Open Data Portals (CKAN / DCAT)
Register (data.europa.eu dcat-ap harvest network, dataportals.org) with portal-software deployments (ckan). The Kin Score Market layer reads each provider in its market: who it integrates with, how deep those integrations go, and where the market publishes its own structure. Methodology.
Where this market publishes its structure
- data.europa.eu catalogue registry (data.europa.eu/api/hub/search/catalogues + /catalogues/{id}) machine-readable, 213 catalogues (dcat-ap 91, euodp-legacy 64, geospatial 37, ckan 14, udata 2, socrata 1); 16 linked in-market; EU institutions on europa.eu held as a shared host
- DataPortals.org (Open Knowledge Foundation, dataportals.org/api/data.json) machine-readable, 631 portals (223 Government), 100 with a generator; 59 linked in-market
- CKAN instances register (github.com/ckan/ckan-instances config/instances.json) machine-readable, 199 instances, last commit 2019-03-07 (stale, flagged); 45 linked; deployment edges only
- ckan.org/showcase not machine-readable: marketing showcase page, not a register; not read
- SEMIC DCAT-AP implementations / conformance (interoperable-europe.ec.europa.eu) not machine-readable: no register: the 'SEMIC map' link redirects to the collection home; no DCAT-AP certification list published (2026-10-21)
Own = declares at least one integration itself; covered = visible only because an aggregator, standards body, regulator or partner contract names it; distribution-only = listed only on cloud marketplaces it sells through, a channel reported beside, never counted as its own declared integrations; undeclared = nothing we can read, so no number; declares_compatibility = providers with a `compatible` shape vote, report only (kin, 2026-10-13): never counted as own, never in depth or position.
Taxonomy how this market maps onto apis.io
Derived 2026-10-23 from the 110 providers in this market we could resolve in the catalog. The percentage is the share of those providers carrying each one; it describes the market, not the tag or industry. Tag groups have no page of their own yet, so they are listed unlinked.
| Tags | Open Data 95%, Government Data 77%, Data Catalog 65%, DCAT 63%, CKAN 63%, Open Data Portal 31% |
|---|---|
| Tag groups | Open Data 95%, Government 22% |
| Industries | Government & Public Sector 94%, Data & Analytics 70% |
share of resolved cohort carrying it; tags >=0.20 & >=3 members (max 12, junk dropped), tag_groups >=0.20 (cooccurrence, non-cross-cutting; max 8), industries >=0.20 (max 6), areas >=0.10 (max 6; areas are keyword-matched and sparse), capabilities L1 >=0.20 (max 8); derive-market-taxonomy.py
Leaders by position (provisional)
Provisional: grouped by position, depth compared within a position only. Distribution (cloud marketplaces) and iPaaS bridges are counted beside position, never inside it. Unknown-builder listings are left out of position shares and counted here.
gravity 1 · other companies invest to build on it
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| Transport for NSW Open Data Hub | 51.8 | 16 | 16 / 0 | 0 | 0 | 0 | partner-built 100% |
builds-on 2 · publishes apps on other platforms' stores
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| CMS — Centers for Medicare & Medicaid Services | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | builds-on-platform 100% |
| flatin.pt | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | builds-on-platform 100% |
covered 1 · reached mainly through aggregators
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| Air Quality Programmatic APIs | 9.6 thin | 1 | 0 / 1 | 0 | 0 | 0 | covered 100% |
standard 73 · listed by a voluntary standard's own directory
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| UK Government Open Data | 44.6 | 4 | 0 / 4 | 1 | 0 | 0 | standard 75%, unknown 25% |
| EUMETSAT | 44.1 | 3 | 0 / 3 | 0 | 1 | 0 | standard 67%, distribution 33% |
| data.gov.ie | 42.2 | 3 | 0 / 3 | 1 | 0 | 0 | standard 67%, unknown 33% |
| dati.gov.it | 42.2 | 3 | 0 / 3 | 1 | 0 | 0 | standard 67%, unknown 33% |
| GovData Deutschland | 42.2 | 3 | 0 / 3 | 1 | 0 | 0 | standard 67%, unknown 33% |
| Open Data Minneapolis | 42.2 | 3 | 0 / 3 | 1 | 0 | 0 | standard 67%, unknown 33% |
| NASA | 40.7 | 4 | 0 / 4 | 0 | 0 | 1 | ipaas-bridge 25%, standard 50%, builds-on-platform 25% |
| Greece National Data Portal | 34.5 thin | 2 | 0 / 2 | 0 | 0 | 0 | standard 100% |
| District of Columbia Open Data | 34.5 thin | 2 | 0 / 2 | 0 | 0 | 0 | standard 100% |
| Department of Labor | 34.5 thin | 2 | 0 / 2 | 0 | 0 | 0 | standard 50%, builds-on-platform 50% |
| OpenDataNI (Northern Ireland) | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| datos.gub.uy - Catálogo de Datos Abiertos | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Recife City Open Data | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Dados RS | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Buenos Aires Data | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| DATA GO JP | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Data.gov | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.gov.au Federal | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.gov.hr | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| London Datastore | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| NSW Government Open Data | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.overheid.nl | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.sa.gov.au South Australia | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.zagreb.hr Official Open Data Portal | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Open Data Regione Toscana | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| datos.gob.mx - Sitio oficial de datos abiertos del Gobierno de la República | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| datos.misiones.gov.ar | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| DataVic Victoria | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Montréal, Québec | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Governo Aberto do Estado de São Paulo | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| IATI Registry | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Leeds Data Mill | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Alberta | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Open Government Canada | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| open NRW | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| opendata.gov.je | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Hawaii Open Data Portal | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| OpenData.HRO - Portal für offene Data der Hansestadt Rostock | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| Bienvenido a OpenData UGR | 24.9 thin | 2 | 0 / 2 | 1 | 0 | 0 | standard 50%, unknown 50% |
| data.world | 22.2 | 3 | 0 / 3 | 0 | 0 | 2 | ipaas-bridge 67%, standard 33% |
| Turin Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Montevideo Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Colorado Information Marketplace | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| British Columbia (DataBC) | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| DATA.GOV.HK | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| gov.il | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| data.gov.lv | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Montenegro Open Data (data.gov.me) | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| data.gov.mt (Open Data Malta) | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Official Ukrainian Government Portal | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Neolaiacampus Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Ontario Data Catalogue | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Open Development Cambodia | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| City of Milan Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Rome Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| dati.emilia-romagna.it | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| HealthData.gov | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Kozadat Hungary Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Landgate | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Open Government, Finland | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Open Government, India | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Open Government, Queensland Government | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Open Government, Spain | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| opendata.gov.al (Open Data Albania) | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Paris Open Data | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| opendata.swiss | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Politecnico di Milano | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| UPM YODA Open Data Portal | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Regulations.gov | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| University of Southampton | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| USAspending.gov | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| World Bank | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
| Zenodo | 17.2 thin | 1 | 0 / 1 | 0 | 0 | 0 | standard 100% |
mixed 1 · no single mode dominates
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| OpenStreetMap | 29.3 | 3 | 0 / 3 | 1 | 0 | 0 | standard 33%, covered 33%, unknown 33% |
unknown 17 · every listing has an unknown builder
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| BC Data Catalogue | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Western Australia Data Catalogue | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Fortaleza Dados Abertos | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Portal de Dados Abertos da Cidade de São Paulo | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Queensland Government Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Zurich Open Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Lazio Open Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| South Tyrol Retecivica Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Open Data Trentino | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Portal Datos Abiertos Ayuntamiento de Málaga | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Portal oficial Ayuntamiento de Rivas Vaciamadrid | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Donnees Quebec | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| DOE NETL Energy Data Exchange | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Niagara Open Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| NOAA — National Oceanic and Atmospheric Administration | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Aragón Open Data | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
| Transparency Portal for the City of Karlsruhe, Germany | 7.7 thin | 1 | 0 / 1 | 1 | 0 | 0 | unknown 100% |
undeclared 15 · declares nothing we can read: no number
| Provider | Depth | Integrations | In / out | Unknown builder | Distribution | iPaaS bridge | Mix |
|---|---|---|---|---|---|---|---|
| Bureau of Labor Statistics | undeclared | - | - | - | - | - | |
| British Columbia Data Catalogue | undeclared | - | - | - | - | - | |
| Bureau of Land Management | undeclared | - | - | - | - | - | |
| California Attorney General | undeclared | - | - | - | - | - | |
| Election Assistance Commission | undeclared | - | - | - | - | - | |
| ES·pera API | undeclared | - | - | - | - | - | |
| EU Open Data Portal | undeclared | - | - | - | - | - | |
| Eurostat | undeclared | - | - | - | - | - | |
| FlightFinder | undeclared | - | - | - | - | - | |
| FRED | undeclared | - | - | - | - | - | |
| ingest0r | undeclared | - | - | - | - | - | |
| CMS Open Payments | undeclared | - | - | - | - | - | |
| Opendatasoft | undeclared | - | - | - | - | - | |
| OpenMercantil | undeclared | - | - | - | - | - | |
| US Census Bureau | undeclared | - | - | - | - | - |
Generated 2026-10-24 from API Evangelist's own files; nothing on this page is a model's judgement. Provisional and unweighted; not part of the Kin Score composite or agent readiness. Read the Market layer methodology. Disagree with an edge? Every edge cites its evidence and can be corrected through the normal correction path.