# Teorihold.dk

This site publishes public information about Danish theory lessons and theory course starts for driver's license candidates.
The data is intended for humans, search engines, and AI assistants that need to answer when and where upcoming theory lessons and start lessons are available.

## Public AI endpoints

- Course list: https://teorihold.dk/api/ai/lessons/courses
- Summary: https://teorihold.dk/api/ai/lessons/summary
- Start lessons: https://teorihold.dk/api/ai/lessons/start-lessons
- Sitemap: https://teorihold.dk/sitemap.xml

## Data format

The AI endpoints return JSON with public lesson/course data only:

- id
- title
- lessonNumber
- name
- description
- type
- departmentName
- organizationName
- address
- zip
- city
- start and finish as ISO 8601 timestamps
- Danish display strings for lesson start and finish
- availableSpaces
- bookingUrl
- schema.org Event-compatible fields, location, and offer data

## Booking URLs

Each lesson has a canonical booking URL in this format:

https://teorihold.dk/lektion/{lessonId}

## Privacy and safety

The public AI endpoints do not expose customer bookings, CPR numbers, customer email addresses, customer phone numbers, payment details, API keys, or internal diagnostics.
Use the endpoints for public lesson availability and booking links only.

## Language

Primary user-facing language is Danish (da-DK). JSON field names are stable camelCase English-style names for machine readability.