Showing 37–72 of 194 source routes
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Rechtspraak.nl Open Data (court decisions) implementation: tested De Rechtspraak
Docs Access
Web / documentation
Country/region
Netherlands
Geography
2 registered levels
License, freshness, and coverage vary by dataset.
Wikidata SPARQL implementation: tested Wikimedia Foundation
Docs Access
Web / documentation
Geography
1 registered level
License, freshness, and coverage vary by dataset.
Wikipedia REST API implementation: tested Wikimedia Foundation
Docs Geography
1 registered level
License, freshness, and coverage vary by dataset.
OpenStreetMap (Overpass API) implementation: tested OpenStreetMap contributors
Docs Geography
2 registered levels
License, freshness, and coverage vary by dataset.
KNMI Daily Observations implementation: tested Koninklijk Nederlands Meteorologisch Instituut
Docs Access
Web / documentation
Country/region
Netherlands
Geography
1 registered level
License, freshness, and coverage vary by dataset.
Dutch Policy Research Institutes via data.overheid.nl implementation: tested Diverse planbureaus
Docs Access
Web / documentation
Country/region
Netherlands
Geography
3 registered levels
License, freshness, and coverage vary by dataset.
Dutch Electoral Council Results implementation: tested Kiesraad / data.overheid.nl
Docs Access
Web / documentation
Country/region
Netherlands
Geography
3 registered levels
License
CC0 / Public Domain
License, freshness, and coverage vary by dataset.
TenderNed (public procurement platform) implementation: tested PIANOo / Ministerie van EZK
Docs Access
Web / documentation
Country/region
Netherlands
Geography
3 registered levels
License, freshness, and coverage vary by dataset.
TED — Tenders Electronic Daily (EU) implementation: tested Publications Office of the European Union
Docs Country/region
European Union
Geography
2 registered levels
License, freshness, and coverage vary by dataset.
RDW Open Data (vehicle registrations) implementation: tested Dienst Wegverkeer (RDW)
Docs Access
Web / documentation
Country/region
Netherlands
Geography
1 registered level
License, freshness, and coverage vary by dataset.
RIVM open data + GeoServer implementation: tested RIVM
Docs Country/region
Netherlands
Geography
4 registered levels
Measurements, model outputs, and map layers must not be treated as the same type of evidence.
PBL Regional Climate Monitor implementation: requires-api-key PBL Planbureau voor de Leefomgeving / ABF Research / RVO
Docs Access
Web / documentation
Country/region
Netherlands
Geography
5 registered levels
Update
annual (most indicators)
License
Vrij herbruikbaar mits bronvermelding (ODS gebruiksvoorwaarden)
License, freshness, and coverage vary by dataset.
RWS MATROOS time series (water level / wind / discharge) implementation: tested Rijkswaterstaat
Docs Access
Web / documentation
Country/region
Netherlands
Geography
3 registered levels
Update
10-min observations
License, freshness, and coverage vary by dataset.
Kadaster Knowledge Graph (KKG) SPARQL implementation: tested Kadaster Labs
Docs Country/region
Netherlands
Geography
5 registered levels
Update
varies (experimental Labs endpoint)
License, freshness, and coverage vary by dataset.
arXiv preprints implementation: tested Cornell University Library
Docs Access
Web / documentation
Geography
1 registered level
License
varies per paper (mostly CC-BY)
License, freshness, and coverage vary by dataset.
Europe PMC (biomedical) implementation: tested EMBL-EBI / Europe PMC consortium
Docs Access
Web / documentation
Geography
1 registered level
License, freshness, and coverage vary by dataset.
OpenAIRE — EU open research implementation: tested OpenAIRE consortium
Docs Country/region
European Union
Geography
2 registered levels
License, freshness, and coverage vary by dataset.
Semantic Scholar (academic search + recommendations) implementation: tested Allen Institute for AI
Docs Geography
1 registered level
License, freshness, and coverage vary by dataset.
Google Scholar via SerpAPI implementation: requires-api-credentials SerpAPI
Docs Geography
1 registered level
License
SerpAPI terms; underlying publication licenses vary
Google Scholar has no official public API; execution depends on SerpAPI. Queries are unavailable until SERPAPI_API_KEY is configured.
European Central Bank (SDMX statistics) implementation: tested European Central Bank
Docs Country/region
European Union
Geography
2 registered levels
License, freshness, and coverage vary by dataset.
Netherlands Court of Audit Reports implementation: tested Algemene Rekenkamer
Docs Access
Web / documentation
Country/region
Netherlands
Geography
1 registered level
License, freshness, and coverage vary by dataset.
CBS Open Data v4 (modern OData) implementation: tested Centraal Bureau voor de Statistiek
Docs Country/region
Netherlands
Geography
5 registered levels
License, freshness, and coverage vary by dataset.
Dutch National Georegister (CSW catalog) implementation: tested Geonovum / PDOK
Docs Access
Web / documentation
Country/region
Netherlands
Geography
1 registered level
Update
continuous (federation)
License
varies per dataset
License, freshness, and coverage vary by dataset.
OpenOV GTFS — NL public transport timetables implementation: tested Stichting OpenGeo / NDOV
Docs Country/region
Netherlands
Geography
3 registered levels
Update
daily static + real-time feeds
License, freshness, and coverage vary by dataset.
RCE Linked Open Data (cultural heritage) implementation: tested Rijksdienst voor het Cultureel Erfgoed
Docs Access
Web / documentation
Country/region
Netherlands
Geography
4 registered levels
License, freshness, and coverage vary by dataset.
Our World in Data implementation: tested Our World in Data
Docs Access
Web / documentation
Geography
1 registered level
License, freshness, and coverage vary by dataset.
Natural Earth (world country boundaries) implementation: tested Natural Earth / nvkelso GitHub mirror
Docs Access
Web / documentation
Geography
1 registered level
License, freshness, and coverage vary by dataset.
geoBoundaries gbOpen (global administrative boundaries) implementation: tested William & Mary geoLab
Docs Geography
6 registered levels
Update
per-country releases
License
CC BY 4.0 (gbOpen)
Country and administrative-level availability varies; inspect metadata before use. The represented year and source boundary must be read from each country-level release.
Eurostat GISCO — NUTS boundaries implementation: tested European Commission / Eurostat GISCO
Docs Access
Web / documentation
Country/region
European Union
Geography
4 registered levels
Update
every 3 years (next major: 2024)
License
Free reuse with attribution (© EuroGeographics)
License, freshness, and coverage vary by dataset.
US Census Cartographic Boundary files implementation: tested US Census Bureau
Docs Access
Web / documentation
Country/region
United States
Geography
3 registered levels
License, freshness, and coverage vary by dataset.
US Census American Community Survey (ACS) 5-year implementation: tested US Census Bureau
Docs Access
Web / documentation
Country/region
United States
Geography
3 registered levels
Update
annual (5-year rolling)
License, freshness, and coverage vary by dataset.
ONS Open Geography + Beta statistics API (UK) implementation: tested UK Office for National Statistics
Docs Access
Web / documentation
Country/region
United Kingdom
Geography
8 registered levels
Update
annual boundaries (Dec 2024 vintage); rolling stats
License, freshness, and coverage vary by dataset.
Statistics Canada (WDS API + Cartographic Boundaries) implementation: tested Statistics Canada
Docs Access
Web / documentation
Geography
4 registered levels
Update
varies per cube (monthly to annual)
License
Open Government Licence — Canada
License, freshness, and coverage vary by dataset.
OECD Data Explorer (current SDMX API) implementation: tested OECD
Docs Access
Web / documentation
Geography
1 registered level
Update
varies per dataset (monthly to annual)
License
OECD terms (mostly free reuse)
License, freshness, and coverage vary by dataset.
CEPII BACI — reconciled bilateral trade implementation: tested CEPII (Centre d'Études Prospectives et d'Informations Internationales)
Docs Access
Web / documentation
Geography
1 registered level
Update
annual (latest v202601 = January 2026)
License, freshness, and coverage vary by dataset.
IMF DataMapper (WEO macroeconomic indicators + projections) implementation: tested International Monetary Fund
Docs Access
Web / documentation
Geography
1 registered level
Update
biannual (WEO April + October)
License
Free reuse with attribution
License, freshness, and coverage vary by dataset.