Datafordeler

Datafordeleren (datafordeler.dk) is the Danish public sector's shared data distribution platform, operated by Klimadatastyrelsen, that distributes the national basic data registers (grunddata) - addresses (DAR), buildings and housing (BBR), the cadastre (MAT), property valuation (VUR), ownership (EJF), persons (CPR), companies (CVR), GeoDanmark maps, orthophotos and administrative geography (DAGI). Data is delivered through GraphQL, REST web services, OGC WMS/WFS/WCS/WMTS services, event subscriptions (push/pull hændelser), file download and file extracts, with anonymous, known and approved access levels.

Datafordeler is listed with 3 APIs on the APIs.io network. Tagged areas include Company, Government, Open Data, Denmark, and Geospatial.

Datafordeler’s developer surface includes sandbox, authentication, documentation, getting-started guide, support, signup flow, and 10 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

25.6/100 emerging Agent 9/100 agent aware Heartbeat 0/100 dormant Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

3 APIs

Company Government Open Data Denmark Geospatial Addresses Property Registers GraphQL OGC

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 25.6/100 · emerging

Contract Quality 1.4 / 21

Developer Ergonomics 9.3 / 17

Access Clarity 4.7 / 17

Operational Transparency 0.5 / 11

Contract Governance 0.0 / 10

Discoverability 5.8 / 9

Regulatory Posture 2.1 / 15

Agent readiness — 9/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Government & Public Sector regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →

9 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 6.5 — up to +23.4 composite points Ask about this →
Access Clarity scores 27.7 — up to +14.5 composite points Ask about this →
Operational Transparency scores 4.8 — up to +12.4 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/datafordeler-dk/apis.yml: open an issue on github.com/api-evangelist/datafordeler-dk to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

Datafordeler GraphQL

GraphQL access to the Danish basic data registers on Datafordeleren; schemas can be fetched and queries built via the Dataoversigt. Requires a registered service user (tjenesteb...

Datafordeler Web Services (REST, WMS, WFS, WCS, WMTS)

Register web services on Datafordeleren: REST services and OGC map services (WMS, WFS, WCS, WMTS) built on international XML and OpenGIS standards. REST/self-service on the lega...

Datafordeler Events (Hændelser)

Subscriptions to change-event messages generated by Datafordeleren about register data changes, delivered via PUSH or fetched via PULL.

Datafordeler API pricing

Pricing Plans 1

Published pricing tiers and plan structures.

Datafordeler Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Datafordeler Rate Limits

0 limits

RATE LIMITS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Datafordeler Authentication

4 schemes

SECURITY

Datafordeler Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

Sandbox

DeveloperPortal

GettingStarted

SignUp

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Lifecycle

Lifecycle

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

SLA

SLA

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

Hosts

Hosts

Source (apis.yml)

aid: datafordeler-dk
name: Datafordeler
description: Datafordeleren (datafordeler.dk) is the Danish public sector's shared data distribution platform, operated by
  Klimadatastyrelsen, that distributes the national basic data registers (grunddata) - addresses (DAR), buildings and housing
  (BBR), the cadastre (MAT), property valuation (VUR), ownership (EJF), persons (CPR), companies (CVR), GeoDanmark maps, orthophotos
  and administrative geography (DAGI). Data is delivered through GraphQL, REST web services, OGC WMS/WFS/WCS/WMTS services,
  event subscriptions (push/pull hændelser), file download and file extracts, with anonymous, known and approved access levels.
url: https://artifacts.apis.io/datafordeler-dk/apis.yml
x-type: company
x-source: harvest:eu-gov-keynote-2026-11-10
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-11 (local-v6; was harvest)
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  probe_state: gated
  source:
  - authentication
  - security
  - sandbox
  generated: '2026-11-13'
  method: derived
specificationVersion: '0.20'
created: '2026-11-11'
modified: '2026-11-11'
tags:
- Company
- Government
- Open Data
- Denmark
- Geospatial
- Addresses
- Property
- Registers
- GraphQL
- OGC
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Conventions
  url: conventions/datafordeler-dk-conventions.yml
- type: Sandbox
  url: sandbox/datafordeler-dk-sandbox.yml
- type: Authentication
  url: authentication/datafordeler-dk-authentication.yml
- type: Lifecycle
  url: lifecycle/datafordeler-dk-lifecycle.yml
- type: Hosts
  url: hosts/datafordeler-dk-hosts.yml
- type: Website
  url: https://datafordeler.dk
- type: DomainSecurity
  url: security/datafordeler-dk-domain-security.yml
- type: DeveloperPortal
  url: https://portal.datafordeler.dk/
- type: Documentation
  url: https://datafordeler.dk/dokumentation/
- type: GettingStarted
  url: https://datafordeler.dk/vejledning/
- type: Support
  url: https://datafordeler.dk/support/
- type: TermsOfService
  url: https://datafordeler.dk/vejledning/brugervilkaar/
- type: PrivacyPolicy
  url: https://datafordeler.dk/vejledning/om-datafordeleren/persondatapolitik/
- type: SLA
  url: https://datafordeler.dk/vejledning/servicedeklaration/
- type: GitHubOrganization
  url: https://github.com/DAF-kodeeksempler
- type: SignUp
  url: https://datafordeler.dk/vejledning/brugeradgang/brugeroprettelse/
apis:
- aid: datafordeler-dk:graphql
  name: Datafordeler GraphQL
  description: GraphQL access to the Danish basic data registers on Datafordeleren; schemas can be fetched and queries built
    via the Dataoversigt. Requires a registered service user (tjenestebruger).
  humanURL: https://datafordeler.dk/vejledning/tjenester/
  baseURL: https://graphql.datafordeler.dk
  tags:
  - GraphQL
  - Registers
  properties:
  - type: Documentation
    url: https://datafordeler.dk/vejledning/tjenester/
  - type: Documentation
    url: https://confluence.sdfi.dk/x/CACi
- aid: datafordeler-dk:web-services
  name: Datafordeler Web Services (REST, WMS, WFS, WCS, WMTS)
  description: 'Register web services on Datafordeleren: REST services and OGC map services (WMS, WFS, WCS, WMTS) built on
    international XML and OpenGIS standards. REST/self-service on the legacy platform is announced for phase-out at the end
    of 2026.'
  humanURL: https://datafordeler.dk/vejledning/tjenester/hent-data/
  baseURL: https://services.datafordeler.dk
  tags:
  - REST
  - OGC
  - WMS
  - WFS
  - Geospatial
  properties:
  - type: Documentation
    url: https://datafordeler.dk/vejledning/tjenester/hent-data/
  - type: Documentation
    url: https://datafordeler.dk/vejledning/tjenester/geodata/
  - type: CodeExamples
    url: https://github.com/DAF-kodeeksempler
- aid: datafordeler-dk:events
  name: Datafordeler Events (Hændelser)
  description: Subscriptions to change-event messages generated by Datafordeleren about register data changes, delivered via
    PUSH or fetched via PULL.
  humanURL: https://datafordeler.dk/vejledning/tjenester/
  baseURL: https://services.datafordeler.dk
  tags:
  - Event
  - Webhook
  tags_raw:
  - Events
  - Webhooks
  properties:
  - type: Documentation
    url: https://datafordeler.dk/vejledning/tjenester/
x-coverage:
  state: gated
  reason: auth-required
  detail: Datafordeler documents GraphQL, REST, OGC and event services publicly, but every machine-readable surface (graphql.datafordeler.dk,
    api.datafordeler.dk) answers 401 without a registered service user, and no OpenAPI or schema is published openly.
  evidence:
  - url: https://graphql.datafordeler.dk/
    status: 401
  - url: https://api.datafordeler.dk/openapi.json
    status: 401
  checked: '2026-11-11'
x-enrichment:
  date: '2026-11-11'
  status: enriched
  artifacts_added: 9
  pass: local-v6

Datafordeler API — frequently asked questions

Does Datafordeler have an API?

Yes. APIs.io lists 3 APIs from Datafordeler, including Datafordeler GraphQL, Datafordeler Web Services (REST, WMS, WFS, WCS, WMTS) and Datafordeler Events (Hændelser).

How do I authenticate with the Datafordeler API?

Datafordeler uses bearer-token authentication (4 schemes). The details are profiled on APIs.io as Datafordeler Authentication.

Is the Datafordeler API ready for AI agents?

Datafordeler has a Kin Score of 25.6 out of 100 (emerging) and an Agent Readiness score of 9.4 (agent-aware), scored by API Evangelist on 2026-11-13.

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