Data sources

Where SectorAPI's data comes from, and under what license. Sources are tagged by industry (vertical) and by cross-industry data type (horizontal). A source may only power a live endpoint once its terms are approved.

75 sources

Aviation Weather Center Data API

NOAA / NWS
live
AviationWeather & ClimateGeo & Places
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
1–5 min
Coverage
Global (METAR/TAF), US (SIGMET)
Pass-through
Yes
Rate limit
100 req/min per client

“Data: NOAA Aviation Weather Center”

ICAO codes only. Returns 204 when nothing matches.

Documentation ↗

FAA NAS Airport Status

US Federal Aviation Administration
live
Aviation
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
~1 min
Coverage
US airports
Pass-through
Yes

“Data: FAA Air Traffic Control System Command Center”

XML only. Lists only airports with an active delay, ground stop or closure.

Documentation ↗

adsb.lol API

adsb.lol community
live
AviationGeo & Places
License
ODbL-1.0
Commercial use
verify
Access
rest · none
Freshness
Real-time (seconds)
Coverage
Global, where volunteer receivers exist
Pass-through
Yes

“Aircraft data © adsb.lol contributors, ODbL 1.0”

ODbL is share-alike for derived databases. Confirm commercial terms before launch. Route lookup was unreliable in testing.

Documentation ↗

OurAirports

OurAirports
live
AviationTravel & HospitalityGeo & Places
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Daily
Coverage
Global (~85k airports)
Pass-through
No (bulk only)

“Airport data: OurAirports (public domain)”

CSV files (~16 MB). Downloaded on first use and held in memory for 24 h, never written to disk.

Documentation ↗

OpenFlights airline database

OpenFlights.org
live
AviationStandards & Codes
License
ODbL-1.0
Commercial use
yes
Access
bulk-file · none
Freshness
Irregular (community-maintained)
Coverage
Global (~6k airlines)
Pass-through
No (bulk only)

“Airline data © OpenFlights.org, ODbL 1.0”

Held in memory for 24 h. Some entries are outdated, so prefer `active: true` results.

Documentation ↗

FAA Releasable Aircraft Database

US Federal Aviation Administration
candidate
AviationOrganizations & IDs
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Daily
Coverage
US-registered aircraft
Pass-through
No (bulk only)
Documentation ↗

BTS Airline On-Time Performance

US Bureau of Transportation Statistics
candidate
AviationEconomic Statistics
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Monthly (~2 month lag)
Coverage
US domestic carriers
Pass-through
No (bulk only)
Documentation ↗

FAA NOTAM API

US Federal Aviation Administration
candidate
Aviation
License
public-domain
Commercial use
verify
Access
rest · registration
Freshness
Minutes
Coverage
US + international NOTAMs
Pass-through
Yes
Documentation ↗

OpenSky Network

OpenSky Network
rejected
Aviation
License
non-commercial
Commercial use
with-license
Access
rest · oauth
Freshness
Real-time
Coverage
Global
Pass-through
Yes

Commercial use requires a separate agreement.

Documentation ↗

SEC EDGAR

US Securities and Exchange Commission
live
Finance & MarketsOrganizations & IDs
License
public-domain
Commercial use
yes
Access
rest, rss, bulk-file · none
Freshness
Real-time filings
Coverage
US public companies
Pass-through
Yes
Rate limit
10 req/s, declared User-Agent required
Documentation ↗

Treasury Fiscal Data API

US Department of the Treasury
live
Finance & MarketsEconomic Statistics
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Daily
Coverage
US
Pass-through
Yes
Documentation ↗

FRED

Federal Reserve Bank of St. Louis
evaluating
Finance & MarketsEconomic Statistics
License
varies
Commercial use
verify
Access
rest · api-key
Freshness
Per series
Coverage
US + international
Pass-through
Yes

Some series are copyrighted by third parties. Check each series.

Documentation ↗

Licensed equity quotes vendor (TBD)

TBD
candidate
Finance & Markets
License
commercial-license
Commercial use
with-license
Access
rest, websocket · api-key
Freshness
Real-time
Coverage
US equities
Pass-through
Yes

Real-time exchange data needs redistribution licensing. Do not scrape.

Coinbase Exchange market data

Coinbase
live
Crypto
License
unknown
Commercial use
verify
Access
rest, websocket · none
Freshness
Real-time
Coverage
Coinbase-listed pairs
Pass-through
Yes
Documentation ↗

Kraken public market data

Kraken
live
Crypto
License
unknown
Commercial use
verify
Access
rest, websocket · none
Freshness
Real-time
Coverage
Kraken-listed pairs
Pass-through
Yes
Documentation ↗

openFDA

US Food and Drug Administration
live
Healthcare & Pharma
License
CC0-1.0
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Weekly
Coverage
US
Pass-through
Yes
Rate limit
240 req/min (higher with free key)
Documentation ↗

ClinicalTrials.gov API v2

US National Library of Medicine
live
Healthcare & Pharma
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Daily
Coverage
Global registry
Pass-through
Yes
Documentation ↗

NPPES NPI Registry

US CMS
live
Healthcare & PharmaOrganizations & IDs
License
public-domain
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Weekly
Coverage
US providers
Pass-through
Yes
Documentation ↗

RxNorm / RxNav

US National Library of Medicine
live
Healthcare & PharmaStandards & Codes
License
varies
Commercial use
verify
Access
rest · none
Freshness
Monthly
Coverage
US drugs
Pass-through
Yes

The full RxNorm set needs a UMLS license.

Documentation ↗

NHTSA vPIC (VIN decoder)

US National Highway Traffic Safety Administration
live
AutomotiveStandards & Codes
License
public-domain
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Monthly
Coverage
Vehicles sold in the US
Pass-through
Yes
Documentation ↗

NHTSA Recalls & Complaints API

US National Highway Traffic Safety Administration
live
Automotive
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Daily
Coverage
US vehicles, tires, car seats
Pass-through
Yes
Documentation ↗

US Census Bureau Data API

US Census Bureau
approved
Real EstateEconomic StatisticsGeo & Places
License
public-domain
Commercial use
yes
Access
rest · api-key
Freshness
Yearly (ACS)
Coverage
US down to census tract
Pass-through
Yes
Rate limit
500 req/day without key
Documentation ↗

MarineCadastre AIS

NOAA / BOEM
candidate
MaritimeGeo & Places
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Historical (yearly)
Coverage
US waters
Pass-through
No (bulk only)
Documentation ↗

aisstream.io

aisstream.io
evaluating
MaritimeGeo & Places
License
unknown
Commercial use
verify
Access
websocket · api-key
Freshness
Real-time
Coverage
Global, where receivers exist
Pass-through
No (bulk only)
Documentation ↗

Mobility Database (GTFS catalog)

MobilityData
evaluating
Rail & TransitGeo & Places
License
varies
Commercial use
verify
Access
rest, bulk-file · registration
Freshness
Per agency (realtime feeds: seconds)
Coverage
Global transit agencies
Pass-through
Yes

Each agency feed has its own license.

Documentation ↗

EIA Open Data API

US Energy Information Administration
approved
Energy & UtilitiesEconomic Statistics
License
public-domain
Commercial use
yes
Access
rest · api-key
Freshness
Hourly–monthly
Coverage
US
Pass-through
Yes
Documentation ↗

USDA FoodData Central

US Department of Agriculture
candidate
Agriculture & Food
License
CC0-1.0
Commercial use
yes
Access
rest, bulk-file · api-key
Freshness
Periodic
Coverage
US foods
Pass-through
Yes
Documentation ↗

Open Food Facts

Open Food Facts
live
Agriculture & FoodRetail & E-commerce
License
ODbL-1.0
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Continuous
Coverage
Global products
Pass-through
Yes

“Data © Open Food Facts contributors, ODbL”

Documentation ↗

MusicBrainz

MetaBrainz Foundation
live
Entertainment
License
CC0-1.0
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Continuous
Coverage
Global music
Pass-through
Yes
Rate limit
1 req/s

Throttled to 1 req/s server-side; responses micro-cached.

Documentation ↗

TMDB

The Movie Database
evaluating
Entertainment
License
commercial-license
Commercial use
with-license
Access
rest · api-key
Freshness
Continuous
Coverage
Global film & TV
Pass-through
Yes
Documentation ↗

USAJOBS API

US Office of Personnel Management
candidate
Jobs & Labor
License
public-domain
Commercial use
verify
Access
rest · api-key
Freshness
Daily
Coverage
US federal jobs
Pass-through
Yes
Documentation ↗

NASA Open APIs

NASA
candidate
Science & Space
License
public-domain
Commercial use
yes
Access
rest · api-key
Freshness
Varies
Coverage
Global
Pass-through
Yes
Documentation ↗

NOAA Space Weather Prediction Center

NOAA
live
Science & SpaceAviationNatural Hazards
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Minutes
Coverage
Global
Pass-through
Yes

“Data: NOAA Space Weather Prediction Center”

Documentation ↗

OpenAQ

OpenAQ
evaluating
EnvironmentWeather & Climate
License
varies
Commercial use
verify
Access
rest · api-key
Freshness
Hourly
Coverage
Global stations
Pass-through
Yes
Documentation ↗

National Weather Service API

NOAA / NWS
live
Weather & ClimateNatural Hazards
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Minutes–hourly
Coverage
US
Pass-through
Yes
Rate limit
Unpublished. User-Agent required.
Documentation ↗

ECMWF Open Data

ECMWF
candidate
Weather & Climate
License
CC-BY-4.0
Commercial use
yes
Access
bulk-file · none
Freshness
4× daily model runs
Coverage
Global
Pass-through
No (bulk only)

“Contains ECMWF data, CC BY 4.0”

Documentation ↗

Open-Meteo

Open-Meteo
live
Weather & Climate
License
CC-BY-4.0
Commercial use
with-license
Access
rest · none
Freshness
Hourly
Coverage
Global
Pass-through
Yes

Commercial use requires a paid plan.

Documentation ↗

GeoNames

GeoNames
candidate
Geo & Places
License
CC-BY-4.0
Commercial use
yes
Access
rest, bulk-file · registration
Freshness
Daily
Coverage
Global (~12M places)
Pass-through
No (bulk only)

“Data © GeoNames, CC BY 4.0”

The free web service has low credits. Use the dumps.

Documentation ↗

Natural Earth

Natural Earth
candidate
Geo & Places
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Yearly
Coverage
Global boundaries
Pass-through
No (bulk only)
Documentation ↗

OpenStreetMap

OpenStreetMap Foundation
live
Geo & Places
License
ODbL-1.0
Commercial use
yes
Access
bulk-file, rest · none
Freshness
Minutes (diffs)
Coverage
Global
Pass-through
No (bulk only)

“© OpenStreetMap contributors”

The public Nominatim/Overpass usage policies forbid heavy use. Self-host for pass-through.

Documentation ↗

IANA Time Zone Database

IANA
live
Time & Calendars
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Few releases a year
Coverage
Global
Pass-through
No (bulk only)
Documentation ↗

Nager.Date public holidays

Nager
live
Time & Calendars
License
unknown
Commercial use
verify
Access
rest · none
Freshness
Yearly
Coverage
100+ countries
Pass-through
Yes
Documentation ↗

ECB euro reference rates

European Central Bank
live
Finance & MarketsCurrency & FX
License
free-with-attribution
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Daily ~16:00 CET
Coverage
~30 currencies vs EUR
Pass-through
Yes

“Source: European Central Bank”

Documentation ↗

World Bank Indicators API

World Bank
live
Economic Statistics
License
CC-BY-4.0
Commercial use
yes
Access
rest · none
Freshness
Yearly/quarterly
Coverage
Global
Pass-through
Yes

“Source: World Bank, CC BY 4.0”

Documentation ↗

BLS Public Data API

US Bureau of Labor Statistics
live
Jobs & LaborEconomic Statistics
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Monthly
Coverage
US
Pass-through
Yes
Rate limit
v1 (keyless): 25 queries/day, so cached 12 h
Documentation ↗

GLEIF LEI API

Global Legal Entity Identifier Foundation
live
Finance & MarketsOrganizations & IDsStandards & Codes
License
CC0-1.0
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Daily
Coverage
Global (~2.5M entities)
Pass-through
Yes
Documentation ↗

UK Companies House API

Companies House
candidate
Organizations & IDs
License
OGL-UK-3.0
Commercial use
yes
Access
rest, bulk-file · api-key
Freshness
Real-time
Coverage
UK companies
Pass-through
Yes
Rate limit
600 req / 5 min

“Contains public sector information licensed under the Open Government Licence v3.0”

Documentation ↗

Wikidata

Wikimedia Foundation
live
EntertainmentAviationOrganizations & IDsStandards & CodesGeo & Places
License
CC0-1.0
Commercial use
yes
Access
rest, bulk-file · none
Freshness
Continuous
Coverage
Global
Pass-through
No (bulk only)

SPARQL endpoint is too slow for pass-through.

Documentation ↗

GDELT Project

GDELT Project
live
News & Media
License
free-with-attribution
Commercial use
verify
Access
rest, bulk-file · none
Freshness
15 min
Coverage
Global news
Pass-through
Yes
Rate limit
1 request / 5 s per IP; throttles aggressively

“Source: The GDELT Project”

GDELT rate-limits by IP and was returning 429 during testing; endpoints return 503 + Retry-After when throttled. Consider GDELT BigQuery/bulk files for production volume.

Documentation ↗

USGS Earthquake feeds

US Geological Survey
live
Natural HazardsGeo & Places
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
1 min
Coverage
Global
Pass-through
Yes
Documentation ↗

NASA FIRMS active fires

NASA
candidate
EnvironmentNatural Hazards
License
free-with-attribution
Commercial use
yes
Access
rest · api-key
Freshness
~3 hours
Coverage
Global
Pass-through
Yes

“NASA FIRMS”

Documentation ↗

FuelEconomy.gov Web Services

US DOE / EPA
live
AutomotiveEnergy & Utilities
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Each model year
Coverage
US vehicles 1984–present
Pass-through
Yes
Documentation ↗

Carbon Intensity API

National Energy System Operator (GB)
live
Energy & UtilitiesEnvironment
License
CC-BY-4.0
Commercial use
yes
Access
rest · none
Freshness
30 min
Coverage
Great Britain (14 regions)
Pass-through
Yes

“Carbon Intensity API, NESO, CC BY 4.0”

Documentation ↗

NASA EONET

NASA Earth Observatory
live
EnvironmentNatural Hazards
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Hourly–daily
Coverage
Global natural events
Pass-through
Yes
Documentation ↗

Daily Treasury Par Yield Curve

US Department of the Treasury
live
Finance & MarketsEconomic Statistics
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Daily (~18:00 ET)
Coverage
US Treasuries 1 mo–30 yr
Pass-through
No (bulk only)

CSV endpoint can take 15 s+, so it is cached 6 h in memory.

Documentation ↗

Remotive Remote Jobs API

Remotive
live
Jobs & Labor
License
free-with-attribution
Commercial use
verify
Access
rest · none
Freshness
Hourly
Coverage
Global remote jobs
Pass-through
Yes
Rate limit
Max ~4 calls/day recommended

“Jobs via Remotive (remotive.com); link back to each job URL”

Terms require linking back to Remotive and discourage high-frequency polling, so cached 1 h.

Documentation ↗

NOAA CO-OPS Tides & Currents API

NOAA
live
MaritimeWeather & Climate
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
6 min (observations)
Coverage
US coasts & Great Lakes (~300 water-level stations)
Pass-through
Yes
Documentation ↗

NOAA National Data Buoy Center

NOAA
live
MaritimeWeather & Climate
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
10–60 min
Coverage
~1,300 buoys and coastal stations
Pass-through
Yes
Documentation ↗

TVmaze API

TVmaze
live
Entertainment
License
CC-BY-SA-4.0
Commercial use
yes
Access
rest · none
Freshness
Continuous
Coverage
Global TV
Pass-through
Yes
Rate limit
20 calls / 10 s

“TV data from TVmaze, CC BY-SA 4.0”

Documentation ↗

Open Library API

Internet Archive
live
Entertainment
License
varies
Commercial use
verify
Access
rest, bulk-file · none
Freshness
Continuous
Coverage
~40M editions
Pass-through
Yes

Catalog data is openly licensed; cover images and some records carry their own terms.

Documentation ↗

Transport for London Unified API

Transport for London
live
Rail & Transit
License
free-with-attribution
Commercial use
yes
Access
rest · none
Freshness
Real-time (~30 s)
Coverage
London tube, bus, rail, DLR, Overground
Pass-through
Yes
Rate limit
Keyless use is rate-limited; register an app key for production

“Powered by TfL Open Data. Contains OS data © Crown copyright and database rights”

Documentation ↗

Swiss public transport API

opendata.ch
live
Rail & Transit
License
free-with-attribution
Commercial use
verify
Access
rest · none
Freshness
Real-time
Coverage
Switzerland (SBB and all operators)
Pass-through
Yes

“Data: transport.opendata.ch / opentransportdata.swiss”

Documentation ↗

FHFA House Price Index

US Federal Housing Finance Agency
live
Real EstateEconomic Statistics
License
public-domain
Commercial use
yes
Access
bulk-file · none
Freshness
Monthly / quarterly
Coverage
US, divisions, states, metros
Pass-through
No (bulk only)

Master CSV (~17 MB) held in memory for 24 h.

Documentation ↗

Freddie Mac Primary Mortgage Market Survey

Freddie Mac
live
Real EstateFinance & MarketsEconomic Statistics
License
free-with-attribution
Commercial use
verify
Access
bulk-file · none
Freshness
Weekly (Thursdays)
Coverage
US 30-yr and 15-yr fixed
Pass-through
No (bulk only)

“Source: Freddie Mac Primary Mortgage Market Survey®”

Documentation ↗

NASA/JPL Solar System Dynamics APIs

NASA Jet Propulsion Laboratory
live
Science & SpaceNatural Hazards
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Daily
Coverage
Near-Earth objects, fireballs
Pass-through
Yes
Documentation ↗

Where the ISS at?

wheretheiss.at
live
Science & Space
License
unknown
Commercial use
verify
Access
rest · none
Freshness
Real-time
Coverage
ISS
Pass-through
Yes
Rate limit
~1 req/s
Documentation ↗

Jolpica F1 API (Ergast-compatible)

Jolpica
live
Sports
License
unknown
Commercial use
verify
Access
rest · none
Freshness
After each session
Coverage
Formula 1, 1950–present
Pass-through
Yes
Rate limit
4 req/s, 500 req/h
Documentation ↗

OpenLigaDB

OpenLigaDB community
live
Sports
License
unknown
Commercial use
verify
Access
rest · none
Freshness
Live during matches
Coverage
Bundesliga and other German leagues
Pass-through
Yes
Documentation ↗

Hacker News API

Y Combinator
live
News & Media
License
unknown
Commercial use
verify
Access
rest · none
Freshness
Real-time
Coverage
news.ycombinator.com
Pass-through
Yes
Documentation ↗

HN Search API (Algolia)

Algolia / Y Combinator
live
News & Media
License
unknown
Commercial use
verify
Access
rest · none
Freshness
Real-time
Coverage
All Hacker News stories since 2007
Pass-through
Yes
Rate limit
10,000 req/h per IP
Documentation ↗

Frankfurter (ECB reference rates)

Frankfurter / European Central Bank
live
Finance & MarketsCurrency & FX
License
free-with-attribution
Commercial use
yes
Access
rest · none
Freshness
Daily ~16:00 CET
Coverage
~30 currencies, 1999–present
Pass-through
Yes

“Exchange rates: European Central Bank, via Frankfurter”

Documentation ↗

GDACS disaster alerts

European Commission JRC / UN OCHA
live
Natural Hazards
License
free-with-attribution
Commercial use
verify
Access
rest, rss · none
Freshness
Minutes
Coverage
Global earthquakes, cyclones, floods, volcanoes, droughts, wildfires
Pass-through
Yes

“Source: GDACS (gdacs.org)”

Documentation ↗

FDIC BankFind Suite API

US Federal Deposit Insurance Corporation
live
Finance & MarketsOrganizations & IDs
License
public-domain
Commercial use
yes
Access
rest · none
Freshness
Quarterly (call reports); daily (institution changes)
Coverage
All US FDIC-insured banks, branches and failures
Pass-through
Yes
Documentation ↗

ECB Data Portal API

European Central Bank
live
Finance & MarketsEconomic StatisticsCurrency & FX
License
free-with-attribution
Commercial use
yes
Access
rest · none
Freshness
Daily ~16:00 CET
Coverage
Euro area: FX reference rates, policy rates, yields, monetary stats
Pass-through
Yes

“Source: European Central Bank”

Documentation ↗

OpenFIGI

Bloomberg / Object Management Group
live
Finance & MarketsOrganizations & IDsStandards & Codes
License
free-with-attribution
Commercial use
verify
Access
rest · none
Freshness
Continuous
Coverage
Global securities — ISIN/CUSIP/SEDOL/ticker → FIGI
Pass-through
Yes
Rate limit
~25 requests/min without a key

“Security identifiers via OpenFIGI (openfigi.com)”

Keyless mapping endpoint; a free API key raises the rate limit. Terms permit mapping use; verify for redistribution.

Documentation ↗