| UC-001 | Polymarket | Predictions / Analytics | Reference | Builder API Keys (x3) | usecases/UC-001-polymarket.md |
| UC-002 | Aviasales / Travelpayouts | Travel / Flights + Hotels | Reference | API Token + Partner Marker | usecases/UC-002-aviasales.md |
| UC-003 | MealMe + DoorDash + Wolt + Yandex Eda | Food Delivery / Groceries | Reference | MealMe API Key + DoorDash JWT + Wolt/YE Affiliate IDs | usecases/UC-003-food-delivery.md |
| UC-004 | CoinGecko | Finance / Crypto Market Data | Reference | CoinGecko Pro API Key + x402 USDC Wallet | usecases/UC-004-coingecko.md |
| UC-005 | OpenWeatherMap | Weather / Environment | Reference | OWM API Key + One Call 3.0 Key | usecases/UC-005-openweathermap.md |
| UC-006 | NewsAPI.org | News / Current Events | Reference | NewsAPI.org Business Key ($449/mo) | usecases/UC-006-newsapi.md |
| UC-007 | DeepL | Translation / Content Transformation | Reference | DeepL API Pro Key ($5.49/mo + $25/M chars) | usecases/UC-007-deepl.md |
| UC-008 | Ticketmaster | Events / Live Entertainment | Reference | TM Discovery API Key (free) + Impact Affiliate ID | usecases/UC-008-ticketmaster.md |
| UC-009 | Keepa | E-commerce / Price Intelligence | Reference | Keepa API Key (€49/mo subscription) | usecases/UC-009-keepa.md |
| UC-010 | TMDB | Movies & TV / Entertainment Discovery | Reference | TMDB API Key (free) + Commercial Agreement | usecases/UC-010-tmdb.md |
| UC-011 | USDA + OpenFDA | Health & Nutrition / Fitness | Reference | USDA API Key (free) + OpenFDA Key (free) | usecases/UC-011-health-nutrition.md |
| UC-012 | Geoapify + Valhalla | Maps & Navigation / Geolocation | Reference | Geoapify API Key (free) + Valhalla (self-hosted MIT) | usecases/UC-012-maps-geo.md |
| UC-013 | RentCast + US Census | Real Estate / Property Intelligence | Reference | RentCast API Key ($199-449/mo) + Census Key (free) | usecases/UC-013-real-estate.md |
| UC-014 | The Odds API + API-Sports | Sports / Live Scores | Reference | The Odds API Key ($59/mo) + API-Sports Key ($29/mo) | usecases/UC-014-sports.md |
| UC-015 | BLS + O*NET + ESCO + CareerJet | Jobs / Recruiting / Career Intelligence | Reference | BLS Key (free) + O*NET (free) + ESCO (free) + CareerJet Publisher (free) | usecases/UC-015-jobs.md |
| UC-016 | Frankfurter/ECB + FRED + World Bank + US Treasury + fawazahmed0 + OpenIBAN | Payments / Banking / Financial Intelligence | Reference | All free ($0): CC0 + CC-BY 4.0 + US Gov + ECB free reuse | usecases/UC-016-payments-banking.md |
| UC-017 | OpenAlex + College Scorecard + PubMed + arXiv + Coursera | Education / Online Learning / Academic Research | Reference | OpenAlex (CC0) + College Scorecard (US Gov) + PubMed (US Gov) + arXiv (CC0) + Coursera (affiliate, 15-45%) | usecases/UC-017-education.md |
| UC-018 | MusicBrainz + Discogs + ListenBrainz + AcoustID + Wikidata + RadioBrowser | Music / Audio Discovery / Music Intelligence | Reference | MusicBrainz (CC0) + Discogs Dumps (CC0) + ListenBrainz (CC0) + AcoustID (CC-BY-SA, €50/mo) + Wikidata (CC0) + RadioBrowser (PD) | usecases/UC-018-music.md |
| UC-019 | Shippo + Geocodio + USITC HTS + GeoNames + UN Comtrade | Logistics / Shipping / Tracking / Delivery Intelligence | Reference | Shippo (Platform Partner, $0.05/label) + Geocodio (free-$200/mo) + USITC HTS (US Gov, free) + GeoNames (CC-BY 4.0, free) + UN Comtrade (Premium Pro, ~$50/mo) | usecases/UC-019-logistics.md |
| UC-020 | AsterDex (Aster) | DeFi / Decentralized Trading / Perpetual Futures | Reference | Aster Code Builder Program (100 ASTER deposit) + Referral (tlRYkq, 5-10%) + API Key (HMAC SHA256) | usecases/UC-020-asterdex.md |
| UC-021 | Hyperliquid (#1 DEX) | DeFi / Decentralized Trading / Perpetual Futures | Reference | Builder Codes (100 USDC, permissionless) + Referral (CRYPTOREFERENCE, 10%) + API Wallet (0xc98d...eAbB) | usecases/UC-021-hyperliquid.md |
| UC-022 | Amadeus | Travel / Flights / Hotels / Airports | Draft | API Key + Secret (OAuth2, Self-Service) | usecases/UC-022-amadeus.md |
| UC-023 | Sabre GDS | Travel / Flights / Airlines / Destinations | Live | Client ID + Secret (OAuth2 double base64, cert env) | usecases/UC-023-sabre.md |
| UC-024 | TheFork + TableCheck + EatApp | Restaurant Discovery + Reservation | Planning | Provider credentials needed | usecases/UC-024-restaurant-booking.md |
| UC-025 | Zinc API | E-commerce / Product Search | Candidate | $0.01/call wallet | usecases/UC-025-zinc-api.md |
| UC-026 | Diffbot | E-commerce / Product Extraction | Candidate | 10K free/mo | usecases/UC-026-diffbot.md |
| UC-027 | Best Buy | E-commerce / Electronics | Candidate | Fully free | usecases/UC-027-best-buy.md |
| UC-028 | WhoisXML API | Domain / WHOIS Lookup | Candidate | 500/mo free | usecases/UC-028-whoisxml-api.md |
| UC-029 | WhoisFreaks | Domain / WHOIS Lookup | Candidate | 500 credits free | usecases/UC-029-whoisfreaks.md |
| UC-030 | WhoisJSON | Domain / WHOIS Lookup | Candidate | 1K/mo free | usecases/UC-030-whoisjson.md |
| UC-031 | Spoonacular | Recipe / Cooking / Food | Candidate | 150 pts/day free | usecases/UC-031-spoonacular.md |
| UC-032 | Zestful | Recipe / Ingredient Parsing | Candidate | 30/day free | usecases/UC-032-zestful.md |
| UC-033 | Recipe API | Recipe / AI Generation | Candidate | 100/day free | usecases/UC-033-recipe-api.md |
| UC-034 | NASA Open APIs | Space / Astronomy | Candidate | 1K/hr free | usecases/UC-034-nasa-open-apis.md |
| UC-035 | NASA JPL SSD/CNEOS | Space / Asteroid Tracking | Candidate | Fully free | usecases/UC-035-nasa-jpl-ssd-cneos.md |
| UC-036 | AstronomyAPI | Space / Celestial Positions | Candidate | Free tier | usecases/UC-036-astronomyapi.md |
| UC-037 | RAWG | Video Games / Gaming | Candidate | 20K/mo free | usecases/UC-037-rawg.md |
| UC-038 | Steam Web API | Video Games / Steam | Candidate | 100K/day free | usecases/UC-038-steam-web-api.md |
| UC-039 | IGDB | Video Games / Metadata | Candidate | Free via Twitch | usecases/UC-039-igdb.md |
| UC-040 | QRServer | Dev & Infrastructure / QR Codes | Live | Fully free, no auth | usecases/UC-040-qrserver.md |
| UC-041 | UPCitemdb | UPC / Product Lookup | Live | 100/day free, no auth | usecases/UC-041-upcitemdb.md |
| UC-042 | BarcodeAPI | Barcode Generation | Candidate | Fully free | usecases/UC-042-barcodeapi.md |
| UC-043 | Rakuten Web Service | Japan / E-commerce | Candidate | Fully free | usecases/UC-043-rakuten-web-service.md |
| UC-044 | e-Stat Japan | Japan / Government Stats | Candidate | Fully free | usecases/UC-044-e-stat-japan.md |
| UC-192 | disease.sh | Health / Disease Data | LIVE | No auth, MIT, 4 tools | usecases/UC-192-disease-sh.md |
| UC-213 | PubChem | Chemistry / Compound Data | Candidate | Free (US Gov) | usecases/UC-213-pubchem.md |
| UC-214 | Open Charge Map | EV / Charging Stations | Candidate | Free (open data) | usecases/UC-214-openchargemap.md |
| UC-215 | ChEMBL | Drug Bioactivity | Candidate | Free (CC BY-SA) | usecases/UC-215-chembl.md |
| UC-216 | EU Open Data Portal | Gov Data (EU) | Candidate | Free (open data) | usecases/UC-216-eu-opendata.md |
| UC-217 | IPQualityScore | Fraud Detection | Candidate | 1K free/mo | usecases/UC-217-ipqualityscore.md |
| UC-218 | RCSB Protein Data Bank | Structural Biology | Candidate | Free (CC0) | usecases/UC-218-rcsb-pdb.md |
| UC-219 | NHTSA Safety | Vehicle Recalls | Candidate | Free (US Gov) | usecases/UC-219-nhtsa-safety.md |
| UC-220 | NCI Cactus | Chemical ID Resolver | Candidate | Free (US Gov) | usecases/UC-220-nci-cactus.md |
| UC-221 | 17TRACK | Package Tracking | Candidate | 100 free + pay-per-quota | usecases/UC-221-17track.md |
| UC-222 | Materials Project | Materials Science | Candidate | Free (DOE) | usecases/UC-222-materials-project.md |
| UC-223 | ONS UK | Gov Statistics (UK) | Candidate | Free (no auth) | usecases/UC-223-ons-uk.md |
| UC-224 | Statistics Canada | Gov Statistics (CA) | Candidate | Free (no auth) | usecases/UC-224-statcan.md |
| UC-225 | Listen Notes | Podcast Search | Candidate | 300 free/mo | usecases/UC-225-listennotes.md |
| UC-226 | AudD | Audio Recognition | Candidate | 300 free + $5/1K | usecases/UC-226-audd.md |
| UC-227 | Threat Intelligence Platform | Threat Intelligence | Candidate | 100 credits + pay-per-credit | usecases/UC-227-threatintel.md |
| UC-228 | DHL Tracking | Shipping (DHL) | Candidate | 250 free/day | usecases/UC-228-dhl-tracking.md |
| UC-229 | ABS Australia | Gov Statistics (AU) | Candidate | Free (no auth) | usecases/UC-229-abs-australia.md |
| UC-230 | Musixmatch | Lyrics / Music | Candidate | 50 free/day | usecases/UC-230-musixmatch.md |
| UC-231 | MarketCheck | Car Listings / Valuation | Candidate | 500 free/mo | usecases/UC-231-marketcheck.md |
| UC-232 | Vincario | VIN History (Global) | Candidate | 3 free/mo + pay-per-credit | usecases/UC-232-vincario.md |
| UC-393 | Upstash Vector | Vector Database / Embedding | Candidate | 10K ops/day free | usecases/UC-393-upstash-vector.md |
| UC-394 | Plivo | SMS / Voice (CPaaS) | Candidate | $10 trial credit | usecases/UC-394-plivo.md |
| UC-395 | Telnyx | SMS / Voice (CPaaS) | Candidate | $5 trial credit | usecases/UC-395-telnyx.md |
| UC-396 | NOAA SWPC | Space Weather / Geomagnetic | Candidate | Free (US Gov NODD) | usecases/UC-396-noaa-swpc.md |
| UC-397 | AirNow EPA | US Air Quality / AQI | Candidate | 500/hr/endpoint free | usecases/UC-397-airnow.md |
| UC-398 | OpenAQ v3 | Global Air Quality / Sensors | Candidate | 60/min, 2K/hr free | usecases/UC-398-openaq.md |
| UC-399 | Free Use Bible API | Public-Domain Scriptures | Candidate | Unlimited free | usecases/UC-399-bible-api.md |
| UC-400 | Gutendex | Project Gutenberg Books | Candidate | Unlimited free, MIT | usecases/UC-400-gutendex.md |
| UC-401 | LibriVox | Public-Domain Audiobooks | Candidate | Unlimited free | usecases/UC-401-librivox.md |
| UC-402 | Tatoeba | Multilingual Sentences / NLP | Candidate | Unlimited free, CC-BY | usecases/UC-402-tatoeba.md |
| UC-403 | BrasilAPI | Brazil — CNPJ/CEP/Banks/PIX | Candidate | Unlimited free, MIT | usecases/UC-403-brasilapi.md |
| UC-404 | IBGE | Brazil — Census / Geography | Candidate | Unlimited free, CC BY 4.0 | usecases/UC-404-ibge.md |
| UC-405 | BCB SGS | Brazil — Financial Time Series | Candidate | Unlimited free, ODbL | usecases/UC-405-bcb-sgs.md |
| UC-406 | US NPS | US National Parks | Candidate | Free, US Gov | usecases/UC-406-nps.md |
| UC-407 | US EIA | US Energy / Petroleum / Electricity | Candidate | 5K/hr free, US Gov | usecases/UC-407-eia.md |
| UC-408 | US FEC | US Campaign Finance | Candidate | 1K/hr free, US Gov | usecases/UC-408-fec.md |
| UC-409 | US Library of Congress | US Cultural / Historical Archives | Candidate | Unlimited free, public domain | usecases/UC-409-loc.md |
| UC-410 | Eurostat | EU Statistics / Macro | Candidate | Unlimited free, CC BY 4.0 | usecases/UC-410-eurostat.md |
| UC-411 | UK Police | UK Crime Data | Candidate | Unlimited free, OGL v3.0 | usecases/UC-411-uk-police.md |
| UC-412 | Singapore data.gov.sg | SG Real-time Env + Transport | Candidate | Unlimited free | usecases/UC-412-data-gov-sg.md |
| UC-413 | NIST NVD | Security / CVE Database | Candidate | 5/30s anon, 50/30s with key | usecases/UC-413-nist-nvd.md |
| UC-414 | NREL AFDC + PVWatts | Energy / EV / Solar (US Gov) | Candidate | Unlimited free key | usecases/UC-414-nrel-afdc.md |
| UC-415 | USAJOBS | Jobs / US Federal | Candidate | Unlimited free key | usecases/UC-415-usajobs.md |
| UC-416 | Lichess | Chess / Esports | Candidate | Unlimited, no key | usecases/UC-416-lichess.md |
| UC-417 | Chess.com | Chess / Esports | Candidate | Unlimited, no key | usecases/UC-417-chesscom.md |
| UC-418 | OpenDota | Esports / Dota 2 | Candidate | 3K/day anon, 50K/mo with key | usecases/UC-418-opendota.md |
| UC-419 | HuggingFace Inference | NLP / AI Inference | Candidate | $0.10/mo credits | usecases/UC-419-huggingface-inference.md |
| UC-420 | DeepInfra | LLM Serverless Inference | Candidate | CC required | usecases/UC-420-deepinfra.md |
| UC-421 | MyMemory | Translation | Candidate | 50K chars/day with email | usecases/UC-421-mymemory.md |
| UC-422 | NOAA Aviation Weather Center | Aviation / METAR/TAF/SIGMET | Candidate | Unlimited (100/min) | usecases/UC-422-awc.md |
| UC-423 | CheckWX | Aviation / Decoded METAR | Candidate | 3K/day | usecases/UC-423-checkwx.md |
| UC-424 | AVWX | Aviation / Parsed NOTAMs | Candidate | METAR/TAF free, NOTAM paid | usecases/UC-424-avwx.md |
| UC-425 | Razorpay IFSC | India — Banking IFSC | Candidate | Unlimited, no key, MIT | usecases/UC-425-razorpay-ifsc.md |
| UC-426 | IRCTC RapidAPI | India — Railways PNR | Candidate | RapidAPI free tier (existing key) | usecases/UC-426-irctc-rapidapi.md |
| UC-427 | IndianRailAPI | India — Railways (alt) | Candidate | Free tier, maintenance flag | usecases/UC-427-indianrailapi.md |
| UC-428 | Bhashini / ULCA | India — Indic Languages NLP | Candidate | Free (gov registration) | usecases/UC-428-bhashini.md |
| UC-429 | UK FSA Food Hygiene | UK — Food Hygiene Ratings | Candidate | Unlimited, OGL v3.0 | usecases/UC-429-uk-fsa.md |
| UC-430 | UK gov.uk | UK — Gov Content + Search | Candidate | Unlimited, OGL v3.0 | usecases/UC-430-uk-govuk.md |
| UC-431 | SCB Statistics Sweden | EU/SE — National Stats | Candidate | Unlimited (30/min) | usecases/UC-431-scb-sweden.md |
| UC-432 | CBS Netherlands | EU/NL — National Stats | Candidate | Unlimited, CC0 | usecases/UC-432-cbs-netherlands.md |
| UC-433 | OECD Data Explorer SDMX | Economics / Macro | Candidate | Unlimited, no key, CC BY 4.0 | usecases/UC-433-oecd.md |
| UC-434 | IMF DataMapper API | Economics / Finance | Candidate | Unlimited, no key, CC BY 4.0 | usecases/UC-434-imf.md |
| UC-435 | BIS Statistics API | Finance / Central Banking | Candidate | Unlimited, no key, attribution | usecases/UC-435-bis.md |
| UC-436 | ILO ILOSTAT SDMX | Labour Statistics | Candidate | Unlimited, no key, CC BY 4.0 | usecases/UC-436-ilostat.md |
| UC-437 | eCFR US Federal Regulations | Legal / Government | Candidate | Unlimited, no key, public domain | usecases/UC-437-ecfr.md |
| UC-438 | CDC EPH Tracking Network | Health / Environment | Candidate | Unlimited, no key, public domain | usecases/UC-438-ephtracking.md |
| UC-439 | UniProt Protein KB | Bioinformatics | Candidate | Unlimited, no key, CC BY 4.0 | usecases/UC-439-uniprot.md |
| UC-440 | Ensembl Genome REST API | Bioinformatics / Genomics | Candidate | 55K/hr, no key, Apache 2.0 | usecases/UC-440-ensembl.md |
| UC-441 | Open Targets Platform | Drug Discovery | Candidate | Unlimited, no key, CC0 | usecases/UC-441-opentargets.md |
| UC-442 | Cleveland Museum of Art | Cultural Heritage | Candidate | Unlimited, no key, CC0 | usecases/UC-442-clevelandart.md |
| UC-443 | DigitalNZ NZ Heritage | Cultural Heritage | Candidate | 10K/day, no key, metadata OK | usecases/UC-443-digitalnz.md |
| UC-444 | Getty Museum LOD | Cultural Heritage | Candidate | Unlimited, no key, CC0 | usecases/UC-444-getty.md |
| UC-445 | NASA POWER Solar & Met | Earth Science | Candidate | Unlimited, no key, CC0 | usecases/UC-445-nasapower.md |
| UC-446 | USGS Volcano Hazards | Earth Science | Candidate | Unlimited, no key, public domain | usecases/UC-446-usgsvolcano.md |
| UC-447 | USGS Water Quality Portal | Environment / Hydrology | Candidate | Unlimited, no key, public domain | usecases/UC-447-waterqualityportal.md |
| UC-448 | WTO Timeseries API | Trade Statistics | Candidate | Free key (self-serve) | usecases/UC-448-wto.md |
| UC-449 | GovInfo GPO Documents | Government / Legal | Candidate | Free api.data.gov key (likely have it) | usecases/UC-449-govinfo.md |
| UC-450 | DPLA Digital Library | Cultural Heritage | Candidate | Free email key | usecases/UC-450-dpla.md |
| UC-451 | INSEE France Stats | National Statistics | Candidate | Free OAuth2 client creds | usecases/UC-451-insee.md |
| UC-452 | Destatis Germany Stats | National Statistics | Candidate | Free account signup | usecases/UC-452-destatis.md |
| UC-453 | INEGI Mexico Stats | National Statistics | Candidate | Free token (instant) | usecases/UC-453-inegi.md |
| UC-454 | NIH Reporter | Health / Research Grants | LIVE | None (US Gov) | usecases/UC-454-nihreporter.md |
| UC-455 | FCC Open Data | Legal & Regulatory | LIVE | None (api.data.gov shared key) | usecases/UC-455-fcc.md |
| UC-456 | NASA Exoplanet Archive | Space / Astronomy | LIVE | None (Caltech IPAC public) | usecases/UC-456-nasaexoplanet.md |
| UC-457 | UN SDG Statistics | Global Statistics | LIVE | None (UN open data) | usecases/UC-457-unsdg.md |
| UC-458 | DataCite REST API | Research Data / DOI | LIVE | None (open, CC0) | usecases/UC-458-datacite.md |
| UC-459 | Statistics Norway (SSB) PXWeb API | Government Statistics | LIVE | None (NLOD 2.0) | usecases/UC-459-ssbnorway.md |
| UC-460 | Overpass API (OpenStreetMap) | Geospatial / Location | LIVE | None (ODbL) | usecases/UC-460-overpass.md |
| UC-461 | Zenodo (CERN/OpenAIRE) | Education / Research Data | LIVE | None (CC0) | usecases/UC-461-zenodo.md |
| UC-462 | Bright Sky (DWD) | Weather / Germany | Candidate | None (MIT + DWD GeoNutzV) | usecases/UC-462-brightsky.md |
| UC-463 | Statistics Finland | Nordic Statistics | Candidate | None (CC BY 4.0) | usecases/UC-463-stat-finland.md |
| UC-464 | UNICEF SDMX API | Global Health / Child Development | Candidate | None (CC BY 3.0 IGO) | usecases/UC-464-unicef-sdmx.md |
| UC-465 | OFAC SDN Sanctions List | Compliance / Sanctions | Candidate | None (US Gov public domain) | usecases/UC-465-ofac-sdn.md |
| UC-466 | European Parliament Open Data | Civic / Legislative | Candidate | None (EU open data mandate) | usecases/UC-466-europarl.md |
| UC-467 | EU Publications CELLAR | Legal / EU Law | Candidate | None (EU public domain) | usecases/UC-467-eu-cellar.md |
| UC-468 | ECB SDMX API | Finance / Central Bank | Candidate | None (ECB disclosure req.) | usecases/UC-468-ecb-sdmx.md |
| UC-469 | SMHI Open Data | Weather / Nordic | Candidate | None (CC BY 4.0 SE) | usecases/UC-469-smhi.md |
| UC-470 | BTS Transportation Statistics | Transportation / US | Candidate | None (US Gov public domain) | usecases/UC-470-bts.md |
| UC-471 | NSF Award Search | Research Funding / Science | Candidate | None (US Gov public domain) | usecases/UC-471-nsf-awards.md |
| UC-472 | Deutsche Bundesbank SDMX | Finance / Germany | Candidate | None (CC BY 3.0 DE) | usecases/UC-472-bundesbank.md |
| UC-473 | European Environment Agency | Environment / ESG | Candidate | None (CC BY 2.5 DK) | usecases/UC-473-eea.md |
| UC-474 | NASA Technical Reports Server | Space / Aeronautics | LIVE | None (US Gov) | usecases/UC-474-nasantrs.md |
| UC-475 | CERN Open Data | Space / Physics | LIVE | None (CERN open science) | usecases/UC-475-cernopendata.md |
| UC-476 | CelesTrak GP | Space / Satellites | LIVE | None (US Space Force public release) | usecases/UC-476-celestrak.md |
| UC-477 | NASA EONET | World / Disaster Monitoring | LIVE | None (US Gov public domain) | usecases/UC-477-eonet.md |
| UC-478 | RxNorm (NIH NLM) | Health / Drug Nomenclature | LIVE | None (US Gov open data) | usecases/UC-478-rxnorm.md |
| UC-479 | MyGene.info | Health / Gene Annotation | LIVE | None (BioThings CC0 open data) | usecases/UC-479-mygene.md |
| UC-480 | MyVariant.info | Health / Variant Annotation | LIVE | None (BioThings open access, TSRI) | usecases/UC-480-myvariant.md |
| UC-481 | MyChem.info | Health / Chemical Annotation | LIVE | None (BioThings open access, TSRI) | usecases/UC-481-mychem.md |
| UC-482 | US Drought Monitor | Weather / Climate / Agriculture | LIVE | None (US Gov NOAA/USDA/UNL public domain) | usecases/UC-482-us-drought-monitor.md |
| UC-483 | NLM Clinical Tables | Biomedical / Clinical Coding | Candidate | None (US Gov NLM, unlimited) | usecases/UC-483-clinicaltables-nlm.md |
| UC-484 | SIMBAD CDS | Astronomy / Stellar Catalog | Candidate | None (ODbL, unlimited) | usecases/UC-484-simbad-cds.md |
| UC-485 | NASA HEASARC | Astronomy / High-Energy Archive | Candidate | None (US Gov NASA, unlimited) | usecases/UC-485-heasarc-nasa.md |
| UC-486 | MAST STScI | Astronomy / Space Telescope Archive | Candidate | None (NASA-funded, unlimited) | usecases/UC-486-mast-stsci.md |
| UC-487 | Japan NDL Search | Libraries / Japan Bibliography | Candidate | None (Japan Gov, unlimited) | usecases/UC-487-ndl-search.md |
| UC-488 | NOAA ERDDAP | Ocean Science / Environment | Candidate | None (US Gov NOAA, unlimited) | usecases/UC-488-noaa-erddap.md |
| UC-489 | Statistics Iceland | Government Statistics / Nordic | Candidate | None (Iceland Gov, unlimited) | usecases/UC-489-stats-iceland.md |
| UC-490 | Europe PMC | Biomedical Literature / Health | LIVE | None (EBI/EMBL, CC BY 4.0, unlimited) | usecases/UC-490-europe-pmc.md |
| UC-491 | ROR (Research Organization Registry) | Research Organizations / Education | LIVE | None (DataCite/CrossRef/CDL, CC0, unlimited) | usecases/UC-491-ror.md |
| UC-492 | Catalogue of Life | Biodiversity / Science | LIVE | None (COL/GBIF, CC BY 4.0, unlimited) | usecases/UC-492-catalogue-of-life.md |
| UC-493 | Open Context | Archaeology / Education | LIVE | None (Alexandria Archive Institute, CC BY 4.0, unlimited) | usecases/UC-493-opencontext.md |
| UC-493-A | PharmGKB | Pharmacogenomics | Candidate (ToS verify) | None (Stanford/NIH, open access) | usecases/UC-492-pending.md |
| UC-494 | WTO Timeseries API | Finance / Trade Statistics | LIVE | Azure APIM key (apiportal.wto.org, free developer tier, 10K req/h) | usecases/UC-494-wto.md |
| UC-495 | INSEE Sirene API | Business / French Company Registry | LIVE | INSEE portail key (portail-api.insee.fr, free, 500K/month) | usecases/UC-495-insee.md |
| UC-496 | Biodiversity Heritage Library | Education / Natural History Literature | LIVE | apikey query param (biodiversitylibrary.org, free) | usecases/UC-496-bhl.md |
| UC-497 | Global Fishing Watch | World / Ocean Monitoring | LIVE | Bearer JWT (globalfishingwatch.org, 50K req/day free) | usecases/UC-497-gfw.md |
| UC-498 | OpenStates | Legal / Legislative | LIVE | X-API-Key header (openstates.org, 500 req/day free) | usecases/UC-498-openstates.md |
| UC-499 | Victoria and Albert Museum | Media / Art & Culture | LIVE | No auth (public API, unlimited) | usecases/UC-499-vam.md |
| UC-500 | PharmGKB | Health / Pharmacogenomics | LIVE | No auth (CC BY-SA 4.0, unlimited) | usecases/UC-500-pharmgkb.md |
| UC-501 | Brreg | Business / Company Registry | LIVE | No auth (NLOD 2.0, unlimited) | usecases/UC-501-brreg.md |
| UC-502 | WoRMS | Marine Biology / Biodiversity | LIVE | No auth (CC BY 4.0, unlimited) | usecases/UC-502-worms.md |
| UC-503 | Bank of Canada | Finance | LIVE | No auth (open data, attribution required) | usecases/UC-503-bankofcanada.md |
| UC-504 | OpenSenseMap | Weather / IoT Sensors | LIVE | No auth (PDDL 1.0, unlimited) | usecases/UC-504-opensensemap.md |
| UC-505 | OpenFDA Medical Devices | Health / Safety | LIVE | Free API key (PROVIDER_KEY_OPENFDA shared w/ UC-011) | usecases/UC-505-openfda-devices.md |
| UC-506 | Open-Meteo Marine | Weather / Marine | LIVE | No auth (CC BY 4.0, unlimited) | usecases/UC-506-open-meteo-marine.md |
| UC-507 | MFAPI India Mutual Funds | Finance / India | LIVE | No auth (MIT, unlimited) | usecases/UC-507-mfapi.md |
| UC-508 | EPA Safe Drinking Water (SDWIS) | Health / Safety | LIVE | No auth (US Gov public domain) | usecases/UC-508-sdwis.md |
| UC-509 | BLS Macro (Bureau of Labor Statistics) | Finance / Economics | LIVE | Registered key (500 req/day, free) | usecases/UC-509-bls-macro.md |
| UC-510 | MBTA Transit (Boston Public Transit) | Transport | LIVE | No auth (20 req/min, 500 req/day) | usecases/UC-510-mbta-transit.md |
| UC-511 | UNHCR Population Data | Humanitarian / World | LIVE | No auth, no rate limits | usecases/UC-511-unhcr-population.md |
| UC-512 | GeoNames Geographical Database | Location / Geography | LIVE | Free username, 20K credits/hour | usecases/UC-512-geonames.md |
| UC-513 | UK National Grid Carbon Intensity | Environment / Energy | LIVE | CC BY 4.0, no auth, no rate limits | usecases/UC-513-carbon-intensity-uk.md |
| UC-514 | Open Topo Data | Location / Elevation | LIVE | MIT, no auth, 1 req/s | usecases/UC-514-opentopodata.md |
| UC-515 | MET Norway | Weather / Astronomy | LIVE | CC BY 4.0, no auth, no rate limits | usecases/UC-515-met-norway.md |
| UC-516 | Frankfurter.dev | Finance / Currency | LIVE | MIT, no auth, no rate limits | usecases/UC-516-frankfurter-dev.md |
| UC-517 | SunriseSunset.io | Space / Astronomy | LIVE | Free commercial use, no auth, no rate limits | usecases/UC-517-sunrisesunset.md |
| UC-518 | PokéAPI | Entertainment / Gaming | LIVE | MIT+CC-BY-SA, no auth, fair-use | usecases/UC-518-pokeapi.md |
| UC-519 | SA National Treasury Municipal Finance | World / Government Finance | LIVE | Open data, no auth, free commercial use | usecases/UC-519-south-africa-municipal.md |
| UC-520 | TVMaze | Entertainment / TV Shows | LIVE | CC BY-SA, no auth, 20 req/10s | usecases/UC-520-tvmaze.md |
| UC-521 | HackerNews Firebase | Tech News | LIVE | CC BY 3.0, no auth, no rate limits | usecases/UC-521-hackernews-firebase.md |
| UC-522 | HackerNews Algolia | Tech News Search | LIVE | CC BY 3.0, no auth, no rate limits | usecases/UC-522-hackernews-algolia.md |
| UC-523 | Wikipedia REST API | Reference / Education | LIVE | CC BY-SA 4.0, no auth, unlimited | usecases/UC-523-wikipedia-rest.md |
| UC-524 | iRail Belgium Rail | Travel | LIVE | Open data, no auth, commercial use OK | usecases/UC-524-irail.md |
| UC-525 | Norges Bank | Finance / Central Bank | LIVE | NLOD open government data, no auth, unlimited | usecases/UC-525-norgesbank.md |
| UC-526 | Swiss Federal Statistics Office (FSO/BFS) | Government / Statistics | LIVE | Swiss OGD CCZero, no auth, unlimited | usecases/UC-526-swiss-fso.md |
| UC-527 | US Treasury Fiscal Data | Government / Finance | LIVE | US Gov public domain, no auth, unlimited | usecases/UC-527-treasury-fiscal.md |
| UC-528 | USDA AMS MARS MyMarketNews | Agriculture / World | LIVE | US Gov public domain, no auth, unlimited | usecases/UC-528-usdamars.md |
| UC-529 | ADS-B DB | Aviation / Travel | LIVE | MIT license, no auth, unlimited | usecases/UC-529-adsbdb.md |
| UC-530 | FAO FAOSTAT SDG API | Agriculture / World | LIVE | UN/FAO public open data, no auth, unlimited | usecases/UC-530-fao-faostat.md |
| UC-531 | ClinicalTrials.gov v2 | Health / Clinical Research | LIVE | NIH US Gov public domain, no auth, unlimited | usecases/UC-531-clinicaltrials-v2.md |
| UC-532 | Australian Bureau of Statistics | Government Statistics | LIVE | CC BY 4.0, no auth, unlimited | usecases/UC-532-abs-australia.md |
| UC-533 | ONS UK Statistics | Government Statistics / Finance | LIVE | OGL v3.0, no auth, unlimited | usecases/UC-533-ons-uk-stats.md |
| UC-534 | UN Comtrade | Trade Statistics / World | LIVE | UN public domain, no auth, 500 calls/day | usecases/UC-534-un-comtrade.md |
| UC-535 | USDA LMPR Datamart | Agriculture / Livestock Prices | LIVE | US Gov public domain, no auth, unlimited | usecases/UC-535-usda-lmpr.md |
| UC-536 | TreasuryDirect TA_WS | Finance / Treasury Securities | LIVE | US Gov open data, no auth, unlimited | usecases/UC-536-treasury-direct.md |
| UC-537 | OpenTopography | Science / Terrain / Elevation | LIVE | Free registration, 5K req/day, CC BY 4.0 | usecases/UC-537-opentopography.md |
| UC-538 | OECD Statistics | Economics / Finance / Environment | LIVE | CC BY 4.0, no auth, unlimited | usecases/UC-538-oecd-stats.md |
| UC-539 | Statistics Canada WDS | Government Statistics / Macroeconomics | LIVE | Canada Open Licence, no auth, unlimited | usecases/UC-539-statcan-wds.md |
| UC-540 | FBI Crime Data Explorer (UCR) | Legal / Government Statistics | LIVE | US Gov public domain, api.data.gov shared key | usecases/UC-540-fbi-crime.md |
| UC-541 | Swiss National Bank (SNB) | Finance / Central Bank Data | LIVE | Swiss OGD open license, no auth, unlimited | usecases/UC-541-swissnbm.md |
| UC-542 | Eurostat SDMX 2.1 | Economics / EU Statistics | LIVE | CC BY 4.0, no auth, unlimited, 5 tools | usecases/UC-542-eurostat2.md |
| UC-543 | Australian Business Register (ABR) | Business / Company Data | LIVE | Free GUID, no auth, 3 tools | usecases/UC-543-abr.md |
| UC-544 | Banco de México SIE | Finance / Mexico Economics | LIVE | Token auth, free, 5 tools | usecases/UC-544-banxico.md |
| UC-545 | Bureau of Economic Analysis (BEA) | Finance / US Economics | LIVE | API key, free US Gov, 5 tools | usecases/UC-545-bea.md |
| UC-546 | Africa API | Country Data / Finance | LIVE | Bearer token, 1K/mo free, 5 tools | usecases/UC-546-africaapi.md |
| UC-547 | HuggingFace Inference NLP | Developer | LIVE | Bearer token, ~30K/mo free, 5 tools | usecases/UC-547-hf_inference.md |
| UC-548 | UN-Habitat Urban Data | World / Science | LIVE | No auth, ArcGIS public, 4 tools | usecases/UC-548-unhabitat.md |
| UC-549 | CORDIS EU Research | Education / Science | LIVE | No auth, SPARQL public, 4 tools | usecases/UC-549-cordis.md |
| UC-550 | IRENA IRENASTAT | World / Energy / Climate | LIVE | No auth, PX-Web public, 4 tools | usecases/UC-550-irena.md |
| UC-551 | DOAJ Open Access Journals | Education / Academic Research | LIVE | No auth, CC0 metadata, 4 tools | usecases/UC-551-doaj.md |
| UC-552 | Cleveland Museum of Art Open Access | Media / Art & Culture | LIVE | No auth, CC0/CC BY, 4 tools | usecases/UC-552-cleveland-art.md |
| UC-553 | UniProt Protein Database | Science / Health / Bioinformatics | LIVE | No auth, CC BY 4.0, 4 tools | usecases/UC-553-uniprot.md |
| UC-554 | BioModels EMBL-EBI | Science / Systems Biology | LIVE | No auth, CC0, 4 tools | usecases/UC-554-biomodels.md |
| UC-555 | Open-Meteo Air Quality | Weather / Air Quality | LIVE | No auth, CC BY 4.0, 4 tools | usecases/UC-555-openmeteoaq.md |
| UC-556 | USGS HANS Volcano | World / Natural Hazards | LIVE | No auth, US Gov public domain, 6 tools | usecases/UC-556-usgs-hans-volcano.md |
| UC-557 | USGS NWIS Streamflow | World / Hydrology | LIVE | No auth, US Gov public domain, 4 tools | usecases/UC-557-usgs-nwis-streamflow.md |
| UC-558 | WHO Global Health Observatory OData | Health / Disease Surveillance | LIVE | No auth, CC BY-NC-SA 3.0 IGO, 4 tools | usecases/UC-558-who-gho-odata.md |
| UC-559 | CMU Delphi Epidata | Health / Epidemiological Surveillance | LIVE | No auth, open access, 4 tools | usecases/UC-559-cmu-delphi-epidata.md |
| UC-560 | NLM ICD-11 Clinical Tables | Health / Disease Classification & Coding | LIVE | No auth, US NLM public domain, 4 tools | usecases/UC-560-nlm-icd11.md |
| UC-561 | CMS Provider Data | Health / Healthcare Provider Quality | LIVE | No auth, US Gov public domain, 4 tools | usecases/UC-561-cms-provider-data.md |
| UC-562 | CPSC SaferProducts.gov | World / Consumer Safety | LIVE | No auth, US Gov public domain, 4 tools | usecases/UC-562-cpsc-recalls.md |
| UC-563 | NRC Power Reactor Status | World / Nuclear Energy Grid Monitoring | LIVE | No auth, US Gov public domain, 4 tools | usecases/UC-563-nrc-reactor-status.md |
| UC-564 | BTS Transportation Statistics | World / US Transportation Data | LIVE | No auth, US Gov Socrata API, 4 tools | usecases/UC-564-bts-transport.md |
| UC-565 | CDC Chronic Disease Indicators | Health / US Chronic Disease Data | LIVE | No auth, US Gov Socrata API, 4 tools | usecases/UC-565-cdc-chronic-disease.md |
| UC-566 | OpenSky Network ADS-B | Travel / Aviation — Live Aircraft Tracking | LIVE | No auth, open community ADS-B network, 4 tools | usecases/UC-566-opensky-network.md |
| UC-567 | NOAA CO-OPS Tides & Currents | Weather / Maritime — Tide predictions, water levels, conditions | LIVE | No auth, US Gov NODD public domain, 4 tools | usecases/UC-567-noaa-coops-tides.md |
| UC-568 | Transport for London (TfL) | Travel / Multi-modal transit — London line status, arrivals, journey planner, bike points | LIVE | No auth, TfL Open Data CC-BY, 4 tools | usecases/UC-568-tfl-london.md |
| UC-569 | National Bridge Inventory (NBI) | Infrastructure — US highway bridge search, detail, nearby, condition stats | LIVE | No auth, USDOT/FHWA public domain, 4 tools | usecases/UC-569-nbi-bridges.md |
| UC-570 | Bright Sky (DWD) | Weather — Germany current conditions, hourly observations/forecast, DWD alerts, nearby stations | LIVE | No auth, DWD open data MIT licence, 4 tools | usecases/UC-570-brightsky-dwd.md |
| UC-571 | Statistics Finland (StatFin) | Finance/World — Finland CPI, population, unemployment, statistical table discovery | LIVE | No auth, CC BY 4.0, 4 tools | usecases/UC-571-stat-finland.md |
| UC-572 | DBnomics | Finance — 93+ agencies: IMF, World Bank, OECD, Eurostat; providers, datasets, series browse, time-series fetch | LIVE | No auth, CC-BY 4.0, 4 tools | usecases/UC-572-dbnomics.md |
| UC-573 | SMHI Open Data | Weather — Sweden/Europe: 82-step hourly forecast, 7-day fire risk, active warnings, 1000+ station observations | LIVE | No auth, CC BY 4.0, 4 tools | usecases/UC-573-smhi-sweden.md |
| UC-574 | Digital Public Library of America | Media/Archives — 50M+ digitized US library/museum items: search, detail, browse by subject, facets | LIVE | Free API key, no rate limit, 4 tools | usecases/UC-574-dpla.md |
| UC-575 | NOAA Aviation Weather Center | Weather — METAR observations, TAF forecasts, pilot reports (PIREPs), station lookup; global ICAO coverage | LIVE | No auth, US Gov public domain, 4 tools | usecases/UC-575-noaa-aviationweather.md |
| UC-576 | OBIS Marine Biodiversity | 100M+ marine species occurrence records, WoRMS taxonomy lookup, species checklists, dataset search; no auth; CC BY 4.0 | LIVE | No auth, unlimited free, 4 tools | usecases/UC-576-obis.md |
| UC-577 | EPA ECHO | Enforcement and Compliance History Online — facility search, detail, air program, violations; US Gov public domain, 300 req/hr limit | LIVE | No auth, 4 tools | usecases/UC-577-epa-echo.md |
| UC-578 | NASA CMR | Common Metadata Repository — satellite dataset search, collection detail, granule search, providers; US Gov public domain, no auth, no rate limits | LIVE | No auth, 4 tools | usecases/UC-578-nasa-cmr.md |
| UC-579 | ChEMBL | Drug discovery database — 2.9M molecules, 18K targets, 20M bioactivity measurements; EMBL-EBI; CC BY-SA 3.0, no auth, no rate limits | LIVE | No auth, 4 tools | usecases/UC-579-chembl.md |
| UC-580 | MedlinePlus Connect | NLM clinical code → patient health info; ICD-10-CM, ICD-9-CM, SNOMED CT, RxNorm; US Gov public domain, no auth, unlimited free | LIVE | No auth, 4 tools | usecases/UC-580-medlineplus-connect.md |
| UC-581 | Orphadata (Orphanet) | Rare disease lookup, epidemiology, HPO phenotypes, natural history; 4,245+ diseases; CC BY 4.0, no auth, unlimited free | LIVE | No auth, 4 tools | usecases/UC-581-orphadata.md |
| UC-582 | CBS Netherlands (Statistics NL) | Statistics Netherlands OData API; 5900+ statistical datasets (population, economy, labor, health); no auth, CC BY 4.0 | LIVE | No auth, 4 tools | usecases/UC-582-cbs-netherlands.md |
| UC-583 | ADB Key Indicators Database | ADB macroeconomic database; 700+ indicators; 50 Asia-Pacific economies; 62 dataflows; SDMX v3.0; no auth, 20 req/min | LIVE | No auth, 4 tools | usecases/UC-583-adbkidb.md |
| UC-584 | Open Trivia Database | User-contributed trivia questions; 5000+ verified; 24 categories; no auth, CC BY-SA 4.0, unlimited free | LIVE | No auth, 4 tools | usecases/UC-584-opentdb.md |
| UC-585 | Jolpica F1 | Formula 1 race calendar, results, driver/constructor standings; Ergast-compatible; no auth, unlimited free | LIVE | No auth, 4 tools | usecases/UC-585-jolpica-f1.md |
| UC-586 | TheSportsDB | Multi-sport team/player search, league match schedules (soccer, NFL, NBA, MLB, etc.); no auth, free public API | LIVE | No auth, 4 tools | usecases/UC-586-thesportsdb.md |
| UC-587 | EUR-Lex Cellar | EU legislation search/browse/detail via SPARQL (AI Act, GDPR, directives, regulations, decisions); no auth, EU open data, CC BY 4.0 | LIVE | No auth, 4 tools | usecases/UC-587-eurlex-cellar.md |
| UC-588 | European Parliament Open Data | MEP profiles + memberships, adopted legislative texts, legislative procedures; CC BY 4.0; no auth; 500 req/5min | LIVE | No auth, 4 tools | usecases/UC-588-eu-parliament.md |
| UC-589 | UK Legislation (legislation.gov.uk) | UK statute book: search Acts/SIs/Scottish/Welsh/NI legislation, get details/TOC/sections, recent legislation; OGL v3, no auth | LIVE | No auth, 4 tools | usecases/UC-589-uk-legislation.md |
| UC-590 | OFAC Sanctions List (US Treasury) | SDN list search, entity aliases, sanctions programs, publication info; public domain, no auth; AML/KYC compliance | LIVE | No auth, 4 tools | usecases/UC-590-ofac-list.md |
| UC-591 | Japan Postal Codes (postcode.teraren.com) | Postcode lookup, text search, prefecture list; 124K+ Japan Post codes; kanji/kana/romaji + GPS; MIT, no auth | LIVE | No auth, 3 tools | usecases/UC-591-postcode-japan.md |
| UC-592 | P2PQuake Japan Seismic (api.p2pquake.net) | JMA earthquake reports (Shindo scale), tsunami warnings, historical search; community relay, open data, MIT, no auth | LIVE | No auth, 3 tools | usecases/UC-592-p2pquake.md |
| UC-593 | JMA Bosai (www.jma.go.jp/bosai) | Japan Meteorological Agency official weather forecast, warnings/advisories, earthquake list, area reference; Japanese Government open data, no auth | LIVE | No auth, 5 tools | usecases/UC-593-jma-bosai.md |
