European Union VAT number against the official VIES (VAT Information Exchange System) register in real time.

Current EU VAT rates by member state — standard rate plus reduced/super-reduced/parking/zero rates.

Price a single trading card.

List every trading-card game / category covered by TCGplayer pricing (Magic: The Gathering, Pokemon, Yu-Gi-Oh!, Disney Lorcana, One Piece, and ~85 more).

Price an entire trading-card set in one call.

List the sets (groups) for a trading-card game — e.g.

Search FCC Electronic Comment Filing System (ECFS) filings for a proceeding/docket (e.g.

Map a US latitude/longitude to its FCC spectrum-licensing geographies — Cellular Market Area (CMA), Basic Trading Area (BTA), Major Trading Area (MTA), Partial Economic Area (PEA), and the BEA/EAG/MEA/REAG economic areas — plus the 2020 Census block FIPS, county, and block population.

Redact secrets from arbitrary text.

Next high/low tide predictions near a coordinate.

Parse a timestamp or date string into canonical forms — zero-dependency.

Resolve a coordinate to its IANA timezone and return the current UTC offset, local wall time, DST status, and short abbreviation.

TLD registry intelligence and public-suffix analysis.

Open a live TLS connection to a host and return its certificate.

Cross-walk a traded-good code across HS (6-digit international Harmonized System) <-> HTS (US 10-digit import) <-> Schedule B (US 10-digit export) <-> NAICS industry.

Annual international merchandise-trade flows from UN Comtrade (HS classification).

Look up or search UN/LOCODE — the United Nations Code for Trade and Transport Locations (~116k locations, all countries).

Look up or search the US Harmonized Tariff Schedule (HTS / HS codes).

Transcribe an audio file to text.

Current US State Department travel advisories.

Look up the visa requirement for a traveler with a given passport visiting a destination country.

Daily Treasury Statement (DTS) operating cash balance via US Treasury Fiscal Data.

US National Debt — daily "Debt to the Penny" via US Treasury Fiscal Data.

Official US Treasury exchange rates via US Treasury Fiscal Data.

Monthly Treasury Statement (MTS) — Table 4: receipts by source via US Treasury Fiscal Data.

Fetch any URL and return its article content with the clutter stripped — nav, ads, sidebars, footers, scripts, styles, comments removed via heuristic extraction (<article> / <main> / role=main / densest block).

Discover the URLs a page or sitemap points at in a single fetch.

Render a URL in a real headless browser (JavaScript executed) and return its article content with the clutter stripped — same cleaning + output formats as /api/url/clean, but for client-rendered / SPA pages whose content only appears after JS runs (where a raw HTTP fetch returns an empty shell).

Fetch any URL and extract structured page metadata: title, description, og:image, canonical, favicon, site name, author, published time, language, and the first ~500 chars of body text.

Validate a US bank ABA routing number with the Federal Reserve weighted mod-10 checksum (3-7-1) — not just a 9-digit regex.

Validate up to 100 identifiers of mixed kinds in a single deterministic call.

Validate a SWIFT/BIC code (ISO 9362): 8 or 11 characters = 4-letter institution + 2-letter ISO country + 2-char location + optional 3-char branch, with the country position checked against ISO 3166.

Validate a CUSIP (9-character US/Canada securities identifier) with its mod-10 weighted check digit.

Validate a GS1 GLN (Global Location Number) — 13 digits with the GS1 mod-10 check digit.

Validate a product barcode — GTIN-8/12/13/14, UPC-A, EAN-13, or ISBN-10/13 — with the GS1 mod-10 check digit (ISBN-10 uses mod-11).

Validate an International Bank Account Number (IBAN) with full ISO 13616 checks: country-specific length and the ISO 7064 mod-97 checksum (not just a regex).

Validate an ISIN (International Securities Identification Number, ISO 6166): 2-letter country prefix + 9-char NSIN + Luhn check digit.

Validate a Legal Entity Identifier (LEI, ISO 17442) with the ISO 7064 mod-97-10 check digits — not just a 20-character regex.

Validate a GS1 SSCC (Serial Shipping Container Code) — 18 digits with the GS1 mod-10 check digit.

Canadian-market vehicle dimensions and weights from NHTSA vPIC's Canadian Vehicle Specifications dataset.

NHTSA consumer complaints for a US vehicle by (make, model, modelYear).

Decode a 3-character World Manufacturer Identifier (the first three characters of a VIN) to the assigning manufacturer.

Official US EPA/DOE fuel-economy, fuel-cost, and emissions data for a vehicle by year + make + model.

Chronological feed of NHTSA ODI (Office of Defects Investigation) investigations, newest first.

Paginated list of every motor vehicle manufacturer NHTSA tracks via vPIC.

Enumerate every model a manufacturer sold in a given model year via NHTSA's vPIC taxonomy database.

Vehicle 360 — decode a VIN and get its full safety picture in one call.

NHTSA recall campaigns for a US vehicle by (make, model, modelYear).

NHTSA NCAP 5-Star crash-test ratings for a US vehicle by (make, model, modelYear).

Decode a 17-character VIN to manufacturer-supplied vehicle metadata via NHTSA's vPIC database.

WATCHER: get a signed callback around a US company's earnings.

Cancel an active watcher by watcherId — it stops watching immediately.

WATCHER: get a signed callback when a new news article is published about a US company.

WATCHER: get a signed callback the moment a crypto address transacts.

WATCHER: get a signed callback when a host's DNS records change.

WATCHER: get a signed callback when USGS reports a new earthquake near a location above a magnitude.

WATCHER: get a signed callback when the Crypto Fear & Greed index crosses a level (e.g.

WATCHER: get a signed callback when a new US Federal Register document is published.

WATCHER: get a signed callback when a flight's status changes (e.g.

WATCHER: get a signed callback when a FRED economic series' latest value crosses a level.

WATCHER: get a signed callback when a Hyperliquid perpetual's hourly funding rate crosses a level (e.g.

WATCHER: get a signed callback when an FX pair crosses a rate you set.

WATCHER: get a signed callback when EVM gas crosses a level you set — e.g.

WATCHER: get a signed callback when a website's HTTP security-headers grade changes (e.g.

WATCHER: get a signed callback when an indicator of compromise (IP or domain) changes malicious status across threat feeds.

WATCHER: get a signed callback when a new US IPO appears on the calendar.

WATCHER: get a signed callback when a package publishes a new version — track your dependencies.

WATCHER: get a signed callback when a new academic paper matching your query is published (arXiv / PubMed / Semantic Scholar).

WATCHER: get a signed callback when a new USPTO patent matching your query appears.

WATCHER: get a signed callback when a Polymarket outcome's implied probability crosses a level.

WATCHER: get a signed callback when a new US product recall is published (CPSC).

WATCHER: get a signed callback when a US company files with the SEC (EDGAR).

Status of a watcher by watcherId: state (armed/completed/expired/cancelled), fires used/remaining, expiry, recent deliveries (with HTTP result + attempt count), and any UNDELIVERED events with their full callback bodies — the pull backstop, so a missed push is always recoverable here.

WATCHER: get a signed callback when a US stock crosses a price you set.

WATCHER: get a signed callback when a crypto asset crosses a price you set.

WATCHER: get a signed callback when the US National Weather Service issues a new alert for an area.

WATCHER: get a signed callback when a domain's WHOIS registration changes — registrar, expiry, or status.

Real-time US river/stream conditions from a USGS monitoring site.

Current air quality for any coordinate worldwide.

Live US severe-weather alerts from the National Weather Service.

Current weather conditions for any coordinate worldwide.

Official US weather forecast for a coordinate (US land + territories).

Weather forecast for any coordinate worldwide, up to 16 days out.

Historical daily weather for any coordinate (ERA5 reanalysis, 1940→~5 days ago).

Current marine/sea-state conditions for an ocean or coastal coordinate.

Current weather conditions for a US ZIP code (temperature, wind, humidity, conditions).

Fetch a Wikidata entity (Q42, P31, etc.) — structured knowledge-graph record with labels + descriptions + aliases in selectable languages, claims (property → value statements grouped by property ID), sitelinks (Wikipedia article title per language).

Fetch a Wikipedia article summary in any of 30 supported languages.

English dictionary lookup via dictionaryapi.dev (Wiktionary-sourced).

Related-word lookup via Datamuse.

World Bank Open Data — fetch a time series of a specific indicator for a country (or 'all').