Open Data Portal
Providers using this tag (53)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Emerging 53 Early or largely undocumented
Transport for NSW Open Data Hubopen NRWLondon DatastoreQueensland Government DataAlbertaAragón Open DataBienvenido a OpenData UGRBritish Columbia (DataBC)Buenos Aires DataCity of Milan Open DataCity of San JoseDados abertos Distrito FederalDados Abertos POADados RSdata.gov.iedata.zagreb.hr Official Open Data Portaldati.emilia-romagna.itDatos abiertosdatos.gob.mx - Sitio oficial de datos abiertos del Gobierno de la Repúblicadatos.gub.uy - Catálogo de Datos Abiertosdatos.misiones.gov.arFortaleza Dados Abertosgov.ilGoverno Aberto do Estado de São PauloGreece National Data PortalIATI RegistryLeeds Data MillMontréal, QuébecOfficial Ukrainian Government PortalOklahomaOpen Data Regione ToscanaOpen Data Trentinoopendata.gov.jeOpenData.HRO - Portal für offene Data der Hansestadt RostockPortal Datos Abiertos Ayuntamiento de MálagaPortal de Dados Abertos da Cidade de São PauloPortal de Dados Abertos – Prefeitura de Belo HorizontePortal de Dados Urbanos PPGAU UFF - Open data portal for Urban ResarchPortal oficial Ayuntamiento de Rivas VaciamadridPortale Dati aperti del Comune di MateraRecife City Open DataTransparency Portal for the City of Karlsruhe, GermanyAcre Open DataBahia Blanca Open DataBahia Open DataEthiopia Open DataLeipzig Open DataLiguria Open DataMendoza Open DataMessina Open DataModena Open DataNaples Open DataRondonia Open Data
APIs with this tag (0)
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Score breakdown
Frequency
47.6
log-scaled weighted occurrences
Breadth
1.4
spread across providers
Quality lift
17.9
mean composite of providers using it
Cohesion
37.3
strength of nearest seed neighbor
Related tags
DCAT 53 co-occurrences
CKAN 53 co-occurrences
Government Data 53 co-occurrences
Data Catalog 53 co-occurrences
JSON 53 co-occurrences
Italy 9 co-occurrences
Catalog 53 co-occurrences
Where this tag comes from
Provider tag53
Cohort brief
Auto-generatedThe 53 providers in the APIs.io catalog tagged Open Data Portal, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
53
all scored
Mean Kin Score
14.6
-8.3 vs catalog 22.9
Mean Agent Readiness
2.5
-9.4 vs catalog 11.9
Spread
11.9–16.6
median 15.2 · σ 1.4
How the 53 split by band
Exemplar 0Strong 0Developing 0Thin 0Emerging 53Minimal 0
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Discoverability | 64.2 | 58.1 | +6.1 | 53 |
| Operational Transparency | 15 | 13.7 | +1.3 | 53 |
| Access Clarity | 26.8 | 26.5 | +0.3 | 53 |
| Contract Governance | 0 | 6.3 | -6.3 | 53 |
| Developer Ergonomics | 9.6 | 23.2 | -13.6 | 53 |
| Contract Quality | 0 | 17.6 | -17.6 | 53 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 0% | 14% | -14 |
| MCP server (first-party) | 0% | 12% | -12 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 0% | 11% | -11 |
| Security | 100% | 98% | +2 |
| Arazzo workflows | 0% | 2% | -2 |
| Governance rules | 0% | 14% | -14 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Transport for NSW Open Data Hub 16.6
- 2 open NRW 16.1
- 3 London Datastore 15.7
- 4 Queensland Government Data 15.7
- 5 Alberta 15.2
- 6 Aragón Open Data 15.2
- 7 Bienvenido a OpenData UGR 15.2
- 8 British Columbia (DataBC) 15.2
- 9 Buenos Aires Data 15.2
- 10 City of Milan Open Data 15.2
Top by Agent Readiness
- 1 Transport for NSW Open Data Hub 2.5
- 2 open NRW 2.5
- 3 London Datastore 2.5
- 4 Queensland Government Data 2.5
- 5 Alberta 2.5
- 6 Aragón Open Data 2.5
- 7 Bienvenido a OpenData UGR 2.5
- 8 British Columbia (DataBC) 2.5
- 9 Buenos Aires Data 2.5
- 10 City of Milan Open Data 2.5
All 53 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
5 October 2026, across 29093
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.