# API_KEY Authentication — Danish Systems for AI Agents

23 Danish systems with api_key authentication requirements.

### [CVR Data Parser & Replicator](/cvrdata-parser.md)
- **Category**: cli
- **Access**: direct
- **Reliability**: stable
- **Description**: Python CLI to parse and stream the official CVR register into local SQL databases.

### [CVR — Business Registry API](/cvr-api.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Central Business Register API giving machine access to all Danish companies, CVR numbers, ownership, and industry codes.

### [DMI NWP Download CLI](/dmi-nwp-download.md)
- **Category**: cli
- **Access**: direct
- **Reliability**: stable
- **Description**: Official DMI command-line tool for downloading Numerical Weather Prediction GRIB data.

### [DMI Open Data APIs](/dmi-open-data.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Meteorological, climate, ocean, radar, and lightning observation REST and OGC APIs.

### [Datafordeler](/datafordeler.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: The Danish national data platform providing official authoritative data on addresses, buildings, persons, and geography.

### [Dataforsyningen](/dataforsyningen.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Klimadatastyrelsen's platform for free Danish geodata, WMS/WFS map services, elevation models, and aerial imagery.

### [Dinero Backup CLI](/dinero-backup.md)
- **Category**: cli
- **Access**: direct
- **Reliability**: stable
- **Description**: Open-source Go CLI tool for backing up vouchers, invoices, and accounting records from Visma Dinero.

### [Eloverblik Utilities CLI](/eloverblik-utilities.md)
- **Category**: cli
- **Access**: direct
- **Reliability**: stable
- **Description**: Python CLI to fetch Danish electricity metering data and emissions from Eloverblik.

### [Grundfast MCP](/grundfast-mcp.md)
- **Category**: mcp
- **Access**: direct
- **Reliability**: stable
- **Description**: MCP server exposing 12 tools for Danish public registers including BBR, Matriklen, DAR addresses, CVR, and elevation data.

### [Krak API (Eniro)](/krak.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Danish local directory and search API for company profiles, phone numbers, person lookup, and maps.

### [Maersk Developer Platform](/maersk.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Global ocean, air, and inland logistics APIs for container tracking, vessel schedules, and freight booking.

### [MitID Erhverv — Identity & Certificate APIs](/mitid-erhverv.md)
- **Category**: api
- **Access**: restricted
- **Reliability**: stable
- **Description**: IdM and Certificate APIs for managing organizational identities, users, and certificates in MitID Erhverv.

### [Penneo Sign API](/penneo-api.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Digital signature, KYC onboarding, and legally binding document workflow REST API.

### [Pleo Developer API](/pleo-api.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: REST API for smart corporate credit card expense management and automated bookkeeping sync.

### [Rejseplanen](/rejseplanen.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Danish public transport journey planner API covering all buses, trains, metro, and harbour buses nationwide.

### [Salling Group Developer API](/salling-group-api.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: Retail REST API for food waste discounts, store locations, and assortment across Netto, Føtex, and Bilka.

### [Saxo Bank OpenAPI](/saxo-openapi.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: REST and streaming WebSocket APIs for multi-asset trading, portfolio data, and real-time market quotes.

### [Trafikinfo — Vejdirektoratet](/trafikinfo.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: The Danish Road Directorate API for real-time traffic data, road conditions, and incidents.

### [UniteApps CVR API](/uniteapps-cvr.md)
- **Category**: api
- **Access**: direct
- **Reliability**: unknown
- **Description**: API for Danish CVR searches, financials, ownership, roles, and address screening.

### [Vipps MobilePay Developer](/vipps-mobilepay.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: REST API family for mobile payments, recurring subscriptions, point-of-sale, and user login.

### [Virk.dk — Government Business Portal](/virk-dk.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: The Danish government's business portal with APIs for CVR data, annual reports, and company filings.

### [Visma Dinero API](/dinero-api.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: REST API for Danish SME cloud accounting, invoicing, contacts, and purchase voucher bookkeeping.

### [Visma e-conomic APIs](/e-conomic.md)
- **Category**: api
- **Access**: direct
- **Reliability**: stable
- **Description**: REST and SOAP accounting APIs for Danish small and medium enterprises.